Instrument Platform Pair List
Get a list of InstrumentPlaformPair objects. InstrumentPlaformPairs are used within Acquisitions which
enable linking between Instruments, Platforms and Observations (though may be via CompositeProcesses).
GET /api/v3/ipps/?format=api&offset=14300
{ "count": 14355, "next": null, "previous": "https://catalogue.ceda.ac.uk/api/v3/ipps/?format=api&limit=100&offset=14200", "results": [ { "ob_id": 14843, "platform": { "ob_id": 26990, "uuid": "3478f3a96c7e4610a1973a535ee6439e", "short_code": "plat", "title": "Sentinel 3B", "abstract": "Sentinel 3B was launched by the European Space Agency (ESA) to become the third part of the Sentinel series. The satellite was launched on 25th April 2018." }, "instrument": { "ob_id": 19027, "uuid": "5ff900fe22954a91b678eef0af96758c", "short_code": "instr", "title": "Sentinel 3 Ocean and Land Colour Instrument (OLCI)", "abstract": "Ocean and Land Colour Instrument (OLCI) on board the Sentinel 3 satellite." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14844, "platform": { "ob_id": 7813, "uuid": "8ee876e1ea644ed7a81d4e3536133fa0", "short_code": "plat", "title": "European Remote Sensing satellite 2 - ERS-2", "abstract": "ESA's two European Remote Sensing (ERS) satellites, ERS-1 and –2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instruments to measure ocean surface temperature and wind fields.\r\n\r\nERS-2 added an additional sensor for atmospheric ozone monitoring. The two satellites acquired a combined data set extending over two decades.\r\n\r\nThe ERS-2 satellite was retired on 05 September 2011." }, "instrument": { "ob_id": 30024, "uuid": "19bf6bae815c412fa2374e2513d25af5", "short_code": "instr", "title": "RA", "abstract": "The RA (Radar Altimeter) instrument was flown on the ERS-1 and ERS02 satellites. It's a single frequency (13.8 GHz) radar altimeter." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14845, "platform": { "ob_id": 846, "uuid": "47779e22cdc6491a9f7491af866f7080", "short_code": "plat", "title": "Envisat", "abstract": "In March 2002, the European Space Agency launched Envisat, an advanced polar-orbiting Earth observation satellite which provides measurements of the atmosphere, ocean, land, and ice. The Envisat satellite has a payload of 10 instruments that will ensure the continuity of the data measurements of the ESA ERS satellites. Envisat data supports earth science research and allows monitoring of the evolution of environmental and climatic changes.\r\n\r\nLaunch date: 01/03/2002\r\nStatus / projected mission lifetime: Terminated on 08/04/2012\r\nOrbit parameters: 30 km in front of ERS2\r\nNominal altitude: 800 km (same as ERS2, near circular)\r\nOrbit type: near-polar, sun-synchronous\r\nInclination: 98.55 degrees\r\nRepeat period: 35 days\r\nEquatorial crossing time: 10:00 local time (descending node)\r\nSwath width: various\r\nResolution: various" }, "instrument": { "ob_id": 13692, "uuid": "c1015c7477334094ab86ef8a1f6ee3ce", "short_code": "instr", "title": "Radar Altimeter 2 (RA-2)", "abstract": "Radar Altimeter 2 (RA-2) is an instrument for determining the two-way delay of the radar echo from the Earth's surface to a very high precision: less than a nanosecond. It also measures the power and the shape of the reflected radar pulses.\r\n\r\nIt is a nadir-looking pulse-limited radar altimeter based on the heritage of ERS-1 RA functioning at the main nominal frequency of 13.575 GHz (Ku Band), which has been selected as a good compromise between the affordable antenna dimension that provides the necessary gain and the relatively low attenuation which experience the signals propagating through the troposphere." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14846, "platform": { "ob_id": 30018, "uuid": "dc9445f2ebc5410cb39df2984165c52b", "short_code": "plat", "title": "JASON-1", "abstract": "The JASON-1 (Joint Altimetery Satellite Oceanography Network - 1) satellite was the first flight of the JASON series of satellites, with a primary mission to study ocean topography and waves. It flew between December 2001 and July 2013" }, "instrument": { "ob_id": 30019, "uuid": "64d73638c9a14a3fad59d6ae8658fd37", "short_code": "instr", "title": "Poseidon-2", "abstract": "The Poseidon-2 satellite instrument was flown on the JASON-1 satellite. It is a radar altimeter designed to study ocean topography, significant wave height and wind speed." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14847, "platform": { "ob_id": 30020, "uuid": "154dafa0c39d47beb7b1b8f29efa237f", "short_code": "plat", "title": "JASON-2", "abstract": "The JASON-2 (Joint Altimetry Satellite Oceanography Network -2 ) satellite was flown to study ocean topography and waves. It flew between June 2008 and October 2019" }, "instrument": { "ob_id": 30021, "uuid": "57297602ceef42edb983796ce9089963", "short_code": "instr", "title": "Poseidon-3", "abstract": "The Poseidon-3 instrument was flown on the JASON-2 satellite. It is a radar altimeter, designed to study ocean topography, significant wave height and wind speed." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14848, "platform": { "ob_id": 30022, "uuid": "40826d62fbe6438494c543d9284e7c61", "short_code": "plat", "title": "JASON-3", "abstract": "The JASON-3 (Joint Altimetry Satellite Oceanography Network - 3 ) Satellite was launched on Jan 2016. It primary mission is to study ocean topography and waves." }, "instrument": { "ob_id": 30023, "uuid": "fcdd312219c4443985a9a1708867500e", "short_code": "instr", "title": "Poseidon-3B", "abstract": "The Poseidon-3B satellite instrument is flying on the JASON-3 satellite. It is a radar altimeter, designed to study ocean topography, significant wave height and wind speed." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14849, "platform": { "ob_id": 26738, "uuid": "ae4858d28dec45a1805b8de5029e8b88", "short_code": "plat", "title": "SARAL (Satellite with ARGOS and AltiKa)", "abstract": "The SARAL (Satellite with ARGOS and AltiKa) is a French (CNES) / Indian (ISRO) satellite mission primarily focused on observing the oceans." }, "instrument": { "ob_id": 26737, "uuid": "43854b24bec449a7a07eedc63b6b9690", "short_code": "instr", "title": "AltiKa", "abstract": "The Ka-band Altimeter (AltiKa) is flown on the SARAL satellite" }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14850, "platform": { "ob_id": 30014, "uuid": "2e7f841f29304e7986e102cfecda969c", "short_code": "plat", "title": "TOPEX/Poseidon", "abstract": "The TOPEX-Posiedon (Topography Experiment - Positioning,Ocean,Solid Earth, Ice Dynamics, Orbital Navigator) satellite was operated by NASA and CNES, between Aug 1992 and October 2005." }, "instrument": { "ob_id": 30015, "uuid": "66ebb2b90a2c42d2a2e86e9b05e6b0d7", "short_code": "instr", "title": "SSALT", "abstract": "The Single-frequency Solid-state Altimeter (SSALT) was flown on the TOPEX-Poseidon satellite to study ocean topography, significant wave height and wind speed on the sea surface" }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14851, "platform": { "ob_id": 19017, "uuid": "f1fb7621240a45e895acdc686959b516", "short_code": "plat", "title": "Sentinel 3A", "abstract": "Sentinel 3A was launched by the European Space Agency (ESA) to become the third part of the Sentinel series. The satellite was launched on 16th February 2016." }, "instrument": { "ob_id": 19016, "uuid": "e63c04b01a6c4b66af13c4cf0c368cee", "short_code": "instr", "title": "Sentinel 3 Synthetic Aperture Radar Altimeter (SRAL)", "abstract": "Synthetic Aperture Radar Altimeter (SRAL) instrument on board the Sentinel 3 satellite." