Dataset
ESA Greenhouse Gases Climate Change Initiative (GHG_cci): Column-averaged CH4 from GOSAT generated with the OCFP (UoL-FP) algorithm (CH4_GOS_OCFP), version 2.1
Abstract
The CH4_GOS_OCFP dataset is comprised of level 2, column-averaged dry-air mole fractions (mixing ratios) of methane (XCH4). It has been produced using data acquired from the Thermal and Near Infrared Sensor for Carbon Observations (TANSO-FTS) NIR and SWIR spectra, onboard the Japanese Greenhouse gases Observing Satellite (GOSAT), using the University of Leicester Full-Physics Retrieval Algorithm. It has been generated as part of the European Space Agency (ESA) Greenhouse Gases Climate Change Initiative (GHG_cci) project. This version is version 2.1 and forms part of the Climate Research Data Package 4.
The University of Leicester Full-Physics Retrieval Algorithm is based on the original Orbiting Carbon Observatory (OCO) Full Physics Retrieval Algorithm and has been modified for use on GOSAT spectra. A second GOSAT CH4 product, generated using the SRFP algorithm, is also available.
The XCH4 product is stored in NetCDF format with all GOSAT soundings on a single day stored in one file. For further information, including details of the OCFP algorithm and the TANSO-FTS instrument, please see the associated product user guide (PUG).
Details
| Previous Info: |
No news update for this record
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| Previously used record identifiers: |
No related previous identifiers.
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| Access rules: |
Public data: access to these data is available to both registered and non-registered users.
Use of these data is covered by the following licence: https://artefacts.ceda.ac.uk/licences/specific_licences/esacci_ghg_terms_and_conditions.pdf. When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record. |
| Data lineage: |
Data were processed by the ESA CCI GHG project team and supplied to CEDA as part of the ESA CCI Open Data Portal Project |
| File Format: |
Data are in NetCDF format
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Related Documents
Process overview
- units: K
- long_name: air_temperature_apriori
- var_id: air_temperature_apriori
- names: air_temperature_apriori
- units: 1
- long_name: aod_type1
- var_id: aod_type1
- names: aod_type1
- units: 1
- long_name: aod_type2
- var_id: aod_type2
- names: aod_type2
- units: 1e-9
- var_id: ch4_profile_apriori
- long_name: ch4_profile_apriori
- names: ch4_profile_apriori
- units: 1
- long_name: cirrus
- var_id: cirrus
- names: cirrus
- units: 1e-6
- var_id: co2_profile_apriori
- long_name: co2_profile_apriori
- names: co2_profile_apriori
- units: 1
- long_name: exposure_id
- var_id: exposure_id
- names: exposure_id
- units: 1
- long_name: gain
- var_id: gain
- names: gain
- units: 1e-6
- long_name: h2o_profile_apriori
- var_id: h2o_profile_apriori
- names: h2o_profile_apriori
- units: hPa
- var_id: pressure_levels
- long_name: pressure_levels
- names: pressure_levels
- units: 1
- var_id: pressure_weight
- long_name: pressure_weight
- names: pressure_weight
- units: 1
- long_name: retr_flag
- var_id: retr_flag
- names: retr_flag
- units: degree
- standard_name: sensor_zenith_angle
- var_id: sensor_zenith_angle
- long_name: sensor_zenith_angle
- names: sensor_zenith_angle, sensor zenith angle
- units: degree
- var_id: solar_zenith_angle
- standard_name: solar_zenith_angle
- long_name: solar_zenith_angle
- names: solar zenith angle, solar_zenith_angle
- units: hPa
- long_name: surface_air_pressure_apriori
- var_id: surface_air_pressure_apriori
- names: surface_air_pressure_apriori
- units: hPa
- long_name: surface_air_pressure_apriori_std
- var_id: surface_air_pressure_apriori_std
- names: surface_air_pressure_apriori_std
- units: m
- standard_name: surface_altitude
- var_id: surface_altitude
- long_name: surface_altitude
- names: surface_altitude, surface altitude
- units: m
- long_name: surface_altitude_stdev
- var_id: surface_altitude_stdev
- names: surface_altitude_stdev
- units: 1
- long_name: total_aod
- var_id: total_aod
- names: total_aod
- units: 1e-9
- var_id: xch4
- long_name: xch4
- standard_name: dry_atmosphere_mole_fraction_of_methane
- names: xch4, dry_atmosphere_mole_fraction_of_methane
- units: 1
- var_id: xch4_averaging_kernel
- long_name: xch4_averaging_kernel
- names: xch4_averaging_kernel
- units: 1e-9
- var_id: xch4_no_bias_correction
- standard_name: dry_atmosphere_mole_fraction_of_methane
- long_name: xch4_no_bias_correction
- names: dry_atmosphere_mole_fraction_of_methane, xch4_no_bias_correction
- units: 1
- var_id: xch4_quality_flag
- long_name: xch4_quality_flag
- names: xch4_quality_flag
- units: 1e-9
- var_id: xch4_uncertainty
- long_name: xch4_uncertainty
- names: xch4_uncertainty
Co-ordinate Variables
- units: degrees_north
- standard_name: latitude
- var_id: latitude
- long_name: latitude
- names: latitude
- units: degrees_east
- standard_name: longitude
- var_id: longitude
- long_name: longitude
- names: longitude
- long_name: time
- standard_name: time
- var_id: time
- names: time
Temporal Range
2009-04-18T00:00:00
2015-12-31T23:59:59
Geographic Extent
90.0000° |
||
-180.0000° |
180.0000° |
|
-90.0000° |