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Dataset

 

MYD09GA - MODIS/Aqua Surface Reflectance Daily L2G Global 1km and 500m SIN Grid

Update Frequency: As Needed
Latest Data Update: 2023-05-18
Status: Ongoing
Online Status: ONLINE
Publication State: Published
Publication Date: 2021-04-15
Download Stats: last 12 months
Dataset Size: 2.2M Files | 203TB
Abstract

These data are a copy of MODIS data from the NASA Level-1 and Atmosphere Archive & Distribution System (LAADS) Distributed Active Archive Center (DAAC). The copy is potentially only a subset. Below is the description from https://ladsweb.modaps.eosdis.nasa.gov/missions-and-measurements/products/MYD09GA

Shortname: MYD09GA , Platform: Aqua , Instrument: MODIS , Processing Level: Level-2 Tiled , Spatial Resolution: 500 m, 1 km , Temporal Resolution: daily , ArchiveSets: 61, 6 , Collection: MODIS Collection 6.1 - Level 1, Atmosphere, Land (ArchiveSet 61) , PGE Number: PGE13

Citable as:  National Aeronautics and Space Administration (2021): MYD09GA - MODIS/Aqua Surface Reflectance Daily L2G Global 1km and 500m SIN Grid. National Aeronautics and Space Administration, date of citation. https://catalogue.ceda.ac.uk/uuid/b8cb8a5d02b143fc8257d030f81bcf76/
Abbreviation: MYD09GA
Keywords: Not defined

Details

Previous Info:
No news update for this record
Previously used record identifiers:
No related previous identifiers.
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(s):
https://modaps.modaps.eosdis.nasa.gov/services/faq/LAADS_Data-Use_Citation_Policies.pdf
When using these data you must cite them correctly using the citation given on the CEDA Data Catalogue record.
Data lineage:

Data were downloaded from https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/ to support UK research groups, especially NCEO.
Data Quality:
Look on the data source site (https://ladsweb.modaps.eosdis.nasa.gov) for quality information
File Format:
HDF

Related Documents

 LAADS DAAC - Search for Product Files
 LAADS DAAC - Data Archive

Process overview

This dataset was generated by instruments deployed on platforms as listed below.

Mobile platform operations

Mobile Platform Operation 1 Aqua Satellite orbit details
Output Description

None
  • units: bit field
  • var_id: state_1km_c
  • long_name: 1km Reflectance Data State QA - additional layers, compact
  • units: bit field
  • var_id: state_1km_1
  • long_name: 1km Reflectance Data State QA - first layer
  • units: none
  • var_id: q_scan_c
  • long_name: 250m scan value information - additional layers, compact
  • units: none
  • var_id: q_scan_1
  • long_name: 250m scan value information - first layer
  • units: bit field
  • var_id: QC_500m_c
  • long_name: 500m Reflectance Band Quality - additional layers, compact
  • var_id: QC_500m_1
  • long_name: 500m Reflectance Band Quality - first layer
  • units: bit field
  • units: reflectance
  • var_id: sur_refl_b01_c
  • long_name: 500m Surface Reflectance Band 1 - additional layers, compact
  • var_id: sur_refl_b01_1
  • long_name: 500m Surface Reflectance Band 1 - first layer
  • units: reflectance
  • units: reflectance
  • var_id: sur_refl_b02_c
  • long_name: 500m Surface Reflectance Band 2 - additional layers, compact
  • units: reflectance
  • var_id: sur_refl_b02_1
  • long_name: 500m Surface Reflectance Band 2 - first layer
  • units: reflectance
  • var_id: sur_refl_b03_c
  • long_name: 500m Surface Reflectance Band 3 - additional layers, compact
  • units: reflectance
  • var_id: sur_refl_b03_1
  • long_name: 500m Surface Reflectance Band 3 - first layer
  • units: reflectance
  • var_id: sur_refl_b04_c
  • long_name: 500m Surface Reflectance Band 4 - additional layers, compact
  • units: reflectance
  • var_id: sur_refl_b04_1
  • long_name: 500m Surface Reflectance Band 4 - first layer
  • units: reflectance
  • var_id: sur_refl_b05_c
  • long_name: 500m Surface Reflectance Band 5 - additional layers, compact
  • units: reflectance
  • var_id: sur_refl_b05_1
  • long_name: 500m Surface Reflectance Band 5 - first layer
  • units: reflectance
  • var_id: sur_refl_b06_c
  • long_name: 500m Surface Reflectance Band 6 - additional layers, compact
  • units: reflectance
  • var_id: sur_refl_b06_1
  • long_name: 500m Surface Reflectance Band 6 - first layer
  • units: reflectance
  • var_id: sur_refl_b07_c
  • long_name: 500m Surface Reflectance Band 7 - additional layers, compact
  • units: reflectance
  • var_id: sur_refl_b07_1
  • long_name: 500m Surface Reflectance Band 7 - first layer
  • units: bit field
  • var_id: gflags_c
  • long_name: Geolocation flags - additional layers, compact
  • units: bit field
  • var_id: gflags_1
  • long_name: Geolocation flags - first layer
  • units: none
  • var_id: granule_pnt_c
  • long_name: Granule Pointer - additional layers, compact
  • units: none
  • var_id: granule_pnt_1
  • long_name: Granule Pointer - first layer
  • units: none
  • var_id: num_observations_500m
  • long_name: Number of Observations
  • units: none
  • var_id: nadd_obs_row_500m
  • long_name: Number of additional observations per row
  • units: percent
  • var_id: obscov_500m_c
  • long_name: Observation coverage - additional layers, compact
  • units: percent
  • var_id: obscov_500m_1
  • long_name: Observation coverage - first layer
  • units: none
  • var_id: orbit_pnt_c
  • long_name: Orbit pointer - additional layers, compact
  • units: none
  • var_id: orbit_pnt_1
  • long_name: Orbit pointer - first layer
  • units: meters
  • var_id: Range_c
  • long_name: Range (pixel to sensor) - additional layers, compact
  • units: meters
  • var_id: Range_1
  • long_name: Range (pixel to sensor) - first layer
  • units: degree
  • var_id: SensorAzimuth_c
  • long_name: Sensor azimuth - additional layers, compact
  • units: degree
  • var_id: SensorAzimuth_1
  • long_name: Sensor azimuth - first layer
  • units: degree
  • var_id: SensorZenith_c
  • long_name: Sensor zenith - additional layers, compact
  • units: degree
  • var_id: SensorZenith_1
  • long_name: Sensor zenith - first layer
  • units: degree
  • var_id: SolarAzimuth_c
  • long_name: Solar azimuth - additional layers, compact
  • units: degree
  • var_id: SolarAzimuth_1
  • long_name: Solar azimuth - first layer
  • units: degree
  • var_id: SolarZenith_c
  • long_name: Solar zenith - additional layers, compact
  • units: degree
  • var_id: SolarZenith_1
  • long_name: Solar zenith - first layer
  • units: none
  • var_id: iobs_res_c
  • long_name: observation number in coarser grid - additional layers, compact
  • units: none
  • var_id: iobs_res_1
  • long_name: observation number in coarser grid - first layer

Co-ordinate Variables

Coverage
Temporal Range
Start time:
2002-07-03T23:55:00
End time:
Ongoing
Geographic Extent

 
90.0000°
  
-180.0000°
  
180.0000°
 
-90.0000°
  
Related parties
Authors (1)
Publishers (1)
Principal Investigators (1)