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14852, "platform": { "ob_id": 26990, "uuid": "3478f3a96c7e4610a1973a535ee6439e", "short_code": "plat", "title": "Sentinel 3B", "abstract": "Sentinel 3B was launched by the European Space Agency (ESA) to become the third part of the Sentinel series. The satellite was launched on 25th April 2018." }, "instrument": { "ob_id": 19016, "uuid": "e63c04b01a6c4b66af13c4cf0c368cee", "short_code": "instr", "title": "Sentinel 3 Synthetic Aperture Radar Altimeter (SRAL)", "abstract": "Synthetic Aperture Radar Altimeter (SRAL) instrument on board the Sentinel 3 satellite." }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14853, "platform": { "ob_id": 41465, "uuid": "ae51e187356a42d5b4e75cf96b3c2710", "short_code": "plat", "title": "Sentinel-6A", "abstract": "The Sentinel-6A satellite misson" }, "instrument": { "ob_id": 41466, "uuid": "1e4e6a00ef6640fea9846489896c2c61", "short_code": "instr", "title": "Poseidon-4", "abstract": "The Poseidon-4 instrument is flown on the Sentinel-6 satellite" }, "relatedTo": { "ob_id": 46240, "uuid": "432fdeb171e94c878083a32869360501", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): combined river discharge product, v2.0", "abstract": "The river discharge data from the combined river discharge product has been derived from data from both multispectral imagers and altimeters" } }, { "ob_id": 14854, "platform": { "ob_id": 8246, "uuid": "e9c4a76ba5b64ede82a20d7d69da47a2", "short_code": "plat", "title": "Landsat 5", "abstract": "A nearly identical satellite to Landsat 4, Landsat 5 was launched as part of the Landsat programme in March 1984 and was operational until June 2013. As Landsat 4, it carried Thematic Mapper (TM) and MultiSpectral Scanner (MSS) instruments." }, "instrument": { "ob_id": 8248, "uuid": "c7d350b1ec99448187607ec46c4ce35e", "short_code": "instr", "title": "Landsat Thematic Mapper (TM)", "abstract": "The Thematic Mapper (TM) is one of the Earth observing sensors introduced in the Landsat program. TMs were placed aboard the Landsat 4 and 5 satellites. The wavelength range for the Thematic Mapper (TM) sensor is from the visible, through the Mid-IR, into the Thermal-IR portion of the electromagnetic spectrum." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14855, "platform": { "ob_id": 8256, "uuid": "385d8284709749b9a29d33c07670c4fd", "short_code": "plat", "title": "Landsat 7", "abstract": "Landsat 7 was launched as a continuation of the Landsat programme on 15th April 1999 and is still operational as of July 2014. A three-axis attitude control subsystem stabilizes the satellite and keeps the instrument pointed toward Earth to within 0.05 degrees. The LANDSAT World-Wide-Reference system catalogues the worlds land mass into 57,784 scenes, each 115 miles (183 kilometres) wide by 106 miles (170 kilometres) long.\r\n\r\nLaunch date: 15/04/1999\r\nStatus/projected mission lifetime: 5 years +\r\nOrbit parameters: near circular\r\nNominal altitude: 705 km\r\nOrbit type:\t near-polar, sun-synchronous\r\nInclination: 98.2 degrees\r\nRepeat period: 16 days\r\nEquatorial crossing time: 10.00 local time (descending node)\r\nSwath width: 183 km\r\nResolution: 15 - 60 m \r\nSpecial features: Panchromatic band, thermal band with 2 gain settings" }, "instrument": { "ob_id": 8257, "uuid": "dfc450e6a1d54b40b8927c7d0de2de21", "short_code": "instr", "title": "Enhanced Thematic Mapper Plus (ETM+)", "abstract": "The Enhanced Thematic Mapper Plus (ETM+) instrument is a fixed 'whisk-broom', eight-band, multispectral scanning radiometer capable of providing high-resolution imaging information of the Earth's surface onboard Landsat 7. The main improvement from the Landsat 4/5 Thematic Mappers (TMs) is the addition of a panchromatic band with 15 m spatial resolution.\r\nSpectral and spatial characteristics of these bands are shown below.\r\n\r\nBand no. 1\r\nSpectral range .450 to .515 micrometres Ground resolution: 30 m\r\nBand no. 2\r\nSpectral range .525 to .605 micrometres Ground resolution: 30 m\r\nBand no. 3\r\nSpectral range .630 to .690 micrometres Ground resolution: 30 m\r\nBand no. 4\r\nSpectral range .775 to .900 micrometres Ground resolution: 30 m\r\nBand no. 5\r\nSpectral range 1.550 to 1.750 micrometres Ground resolution: 30 m\r\nBand no. 6\r\nSpectral range 10.40 to 12.50 micrometres Ground resolution: 60 m\r\nBand no. 7\r\nSpectral range 2.090 to 2.35 micrometres Ground resolution: 30 m\r\nBand no. 8\r\nSpectral range .520 to .900 micrometres Ground resolution: 15 m" }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14856, "platform": { "ob_id": 12358, "uuid": "0ed62573c69a4f8ab46ea898ef0650a1", "short_code": "plat", "title": "Landsat 8", "abstract": "The Landsat 8 satellite was launched on 11th February 2013. It is a joint collaboration between the National Aeronautics and Space Administration (NASA) and the United States Geological Survey (USGS). It was initially named the Landsat Continuity Mission but was later renamed Landsat 8. The Landsat 8 mission provides 16 bit high quality land surface data. It is offset by 8 days from Landsat 7 has a 16 day repeat cycle. The Landsat 8 payload consists of the Operational Land Imager (OLI) and the Thermal Infrared Sensor (TIRS). The OLI provides multispectral data in the visible, near infrared and shortwave infrared as well as a panchromatic band. The TIRS instrument provides data in two thermal infrared bands." }, "instrument": { "ob_id": 43205, "uuid": "f1b4d54cc871486689fb749aeeb59d83", "short_code": "instr", "title": "Operational Land Imager (OLI)", "abstract": "The Operational Land Imager (OLI) is an instrument on board the Landsat 8 and 9 platforms. It provides images of the Earth's surface in the visible, near infrared, shortwave infrared." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14857, "platform": { "ob_id": 43204, "uuid": "6ae5c12b3a02495f86d54ab8184947e4", "short_code": "plat", "title": "Landsat 9", "abstract": "The Landsat 9 satellite was launched in 2021." }, "instrument": { "ob_id": 43205, "uuid": "f1b4d54cc871486689fb749aeeb59d83", "short_code": "instr", "title": "Operational Land Imager (OLI)", "abstract": "The Operational Land Imager (OLI) is an instrument on board the Landsat 8 and 9 platforms. It provides images of the Earth's surface in the visible, near infrared, shortwave infrared." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14858, "platform": { "ob_id": 10906, "uuid": "5a1076bffc8c4c5d8a2ff3a4cfb29846", "short_code": "plat", "title": "Aqua Satellite, part of the Earth Observation System Afternoon Constellation (EOS-PM)", "abstract": "Aqua, launched on 4th April 2002, is a polar-orbiting satellite within the Afternoon Constellation (A-Train) that have equator crossings around 13:30 and 01:30 under NASA's Earth Obseration System (EOS). The satellite carries Atmospheric Infrared Sounder (AIRS), Advanced Microwave Sounding Unit (AMSU-A), Humidity Sounder for Brazil (HSB), Advanced Microwave Scanning Radiometer for EOS (AMSR-E), Moderate-Resolution Imaging Spectroradiometer (MODIS) and Clouds and the Earth's Radiant Energy System (CERES), and these collect data on the Earth's atmospheric conditions, snow and ice, sea surface temperature and ocean productivity, and soil moisture. Aqua was the first member launched of a group of satellites termed the Afternoon Constellation, or sometimes the A-Train." }, "instrument": { "ob_id": 10898, "uuid": "1a661d783a824fe8979faca4b9457fab", "short_code": "instr", "title": "Moderate Resolution Imaging Spectroradiometer (MODIS)", "abstract": "The Moderate Resolution Imaging Spectroradiometer (MODIS) provides high radiometric sensitivity in 36 spectral bands ranging from 0.4 to 14.4 micrometres. Two bands are imaged at a nominal resolution of 250 m at nadir, with five bands at 500 m, and the remaining 29 bands at 1 km. There are two MODIS instruments in operation; one on the Terra satellite and the other on the Aqua satellite, launched in 1999 and 2002 respectively. A +/- 55-degree scanning pattern at the EOS orbit of 705 km, which both satellites are on, results in a 2,330-km swath. Global coverage is provided once every one to two days." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14859, "platform": { "ob_id": 10897, "uuid": "fc7da890b6424fb29bc5aadcda252bf3", "short_code": "plat", "title": "Terra Satellite, part of the Earth Observation System Morning Constellation (EOS-AM)", "abstract": "Terra, launched on 18th December 1999, is a polar-orbiting satellite within the Morning Constellation that have equator crossings around 10:30 and 22:30 under NASA's Earth Obseration System (EOS).\r\n\r\nOn February 24, 2000, Terra began collecting what was aimed to ultimately become a new, 15-year global data set on which to base scientific investigations about our complex home planet. Together with the entire fleet of EOS spacecraft, Terra is helping scientists unravel the mysteries of climate and environmental change.\r\n\r\nThe satellite carries the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER), the Clouds and Earth's Radiant Energy System (CERES), the Measurements of Pollution in the Troposphere (MOPITT), the Moderate Resolution Imaging Spectroradiometer (MODIS) and the Multi-angle Imaging Spectroradiometer (MISR), and these collect data on the Earth's atmosphere, ocean, land, snow and ice, and energy budget." }, "instrument": { "ob_id": 10898, "uuid": "1a661d783a824fe8979faca4b9457fab", "short_code": "instr", "title": "Moderate Resolution Imaging Spectroradiometer (MODIS)", "abstract": "The Moderate Resolution Imaging Spectroradiometer (MODIS) provides high radiometric sensitivity in 36 spectral bands ranging from 0.4 to 14.4 micrometres. Two bands are imaged at a nominal resolution of 250 m at nadir, with five bands at 500 m, and the remaining 29 bands at 1 km. There are two MODIS instruments in operation; one on the Terra satellite and the other on the Aqua satellite, launched in 1999 and 2002 respectively. A +/- 55-degree scanning pattern at the EOS orbit of 705 km, which both satellites are on, results in a 2,330-km swath. Global coverage is provided once every one to two days." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14860, "platform": { "ob_id": 13187, "uuid": "05405d4d4caa47d2889e33b66511fa9b", "short_code": "plat", "title": "Sentinel 2A", "abstract": "Sentinel 2A was launched by the European Space Agency (ESA) to become the second part of the Sentinel series. The satellite was launched on 23rd June 2015." }, "instrument": { "ob_id": 13182, "uuid": "56c6780a9a1d450591dba5b9c848b7c2", "short_code": "instr", "title": "Sentinel 2 Multispectral Instrument (MSI)", "abstract": "Data from the Multispectral Instrument (MSI) on the Sentinel 2 series. Sentinel 2A was launched on 23rd June 2015 and Sentinel 2B was launch in March 2017. The instrument provides high-resolution optical imaging data of the Earth's surface." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14861, "platform": { "ob_id": 25277, "uuid": "0bbb6de9c89b403aba5a2aacf53ec19e", "short_code": "plat", "title": "Sentinel 2B", "abstract": "Sentinel 2B was launched by the European Space Agency (ESA) to become the second part of the Sentinel series alongside Sentinel 2A. The satellite was launched on 7th March 2016." }, "instrument": { "ob_id": 13182, "uuid": "56c6780a9a1d450591dba5b9c848b7c2", "short_code": "instr", "title": "Sentinel 2 Multispectral Instrument (MSI)", "abstract": "Data from the Multispectral Instrument (MSI) on the Sentinel 2 series. Sentinel 2A was launched on 23rd June 2015 and Sentinel 2B was launch in March 2017. The instrument provides high-resolution optical imaging data of the Earth's surface." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14862, "platform": { "ob_id": 19017, "uuid": "f1fb7621240a45e895acdc686959b516", "short_code": "plat", "title": "Sentinel 3A", "abstract": "Sentinel 3A was launched by the European Space Agency (ESA) to become the third part of the Sentinel series. The satellite was launched on 16th February 2016." }, "instrument": { "ob_id": 19027, "uuid": "5ff900fe22954a91b678eef0af96758c", "short_code": "instr", "title": "Sentinel 3 Ocean and Land Colour Instrument (OLCI)", "abstract": "Ocean and Land Colour Instrument (OLCI) on board the Sentinel 3 satellite." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14863, "platform": { "ob_id": 26990, "uuid": "3478f3a96c7e4610a1973a535ee6439e", "short_code": "plat", "title": "Sentinel 3B", "abstract": "Sentinel 3B was launched by the European Space Agency (ESA) to become the third part of the Sentinel series. The satellite was launched on 25th April 2018." }, "instrument": { "ob_id": 19027, "uuid": "5ff900fe22954a91b678eef0af96758c", "short_code": "instr", "title": "Sentinel 3 Ocean and Land Colour Instrument (OLCI)", "abstract": "Ocean and Land Colour Instrument (OLCI) on board the Sentinel 3 satellite." }, "relatedTo": { "ob_id": 46248, "uuid": "8672e511f4f64cf1b13f195483dfd427", "short_code": "acq", "title": "Acquisition process for the ESA River Discharge Climate Change Initiative (RD_cci): Multispectral indices-based River Discharge Product, v2.0", "abstract": "The river discharge time series provided in the ESA River Discharge Climate Change Initiative (RD_cci) product have been computed at different locations from several satellite multispectral missions (Landsat-5, -7, -8, -9, MODIS Aqua, MODIS Terra, Sentinel-3 A/B OLCI, Sentinel-2 MSI). At each location, time series are provided for each available single sensor and then merged in a unique time series." } }, { "ob_id": 14864, "platform": { "ob_id": 39467, "uuid": "a29500b101bc43f2988b58c88512c469", "short_code": "plat", "title": "Manchester Air Quality Supersite (MAQS)", "abstract": "An urban air quality supersites in Manchester, UK equipped with a suite of permanent and visiting instruments to deliver comprehensive, continuous and long-term measurements of atmospheric composition.\r\n\r\nThe site has a WIGOS id: 0-20008-0-MCR. See online documentation for link to station details in the Observing Systems Capability Analysis and Review (OSCAR) Tool." }, "instrument": { "ob_id": 37928, "uuid": "0aefe876aa894908a521f011e8a41515", "short_code": "instr", "title": "MAQS: Palas FIDAS 200 E", "abstract": "Manchester Air Quality Supersite (MAQS) Instrument Serial Number: 9380. This instrument Measures Meteorological Data (Pressure, Temperature and Humidity) and Particulate Matter abundance (PM1, PM2.5, PM 10 and Number Concentration of Ambient Aerosol Particles)" }, "relatedTo": { "ob_id": 46258, "uuid": "2aed8fd0bb454f9893358b8b10adf76e", "short_code": "acq", "title": "NCAS Long Term Measurements: MAQS: Palas FIDAS 200 E instrument deployed at Manchester Air Quality Supersite (MAQS)", "abstract": "NCAS Long Term Measurements: MAQS: Palas FIDAS 200 E instrument deployed at Manchester Air Quality Supersite (MAQS)." } }, { "ob_id": 14865, "platform": { "ob_id": 39467, "uuid": "a29500b101bc43f2988b58c88512c469", "short_code": "plat", "title": "Manchester Air Quality Supersite (MAQS)", "abstract": "An urban air quality supersites in Manchester, UK equipped with a suite of permanent and visiting instruments to deliver comprehensive, continuous and long-term measurements of atmospheric composition.\r\n\r\nThe site has a WIGOS id: 0-20008-0-MCR. See online documentation for link to station details in the Observing Systems Capability Analysis and Review (OSCAR) Tool." }, "instrument": { "ob_id": 37928, "uuid": "0aefe876aa894908a521f011e8a41515", "short_code": "instr", "title": "MAQS: Palas FIDAS 200 E", "abstract": "Manchester Air Quality Supersite (MAQS) Instrument Serial Number: 9380. This instrument Measures Meteorological Data (Pressure, Temperature and Humidity) and Particulate Matter abundance (PM1, PM2.5, PM 10 and Number Concentration of Ambient Aerosol Particles)" }, "relatedTo": { "ob_id": 46261, "uuid": "f51b1be798464240bb95fcfe2450d509", "short_code": "acq", "title": "NCAS Long Term Measurements: MAQS: Palas FIDAS 200 E instrument deployed at Manchester Air Quality Supersite (MAQS)", "abstract": "NCAS Long Term Measurements: MAQS: Palas FIDAS 200 E instrument deployed at Manchester Air Quality Supersite (MAQS)." } }, { "ob_id": 14866, "platform": { "ob_id": 39467, "uuid": "a29500b101bc43f2988b58c88512c469", "short_code": "plat", "title": "Manchester Air Quality Supersite (MAQS)", "abstract": "An urban air quality supersites in Manchester, UK equipped with a suite of permanent and visiting instruments to deliver comprehensive, continuous and long-term measurements of atmospheric composition.\r\n\r\nThe site has a WIGOS id: 0-20008-0-MCR. See online documentation for link to station details in the Observing Systems Capability Analysis and Review (OSCAR) Tool." }, "instrument": { "ob_id": 37986, "uuid": "f3f2176dc872425fb918d561a9efbd53", "short_code": "instr", "title": "MAQS: Thermo 48i Carbon Monoxide Analyser Instrument", "abstract": "The Manchester Air Quality Supersite (MAQS) Thermo Scientific Model 48i Carbon Monoxide (CO) Analyzer utilizes gas filter correlation technology to measures the amount of carbon monoxide in the air." }, "relatedTo": { "ob_id": 46264, "uuid": "b5b59e7ecee24de3a00fb6d0271a42c4", "short_code": "acq", "title": "NCAS Long Term Measurements: MAQS: Thermo 48i Carbon Monoxide Analyser Instrument instrument deployed at Manchester Air Quality Supersite (MAQS)", "abstract": "NCAS Long Term Measurements: MAQS: Thermo 48i Carbon Monoxide Analyser Instrument instrument deployed at Manchester Air Quality Supersite (MAQS)." } }, { "ob_id": 14867, "platform": { "ob_id": 39467, "uuid": "a29500b101bc43f2988b58c88512c469", "short_code": "plat", "title": "Manchester Air Quality Supersite (MAQS)", "abstract": "An urban air quality supersites in Manchester, UK equipped with a suite of permanent and visiting instruments to deliver comprehensive, continuous and long-term measurements of atmospheric composition.\r\n\r\nThe site has a WIGOS id: 0-20008-0-MCR. See online documentation for link to station details in the Observing Systems Capability Analysis and Review (OSCAR) Tool." }, "instrument": { "ob_id": 37991, "uuid": "34f1c8bc7a684617b8559ec7f0a99e48", "short_code": "instr", "title": "MAQS: Thermo Model 49i Ozone Analyzer", "abstract": "Manchester Air Quality Supersite instrument to measure the amount of ozone in ambient air with the dual-cell, UV photometric. Thermo Scientific Model 49i Ozone Analyzer." }, "relatedTo": { "ob_id": 46267, "uuid": "bfd45fd8560c43598363107d97b7344c", "short_code": "acq", "title": "NCAS Long Term Measurements: MAQS: Thermo Model 49i Ozone Analyzer instrument deployed at Manchester Air Quality Supersite (MAQS)", "abstract": "NCAS Long Term Measurements: MAQS: Thermo Model 49i Ozone Analyzer instrument deployed at Manchester Air Quality Supersite (MAQS)." } }, { "ob_id": 14868, "platform": { "ob_id": 39467, "uuid": "a29500b101bc43f2988b58c88512c469", "short_code": "plat", "title": "Manchester Air Quality Supersite (MAQS)", "abstract": "An urban air quality supersites in Manchester, UK equipped with a suite of permanent and visiting instruments to deliver comprehensive, continuous and long-term measurements of atmospheric composition.\r\n\r\nThe site has a WIGOS id: 0-20008-0-MCR. See online documentation for link to station details in the Observing Systems Capability Analysis and Review (OSCAR) Tool." }, "instrument": { "ob_id": 37996, "uuid": "dad23c1d716f47fbb04c4fac4b33526d", "short_code": "instr", "title": "MAQS: Thermo Model 42i-Y NOY Analyzer", "abstract": "Manchester Air Quality Supersite (MAQS) Thermo Scientific Model 42i-Y NOY Analyzer measures the amount of nitrogen oxides in the air from sub-ppb levels up to 1000 ppb using chemiluminescence. The Model 42i-Y is a single chamber, single photomultiplier tube design that measures NOY which includes most oxides of nitrogen with the exception of NH3 and N2O" }, "relatedTo": { "ob_id": 46270, "uuid": "5466e9ca95ef443da3b534ff2e057380", "short_code": "acq", "title": "NCAS Long Term Measurements: MAQS: Thermo Model 42i-Y NOY Analyzer instrument deployed at Manchester Air Quality Supersite (MAQS)", "abstract": "NCAS Long Term Measurements: MAQS: Thermo Model 42i-Y NOY Analyzer instrument deployed at Manchester Air Quality Supersite (MAQS)." } }, { "ob_id": 14869, "platform": { "ob_id": 846, "uuid": "47779e22cdc6491a9f7491af866f7080", "short_code": "plat", "title": "Envisat", "abstract": "In March 2002, the European Space Agency launched Envisat, an advanced polar-orbiting Earth observation satellite which provides measurements of the atmosphere, ocean, land, and ice. The Envisat satellite has a payload of 10 instruments that will ensure the continuity of the data measurements of the ESA ERS satellites. Envisat data supports earth science research and allows monitoring of the evolution of environmental and climatic changes.\r\n\r\nLaunch date: 01/03/2002\r\nStatus / projected mission lifetime: Terminated on 08/04/2012\r\nOrbit parameters: 30 km in front of ERS2\r\nNominal altitude: 800 km (same as ERS2, near circular)\r\nOrbit type: near-polar, sun-synchronous\r\nInclination: 98.55 degrees\r\nRepeat period: 35 days\r\nEquatorial crossing time: 10:00 local time (descending node)\r\nSwath width: various\r\nResolution: various" }, "instrument": { "ob_id": 8029, "uuid": "10c100fc807d4ccf8b5f899c93a279ac", "short_code": "instr", "title": "Envisat - SCIAMACHY", "abstract": "The Scanning Imaging Absorption Spectrometer for Atmospheric Chartography (SCIAMACHY) is one of the ten instruments onboard the Envisat satellite launched from Kourou (French Guyana) on the 28th of February 2002 and operated by the European Space Agency (ESA)." }, "relatedTo": { "ob_id": 46313, "uuid": "f72e63ffcf244686a60326345eb0fa63", "short_code": "acq", "title": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): monthly L3 HCHO from SCIAMACHY, version 2.0", "abstract": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): monthly L3 HCHO from SCIAMACHY, version 2.0" } }, { "ob_id": 14870, "platform": { "ob_id": 7813, "uuid": "8ee876e1ea644ed7a81d4e3536133fa0", "short_code": "plat", "title": "European Remote Sensing satellite 2 - ERS-2", "abstract": "ESA's two European Remote Sensing (ERS) satellites, ERS-1 and –2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instruments to measure ocean surface temperature and wind fields.\r\n\r\nERS-2 added an additional sensor for atmospheric ozone monitoring. The two satellites acquired a combined data set extending over two decades.\r\n\r\nThe ERS-2 satellite was retired on 05 September 2011." }, "instrument": { "ob_id": 45730, "uuid": "e6d3307b80f247f7b43bf0f7a2bc19db", "short_code": "instr", "title": "GOME", "abstract": "http://catalogue.ceda.ac.uk/uuid/c9765f8ac44c51a302df55478b97774e" }, "relatedTo": { "ob_id": 46317, "uuid": "a537339860d548048288d97bbdb3e3c2", "short_code": "acq", "title": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): monthly L3 HCHO from GOME, version 2.0", "abstract": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): monthly L3 HCHO from GOME, version 2.0" } }, { "ob_id": 14871, "platform": { "ob_id": 26439, "uuid": "ea7449d8d5d54deea6d33f1736f72008", "short_code": "plat", "title": "Sentinel 5 Precursor", "abstract": "Sentinel 5P was launched by the European Space Agency (ESA) to become the precursor to Sentinel 5. The satellite was launched on 13th October 2017." }, "instrument": { "ob_id": 26444, "uuid": "4b05aa731b9a4ad0963362b24d1083ae", "short_code": "instr", "title": "TROPOspheric Monitoring Instrument (TROPOMI)", "abstract": "The TROPOspheric Monitoring Instrument (TROPOMI) uses 4 different grating spectrometers covering 8 spectral bands in the range 270-2385 nm. The main aim for this instrument is observing atmospheric chemistry. TROPOMI will be able to detect many species in the atmosphere such as BrO, CH4, ClO, CO, CO2, H2O, HCHO, N2O, NO, NO2, NO3, O2, O3, O4, OClO, SO2 and aerosol. It scans using a push-broom technique with a swath of 2600km." }, "relatedTo": { "ob_id": 46321, "uuid": "6be650b47d704b949384d5c77e1fcd41", "short_code": "acq", "title": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): daily L3 from TROPOMI, version 2.0", "abstract": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): daily L3 from TROPOMI, version 2.0" } }, { "ob_id": 14872, "platform": { "ob_id": 3883, "uuid": "ba8eaadcf91b46b2b5a4d60b6b96866a", "short_code": "plat", "title": "EOS-AURA", "abstract": "Aura (Latin for breeze) was launched July 15, 2004. The design life is five years with an operational goal of six years. Aura flies in formation about 15 minutes behind Aqua. Aura is part of the Earth Observing System (EOS), a program dedicated to monitoring the complex interactions that affect the globe using NASA satellites and data systems. EOS-Aura's instruments are HIRDLS, MLS, OMI and TES." }, "instrument": { "ob_id": 45804, "uuid": "c43349a0733a4d97857d4634f23e98c3", "short_code": "instr", "title": "OMI (Ozone Measuring Instrument)", "abstract": "OMI (Ozone Measuring Instrument)" }, "relatedTo": { "ob_id": 46325, "uuid": "426eedde73e64f128f51a23b672ca235", "short_code": "acq", "title": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): monthly L3 HCHO from OMI, version 2.0", "abstract": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): monthly L3 HCHO from OMI, version 2.0" } }, { "ob_id": 14873, "platform": { "ob_id": 3883, "uuid": "ba8eaadcf91b46b2b5a4d60b6b96866a", "short_code": "plat", "title": "EOS-AURA", "abstract": "Aura (Latin for breeze) was launched July 15, 2004. The design life is five years with an operational goal of six years. Aura flies in formation about 15 minutes behind Aqua. Aura is part of the Earth Observing System (EOS), a program dedicated to monitoring the complex interactions that affect the globe using NASA satellites and data systems. EOS-Aura's instruments are HIRDLS, MLS, OMI and TES." }, "instrument": { "ob_id": 45804, "uuid": "c43349a0733a4d97857d4634f23e98c3", "short_code": "instr", "title": "OMI (Ozone Measuring Instrument)", "abstract": "OMI (Ozone Measuring Instrument)" }, "relatedTo": { "ob_id": 46329, "uuid": "d0f248d4759440bca4d6886606be0983", "short_code": "acq", "title": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): daily L3 HCHO from OMI, version 2.0", "abstract": "Acquisition for ESA Precursors for Aerosols and Ozone Climate Change Initiative (Precursors_cci): daily L3 HCHO from OMI, version 2.0" } }, { "ob_id": 14874, "platform": { "ob_id": 2650, "uuid": "07ef82cad2ec4bc79efb7ba41b7043df", "short_code": "plat", "title": "Meteosat Second Generation 1 (MSG-1) or METEOSAT-8", "abstract": "Launched on 28 August 2002, the first Meteosat Second Generation (MSG) satellite became operational on 29 January 2004, when it was redesignated Meteosat-8. Since then it has continuously returned highly detailed imagery of Europe, the North Atlantic and Africa every 15 minutes, for operational use by meteorologists.\n MSG-1 has a nominal lifetime of seven years." }, "instrument": { "ob_id": 34750, "uuid": "d2267ea03a7a49cab1bc221d3809eb93", "short_code": "instr", "title": "Spinning Enhanced Visible and InfraRed Imager - SEVIRI", "abstract": "The Spinning Enhanced Visible and InfraRed Imager (SEVIRI) instrument measures in 12 spectral channels and records data in a 15 minute cycle. It is flown on the Meteosat Second Generation geostationary satellites" }, "relatedTo": { "ob_id": 46334, "uuid": "552fcf7967524d46a5d9862b3b2d6f9e", "short_code": "acq", "title": "Acquisition for: ESA SATACI Climate Change Initiative (SATACI_cci): CISAR combined hourly AOD/COD products from MSG / SEVIRI, version 1.0.0", "abstract": "Data have been derived from observations from the SEVIRI (Spinning Enhanced Visible and Infrared Imager) onboard the MSG1 and MSG4 satellites." } }, { "ob_id": 14875, "platform": { "ob_id": 34752, "uuid": "34e3f2deab374a32b494aeaf9a4fa066", "short_code": "plat", "title": "METEOSAT-11", "abstract": "This is the fourth of the Meteosat Second Generation satellites." }, "instrument": { "ob_id": 34750, "uuid": "d2267ea03a7a49cab1bc221d3809eb93", "short_code": "instr", "title": "Spinning Enhanced Visible and InfraRed Imager - SEVIRI", "abstract": "The Spinning Enhanced Visible and InfraRed Imager (SEVIRI) instrument measures in 12 spectral channels and records data in a 15 minute cycle. It is flown on the Meteosat Second Generation geostationary satellites" }, "relatedTo": { "ob_id": 46334, "uuid": "552fcf7967524d46a5d9862b3b2d6f9e", "short_code": "acq", "title": "Acquisition for: ESA SATACI Climate Change Initiative (SATACI_cci): CISAR combined hourly AOD/COD products from MSG / SEVIRI, version 1.0.0", "abstract": "Data have been derived from observations from the SEVIRI (Spinning Enhanced Visible and Infrared Imager) onboard the MSG1 and MSG4 satellites." } }, { "ob_id": 14876, "platform": { "ob_id": 12319, "uuid": "b6a54b30cf1f45d79e08117ccabeceb6", "short_code": "plat", "title": "Sentinel 1A", "abstract": "Sentinel 1A is the first of the European Space Agency (ESA) Sentinel series. It was launched on 3rd April 2014." }, "instrument": { "ob_id": 12313, "uuid": "0604b6ac4fb24640895c84a25edfd078", "short_code": "instr", "title": "Sentinel 1 Synthetic Aperture Radar (SAR)", "abstract": "The C-band Synthetic Aperture Radar (SAR) flown on the Sentinel 1 series of satellites is an instrument providing high resolution all-weather day and night radar coverage of the Earth's surface.\r\nSentinel 1A was launched on 3rd April 2014 and Sentinel 1B was launched on 25th April 2016. This instrument has four acquisition modes; Stripmap (SM), Interferometric Wide Swath (IW), Extra Wide Swath (EW), and Wave (WV)." }, "relatedTo": { "ob_id": 46340, "uuid": "6c02e2d9c2fc4c4b91fc18d340ba6599", "short_code": "acq", "title": "Acquisition for: ESA Antarctic Ice Sheets CCI ground line location for key glaciers v3.1", "abstract": "Data have been derived from satellite observations from the ERS-1/2, TerraSAR-X and Copernicus Sentinel-1 satellites, acquired between 1994 and 2026." } }, { "ob_id": 14877, "platform": { "ob_id": 20017, "uuid": "c68fe345e19a47b0a200941896f8aace", "short_code": "plat", "title": "Sentinel 1B", "abstract": "Sentinel 1B is the first of the European Space Agency (ESA) Sentinel series. It was launched on 25th April 2016." }, "instrument": { "ob_id": 12313, "uuid": "0604b6ac4fb24640895c84a25edfd078", "short_code": "instr", "title": "Sentinel 1 Synthetic Aperture Radar (SAR)", "abstract": "The C-band Synthetic Aperture Radar (SAR) flown on the Sentinel 1 series of satellites is an instrument providing high resolution all-weather day and night radar coverage of the Earth's surface.\r\nSentinel 1A was launched on 3rd April 2014 and Sentinel 1B was launched on 25th April 2016. This instrument has four acquisition modes; Stripmap (SM), Interferometric Wide Swath (IW), Extra Wide Swath (EW), and Wave (WV)." }, "relatedTo": { "ob_id": 46340, "uuid": "6c02e2d9c2fc4c4b91fc18d340ba6599", "short_code": "acq", "title": "Acquisition for: ESA Antarctic Ice Sheets CCI ground line location for key glaciers v3.1", "abstract": "Data have been derived from satellite observations from the ERS-1/2, TerraSAR-X and Copernicus Sentinel-1 satellites, acquired between 1994 and 2026." } }, { "ob_id": 14878, "platform": { "ob_id": 32746, "uuid": "0dcb87736d5f4aa5903310160fa7e92f", "short_code": "plat", "title": "TerraSAR-X and TanDEM-X", "abstract": "-" }, "instrument": { "ob_id": 32675, "uuid": "3e705c71f8184b4b8a1a326b101ecd30", "short_code": "instr", "title": "SAR-X", "abstract": "SAR-X is flown on the German TerraSAR-X satellite. It is an X-band Synthetic Aperture Radar" }, "relatedTo": { "ob_id": 46340, "uuid": "6c02e2d9c2fc4c4b91fc18d340ba6599", "short_code": "acq", "title": "Acquisition for: ESA Antarctic Ice Sheets CCI ground line location for key glaciers v3.1", "abstract": "Data have been derived from satellite observations from the ERS-1/2, TerraSAR-X and Copernicus Sentinel-1 satellites, acquired between 1994 and 2026." } }, { "ob_id": 14879, "platform": { "ob_id": 7805, "uuid": "d21630e98aa74a4f8406743b74e5d076", "short_code": "plat", "title": "ERS-1", "abstract": "The European Remote Sensing satellite 1 (ERS1) was launched on 17th July 1991 and was the first flight of the RSA ERS program. The payload included the ATSR, AMU-SAR , AMI-SCAT, LRR PRARE and RA instruments. End of mission for ERS1 was 10th March 2000." }, "instrument": { "ob_id": 32747, "uuid": "bb030f960b934d0ba23dccacc4428eee", "short_code": "instr", "title": "AMI-SAR", "abstract": "A Synthetic Aperture Radar (SAR) was launched onboard European Remote Sensing Satellite 1 (ERS-1) in July 1991 and ERS-2 in April 1995 as part of the Active Microwave Instrument (AMI)." }, "relatedTo": { "ob_id": 46340, "uuid": "6c02e2d9c2fc4c4b91fc18d340ba6599", "short_code": "acq", "title": "Acquisition for: ESA Antarctic Ice Sheets CCI ground line location for key glaciers v3.1", "abstract": "Data have been derived from satellite observations from the ERS-1/2, TerraSAR-X and Copernicus Sentinel-1 satellites, acquired between 1994 and 2026." } }, { "ob_id": 14880, "platform": { "ob_id": 7813, "uuid": "8ee876e1ea644ed7a81d4e3536133fa0", "short_code": "plat", "title": "European Remote Sensing satellite 2 - ERS-2", "abstract": "ESA's two European Remote Sensing (ERS) satellites, ERS-1 and –2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instruments to measure ocean surface temperature and wind fields.\r\n\r\nERS-2 added an additional sensor for atmospheric ozone monitoring. The two satellites acquired a combined data set extending over two decades.\r\n\r\nThe ERS-2 satellite was retired on 05 September 2011." }, "instrument": { "ob_id": 32747, "uuid": "bb030f960b934d0ba23dccacc4428eee", "short_code": "instr", "title": "AMI-SAR", "abstract": "A Synthetic Aperture Radar (SAR) was launched onboard European Remote Sensing Satellite 1 (ERS-1) in July 1991 and ERS-2 in April 1995 as part of the Active Microwave Instrument (AMI)." }, "relatedTo": { "ob_id": 46340, "uuid": "6c02e2d9c2fc4c4b91fc18d340ba6599", "short_code": "acq", "title": "Acquisition for: ESA Antarctic Ice Sheets CCI ground line location for key glaciers v3.1", "abstract": "Data have been derived from satellite observations from the ERS-1/2, TerraSAR-X and Copernicus Sentinel-1 satellites, acquired between 1994 and 2026." } }, { "ob_id": 14881, "platform": { "ob_id": 46341, "uuid": "9b6e7f230f0449cfaccf0b642fe114ad", "short_code": "plat", "title": "Sentinel 1C", "abstract": "Sentinel 1C is the third of the European Space Agency (ESA) Sentinel series. It was launched on 5th December 2024." }, "instrument": { "ob_id": 12313, "uuid": "0604b6ac4fb24640895c84a25edfd078", "short_code": "instr", "title": "Sentinel 1 Synthetic Aperture Radar (SAR)", "abstract": "The C-band Synthetic Aperture Radar (SAR) flown on the Sentinel 1 series of satellites is an instrument providing high resolution all-weather day and night radar coverage of the Earth's surface.\r\nSentinel 1A was launched on 3rd April 2014 and Sentinel 1B was launched on 25th April 2016. This instrument has four acquisition modes; Stripmap (SM), Interferometric Wide Swath (IW), Extra Wide Swath (EW), and Wave (WV)." }, "relatedTo": { "ob_id": 46340, "uuid": "6c02e2d9c2fc4c4b91fc18d340ba6599", "short_code": "acq", "title": "Acquisition for: ESA Antarctic Ice Sheets CCI ground line location for key glaciers v3.1", "abstract": "Data have been derived from satellite observations from the ERS-1/2, TerraSAR-X and Copernicus Sentinel-1 satellites, acquired between 1994 and 2026." } }, { "ob_id": 14882, "platform": { "ob_id": 46342, "uuid": "d41cf8d481f448a2b461aab6ab337fcd", "short_code": "plat", "title": "Sentinel 1D", "abstract": "Sentinel 1D is the fourth of the European Space Agency (ESA) Sentinel series. It was launched on 4th November 2025." }, "instrument": { "ob_id": 12313, "uuid": "0604b6ac4fb24640895c84a25edfd078", "short_code": "instr", "title": "Sentinel 1 Synthetic Aperture Radar (SAR)", "abstract": "The C-band Synthetic Aperture Radar (SAR) flown on the Sentinel 1 series of satellites is an instrument providing high resolution all-weather day and night radar coverage of the Earth's surface.\r\nSentinel 1A was launched on 3rd April 2014 and Sentinel 1B was launched on 25th April 2016. This instrument has four acquisition modes; Stripmap (SM), Interferometric Wide Swath (IW), Extra Wide Swath (EW), and Wave (WV)." }, "relatedTo": { "ob_id": 46340, "uuid": "6c02e2d9c2fc4c4b91fc18d340ba6599", "short_code": "acq", "title": "Acquisition for: ESA Antarctic Ice Sheets CCI ground line location for key glaciers v3.1", "abstract": "Data have been derived from satellite observations from the ERS-1/2, TerraSAR-X and Copernicus Sentinel-1 satellites, acquired between 1994 and 2026." } }, { "ob_id": 14883, "platform": { "ob_id": 32693, "uuid": "b46bacbde62c477dba7027c300b7b0cf", "short_code": "plat", "title": "GRACE", "abstract": "The Gravity Recovery and Climate Experiment (GRACE) was a joint NASA and DLR mission launched in 2002 to measure changes in the Earth's gravity field.\r\nIt consists of twin satellites." }, "instrument": { "ob_id": 32695, "uuid": "502f27a6814142f28b7ec8f1c9ce630a", "short_code": "instr", "title": "GRACE instrument", "abstract": "Instrumentation on the Gravity Recovery and Climate Experiment (GRACE) and GRACE-FO satellite missions." }, "relatedTo": { "ob_id": 46352, "uuid": "cd05fd01dd5e425a80e2a91499ffc467", "short_code": "acq", "title": "Acquisition for ESA Antarctic Ice Sheet Climate Change Initiative (Antarctic_Ice_Sheet_cci): Antarctic Ice Sheet monthly Gravimetric Mass Balance Product, v5.2", "abstract": "The Antarctic Ice Sheet Gravimetric Mass Balance (GMB) v5.2 product is based on monthly snapshots of the Earth’s gravity field provided by the Gravity Recovery and Climate Experiment (GRACE) and its follow-on satellite mission (GRACE-FO). The product relies on monthly gravity field solutions (L2) of release 06 generated at the Center for Space Research (University of Texas at Austin) and spans the period from April 2002 through December 2025." } }, { "ob_id": 14884, "platform": { "ob_id": 32694, "uuid": "7c9c9b90cd804d4aaba3b1d38c1ea5b1", "short_code": "plat", "title": "GRACE-FO", "abstract": "The Gravity Recovery and Climate Experiment Follow-on (GRACE-FO) mission is a joint NASA, DLR mission launched in 2018" }, "instrument": { "ob_id": 32695, "uuid": "502f27a6814142f28b7ec8f1c9ce630a", "short_code": "instr", "title": "GRACE instrument", "abstract": "Instrumentation on the Gravity Recovery and Climate Experiment (GRACE) and GRACE-FO satellite missions." }, "relatedTo": { "ob_id": 46352, "uuid": "cd05fd01dd5e425a80e2a91499ffc467", "short_code": "acq", "title": "Acquisition for ESA Antarctic Ice Sheet Climate Change Initiative (Antarctic_Ice_Sheet_cci): Antarctic Ice Sheet monthly Gravimetric Mass Balance Product, v5.2", "abstract": "The Antarctic Ice Sheet Gravimetric Mass Balance (GMB) v5.2 product is based on monthly snapshots of the Earth’s gravity field provided by the Gravity Recovery and Climate Experiment (GRACE) and its follow-on satellite mission (GRACE-FO). The product relies on monthly gravity field solutions (L2) of release 06 generated at the Center for Space Research (University of Texas at Austin) and spans the period from April 2002 through December 2025." } }, { "ob_id": 14885, "platform": { "ob_id": 817, "uuid": "0d60dd064b6449b09f5c7fd4c41bd693", "short_code": "plat", "title": "NCAS Chilbolton Atmospheric Observatory (CAO)", "abstract": "The National Centre for Atmospheric Science's Chilbolton Atmospheric Observatory, formerly known as the Chilbolton Facility for Atmospheric and Radio Research (CFARR), is hosted by the Science and Technology Facilities Council (STFC) in rural Hampshire in the South of England. Through a combination of long-term observations and tailored operations it provides national capability for the study of clouds, rainfall, boundary-layer processes and aerosols, and is particularly well suited as a site for hosting field campaigns involving visiting instruments.\r\n\r\nThe CAO site is located one mile south of Chilbolton Village, 6 miles south of Andover, Hampshire. The site was used as an airfield during the Second World War and is relatively flat and slightly elevated above the surrounding area.\r\n\r\nThe observatory operates more than twenty major instruments, many continuously, while others are available on-demand according to user configuration requirements. The portfolio includes a powerful combination of dual-polarisation Doppler radars, lidars, radiometers, and supporting instruments; the continuous round-the-clock operation of lidar and cloud radar instruments at Chilbolton is unique within the UK. These are supplemented by a suite of meteorological instrumentation including rain gauges, and disdrometers. A multi-wavelength sun photometer provides continuous measurements of aerosol optical depth in clear skies, and contributes to the Aerosol Robotic Network (AERONET).\r\n\r\nThe Chilbolton Advanced Meteorological Radar (CAMRa) is mounted on a 25-metre, fully steerable antenna, and is able to probe clouds and storms with unparalleled sensitivity and resolution. In addition, zenith-pointing polarimetric, Doppler 35 GHz and 94 GHz cloud radars are routinely operated for detailed microphysical studies of cloud processes and cloud climatology. A transportable, scanning 35 GHz cloud radar system is also hosted at Chilbolton, further enhancing the available capability.\r\n\r\nChilbolton was one of the pilot cloud profiling sites for the CLOUDNET project, and continues to make observations that feed into the Aerosol Clouds and Trace Gases Research Infrastructure (ACTRIS). Capability at the site will be enhanced in the next few years, with the incorporation of a Raman lidar, with the ambition being for this to form an ACTRIS observational platform for aerosol profiling.\r\n\r\nThe presence (since January 2016) of a Defra air quality monitoring supersite at the observatory site (providing rural background measurements as part of national and transboundary networks) offers the research community further excellent opportunities for intercomparison campaigns and instrument evaluation.\r\n\r\nWIGOS id: \r\n0-826-300-3\r\n0-826-300-4\r\n0-826-300-5\r\n\r\nThe Met Office also operated a boundary layer wind profiler at the site (now operated by NCAS AMOF), for which the site was given a WMO ID 03754." }, "instrument": { "ob_id": 4732, "uuid": "87f5c0bfb66045c68ec9259603dc59ba", "short_code": "instr", "title": "University of Reading: Vaisala radiosonde", "abstract": "Vaisala radiosonde system that is not mobile. The radiosonde is a lightweight, balloon-borne instrument that measures profiles of pressure, temperature and humidity from the ground to approximately 40km. The radiosonde is equipped with a radio transmitter for sending the measurements to the observing station." }, "relatedTo": { "ob_id": 46364, "uuid": "5ca421b23a324ad0a74125869adf07d8", "short_code": "acq", "title": "Picasso: reading radiosonde unit deployment", "abstract": "Picasso: reading radiosonde unit deployment" } }, { "ob_id": 14886, "platform": { "ob_id": 817, "uuid": "0d60dd064b6449b09f5c7fd4c41bd693", "short_code": "plat", "title": "NCAS Chilbolton Atmospheric Observatory (CAO)", "abstract": "The National Centre for Atmospheric Science's Chilbolton Atmospheric Observatory, formerly known as the Chilbolton Facility for Atmospheric and Radio Research (CFARR), is hosted by the Science and Technology Facilities Council (STFC) in rural Hampshire in the South of England. Through a combination of long-term observations and tailored operations it provides national capability for the study of clouds, rainfall, boundary-layer processes and aerosols, and is particularly well suited as a site for hosting field campaigns involving visiting instruments.\r\n\r\nThe CAO site is located one mile south of Chilbolton Village, 6 miles south of Andover, Hampshire. The site was used as an airfield during the Second World War and is relatively flat and slightly elevated above the surrounding area.\r\n\r\nThe observatory operates more than twenty major instruments, many continuously, while others are available on-demand according to user configuration requirements. The portfolio includes a powerful combination of dual-polarisation Doppler radars, lidars, radiometers, and supporting instruments; the continuous round-the-clock operation of lidar and cloud radar instruments at Chilbolton is unique within the UK. These are supplemented by a suite of meteorological instrumentation including rain gauges, and disdrometers. A multi-wavelength sun photometer provides continuous measurements of aerosol optical depth in clear skies, and contributes to the Aerosol Robotic Network (AERONET).\r\n\r\nThe Chilbolton Advanced Meteorological Radar (CAMRa) is mounted on a 25-metre, fully steerable antenna, and is able to probe clouds and storms with unparalleled sensitivity and resolution. In addition, zenith-pointing polarimetric, Doppler 35 GHz and 94 GHz cloud radars are routinely operated for detailed microphysical studies of cloud processes and cloud climatology. A transportable, scanning 35 GHz cloud radar system is also hosted at Chilbolton, further enhancing the available capability.\r\n\r\nChilbolton was one of the pilot cloud profiling sites for the CLOUDNET project, and continues to make observations that feed into the Aerosol Clouds and Trace Gases Research Infrastructure (ACTRIS). Capability at the site will be enhanced in the next few years, with the incorporation of a Raman lidar, with the ambition being for this to form an ACTRIS observational platform for aerosol profiling.\r\n\r\nThe presence (since January 2016) of a Defra air quality monitoring supersite at the observatory site (providing rural background measurements as part of national and transboundary networks) offers the research community further excellent opportunities for intercomparison campaigns and instrument evaluation.\r\n\r\nWIGOS id: \r\n0-826-300-3\r\n0-826-300-4\r\n0-826-300-5\r\n\r\nThe Met Office also operated a boundary layer wind profiler at the site (now operated by NCAS AMOF), for which the site was given a WMO ID 03754." }, "instrument": { "ob_id": 4737, "uuid": "8dff23de47ae4557a8989be0c05ed708", "short_code": "instr", "title": "NCAS AMF: Vaisala Radiosonde Unit 1", "abstract": "The National Centre for Atmospheric Science's Atmospheric Measurement Facility (NCAS AMF) operate two radiosonde sounding systems: unit one (this one) is situated at the University of Manchester and unit two at the University of Leeds, both compatible with the Vaisala RS92 sonde family and support the extended sondes recommended by Vaisala. Both systems are 400 MHz variants.\r\n\r\nAlthough now designated as NCAS AMF instruments they have each had previous designations with this unit previously been known as the \"Manchester/UFAM: Vaisala Radiosonde\" and represented by \"man-radiosonde\" in filenames.\r\n\r\nVaisala radiosonde systems are used by meteorological organizations all around the world to measure weather in the Earth’s atmosphere, from the boundary layer to the upper atmosphere. The radiosonde is a lightweight, balloon-borne instrument that measures profiles of pressure, temperature and humidity from the ground to approximately 40 km. The radiosonde is equipped with a radio transmitter for sending the measurements securely to the observing station. The user has control over the sounding process by integrating sounding controls, archiving the sounding data and meteorological message creation. For routine soundings the system offers a variety of features and allows the desired balance of manual and automatic control. In addition to the traditional alphanumeric messages, the system software produces the WMO specified BUFR messages. This feature enables users to follow the WMO's recommendation to move from traditional alphanumeric codes to binary BUFR codes.\r\n\r\nThis record also records the present and previous instrument scientists responsible for the equipment (recorded here as \"operators\") for historic purposes with the current instrument scientist given last. It is possible that other operators may use the equipment from time to time and these should be recorded as dataset authors for each associated datasets in the archive." }, "relatedTo": { "ob_id": 46365, "uuid": "1a48501717a745a0bb0845c02bbb0031", "short_code": "acq", "title": "Picasso: NCAS radiosonde unit 1 deployment at Chilbolton", "abstract": "Picasso: NCAS radiosonde unit 1 deployment at Chilbolton" } }, { "ob_id": 14888, "platform": { "ob_id": 34752, "uuid": "34e3f2deab374a32b494aeaf9a4fa066", "short_code": "plat", "title": "METEOSAT-11", "abstract": "This is the fourth of the Meteosat Second Generation satellites." }, "instrument": { "ob_id": 34750, "uuid": "d2267ea03a7a49cab1bc221d3809eb93", "short_code": "instr", "title": "Spinning Enhanced Visible and InfraRed Imager - SEVIRI", "abstract": "The Spinning Enhanced Visible and InfraRed Imager (SEVIRI) instrument measures in 12 spectral channels and records data in a 15 minute cycle. It is flown on the Meteosat Second Generation geostationary satellites" }, "relatedTo": { "ob_id": 46380, "uuid": "f46853ae42724c9b9bca77388c3c508f", "short_code": "acq", "title": "Acquisition for: ESA SATACI Climate Change Initiative (SATACI_cci): ORAC/BUGSRad cloud, aerosol and flux products from MSG / SEVIRI, version 3.0.0", "abstract": "Data have been derived from observations from the SEVIRI (Spinning Enhanced Visible and Infrared Imager) onboard the MSG1 and MSG4 satellites." } }, { "ob_id": 14889, "platform": { "ob_id": 30014, "uuid": "2e7f841f29304e7986e102cfecda969c", "short_code": "plat", "title": "TOPEX/Poseidon", "abstract": "The TOPEX-Posiedon (Topography Experiment - Positioning,Ocean,Solid Earth, Ice Dynamics, Orbital Navigator) satellite was operated by NASA and CNES, between Aug 1992 and October 2005." }, "instrument": { "ob_id": 30015, "uuid": "66ebb2b90a2c42d2a2e86e9b05e6b0d7", "short_code": "instr", "title": "SSALT", "abstract": "The Single-frequency Solid-state Altimeter (SSALT) was flown on the TOPEX-Poseidon satellite to study ocean topography, significant wave height and wind speed on the sea surface" }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14890, "platform": { "ob_id": 30018, "uuid": "dc9445f2ebc5410cb39df2984165c52b", "short_code": "plat", "title": "JASON-1", "abstract": "The JASON-1 (Joint Altimetery Satellite Oceanography Network - 1) satellite was the first flight of the JASON series of satellites, with a primary mission to study ocean topography and waves. It flew between December 2001 and July 2013" }, "instrument": { "ob_id": 30019, "uuid": "64d73638c9a14a3fad59d6ae8658fd37", "short_code": "instr", "title": "Poseidon-2", "abstract": "The Poseidon-2 satellite instrument was flown on the JASON-1 satellite. It is a radar altimeter designed to study ocean topography, significant wave height and wind speed." }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14891, "platform": { "ob_id": 30020, "uuid": "154dafa0c39d47beb7b1b8f29efa237f", "short_code": "plat", "title": "JASON-2", "abstract": "The JASON-2 (Joint Altimetry Satellite Oceanography Network -2 ) satellite was flown to study ocean topography and waves. It flew between June 2008 and October 2019" }, "instrument": { "ob_id": 30021, "uuid": "57297602ceef42edb983796ce9089963", "short_code": "instr", "title": "Poseidon-3", "abstract": "The Poseidon-3 instrument was flown on the JASON-2 satellite. It is a radar altimeter, designed to study ocean topography, significant wave height and wind speed." }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14892, "platform": { "ob_id": 30022, "uuid": "40826d62fbe6438494c543d9284e7c61", "short_code": "plat", "title": "JASON-3", "abstract": "The JASON-3 (Joint Altimetry Satellite Oceanography Network - 3 ) Satellite was launched on Jan 2016. It primary mission is to study ocean topography and waves." }, "instrument": { "ob_id": 30023, "uuid": "fcdd312219c4443985a9a1708867500e", "short_code": "instr", "title": "Poseidon-3B", "abstract": "The Poseidon-3B satellite instrument is flying on the JASON-3 satellite. It is a radar altimeter, designed to study ocean topography, significant wave height and wind speed." }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14893, "platform": { "ob_id": 41465, "uuid": "ae51e187356a42d5b4e75cf96b3c2710", "short_code": "plat", "title": "Sentinel-6A", "abstract": "The Sentinel-6A satellite misson" }, "instrument": { "ob_id": 41466, "uuid": "1e4e6a00ef6640fea9846489896c2c61", "short_code": "instr", "title": "Poseidon-4", "abstract": "The Poseidon-4 instrument is flown on the Sentinel-6 satellite" }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14894, "platform": { "ob_id": 846, "uuid": "47779e22cdc6491a9f7491af866f7080", "short_code": "plat", "title": "Envisat", "abstract": "In March 2002, the European Space Agency launched Envisat, an advanced polar-orbiting Earth observation satellite which provides measurements of the atmosphere, ocean, land, and ice. The Envisat satellite has a payload of 10 instruments that will ensure the continuity of the data measurements of the ESA ERS satellites. Envisat data supports earth science research and allows monitoring of the evolution of environmental and climatic changes.\r\n\r\nLaunch date: 01/03/2002\r\nStatus / projected mission lifetime: Terminated on 08/04/2012\r\nOrbit parameters: 30 km in front of ERS2\r\nNominal altitude: 800 km (same as ERS2, near circular)\r\nOrbit type: near-polar, sun-synchronous\r\nInclination: 98.55 degrees\r\nRepeat period: 35 days\r\nEquatorial crossing time: 10:00 local time (descending node)\r\nSwath width: various\r\nResolution: various" }, "instrument": { "ob_id": 13692, "uuid": "c1015c7477334094ab86ef8a1f6ee3ce", "short_code": "instr", "title": "Radar Altimeter 2 (RA-2)", "abstract": "Radar Altimeter 2 (RA-2) is an instrument for determining the two-way delay of the radar echo from the Earth's surface to a very high precision: less than a nanosecond. It also measures the power and the shape of the reflected radar pulses.\r\n\r\nIt is a nadir-looking pulse-limited radar altimeter based on the heritage of ERS-1 RA functioning at the main nominal frequency of 13.575 GHz (Ku Band), which has been selected as a good compromise between the affordable antenna dimension that provides the necessary gain and the relatively low attenuation which experience the signals propagating through the troposphere." }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14895, "platform": { "ob_id": 7813, "uuid": "8ee876e1ea644ed7a81d4e3536133fa0", "short_code": "plat", "title": "European Remote Sensing satellite 2 - ERS-2", "abstract": "ESA's two European Remote Sensing (ERS) satellites, ERS-1 and –2, were launched into the same orbit in 1991 and 1995 respectively. Their payloads included a synthetic aperture imaging radar, radar altimeter and instruments to measure ocean surface temperature and wind fields.\r\n\r\nERS-2 added an additional sensor for atmospheric ozone monitoring. The two satellites acquired a combined data set extending over two decades.\r\n\r\nThe ERS-2 satellite was retired on 05 September 2011." }, "instrument": { "ob_id": 30024, "uuid": "19bf6bae815c412fa2374e2513d25af5", "short_code": "instr", "title": "RA", "abstract": "The RA (Radar Altimeter) instrument was flown on the ERS-1 and ERS02 satellites. It's a single frequency (13.8 GHz) radar altimeter." }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14896, "platform": { "ob_id": 26738, "uuid": "ae4858d28dec45a1805b8de5029e8b88", "short_code": "plat", "title": "SARAL (Satellite with ARGOS and AltiKa)", "abstract": "The SARAL (Satellite with ARGOS and AltiKa) is a French (CNES) / Indian (ISRO) satellite mission primarily focused on observing the oceans." }, "instrument": { "ob_id": 26737, "uuid": "43854b24bec449a7a07eedc63b6b9690", "short_code": "instr", "title": "AltiKa", "abstract": "The Ka-band Altimeter (AltiKa) is flown on the SARAL satellite" }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14897, "platform": { "ob_id": 19017, "uuid": "f1fb7621240a45e895acdc686959b516", "short_code": "plat", "title": "Sentinel 3A", "abstract": "Sentinel 3A was launched by the European Space Agency (ESA) to become the third part of the Sentinel series. The satellite was launched on 16th February 2016." }, "instrument": { "ob_id": 19016, "uuid": "e63c04b01a6c4b66af13c4cf0c368cee", "short_code": "instr", "title": "Sentinel 3 Synthetic Aperture Radar Altimeter (SRAL)", "abstract": "Synthetic Aperture Radar Altimeter (SRAL) instrument on board the Sentinel 3 satellite." }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } }, { "ob_id": 14898, "platform": { "ob_id": 26990, "uuid": "3478f3a96c7e4610a1973a535ee6439e", "short_code": "plat", "title": "Sentinel 3B", "abstract": "Sentinel 3B was launched by the European Space Agency (ESA) to become the third part of the Sentinel series. The satellite was launched on 25th April 2018." }, "instrument": { "ob_id": 19016, "uuid": "e63c04b01a6c4b66af13c4cf0c368cee", "short_code": "instr", "title": "Sentinel 3 Synthetic Aperture Radar Altimeter (SRAL)", "abstract": "Synthetic Aperture Radar Altimeter (SRAL) instrument on board the Sentinel 3 satellite." }, "relatedTo": { "ob_id": 46384, "uuid": "5ee1c6a324ba4b4a872b00dc4a50b5af", "short_code": "acq", "title": "Acquisition Process for the ESA River Discharge Climate Change Initiative (RD_cci): Water Level product, v2.1", "abstract": "The water level product was derived from the following nadir-viewing satellite radar altimeter missions : ERS-2, Envisat, Saral, Topex-Poseidon, Jason-1, Jason-2, Jason-3, Sentinel-3A/B, and Sentinel-6" } } ] }