Table · dataset · 2025
MODIS/Aqua Surface Reflectance Daily L2G Global 1km and 500m SIN Grid V006
Listed in NASA Data Portal
Description
The MYD09GA Version 6 data product was decommissioned on July 31, 2023. Users are encouraged to use the MYD09GA Version 6.1 data product. The MYD09GA Version 6 product provides an estimate of the surface spectral reflectance of Aqua Moderate Resolution Imaging Spectroradiometer (MODIS) Bands 1 through 7, corrected for atmospheric conditions such as gasses, aerosols, and Rayleigh scattering.
Provided along with the 500 meter (m) surface reflectance, observation, and quality bands are a set of ten 1 km observation bands and geolocation flags. The reflectance layers from the MYD09GA are used as the source data for many of the MODIS land products.
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Known Issues
* The Collection 6 MODIS Land Surface Reflectance product (MYD09) may incorrectly flag retrievals as ‘High Aerosol’ over brighter surfaces and at higher view angles. This will impact the downstream MODIS BRDF/Albedo (MCD43) and Vegetation Index (MOD13 and MYD13) data products which use the aerosol quantity flag to screen out high aerosol values.
- Corrections were implemented in Collection 6.1 reprocessing.
- For complete information about known issues please refer to the MODIS/VIIRS Land Quality Assessment website.
Links
Get the data
- Resource earthdata.nasa.gov/centers/lp-daac ↗
download · from data nasa gov
- PDF lpdaac.usgs.gov/documents/306/MOD09_User_Guide_V6.pdf ↗
download · from data nasa gov
- PDF lpdaac.usgs.gov/documents/305/MOD09_ATBD.pdf ↗
download · from data nasa gov
- Resource ladsweb.modaps.eosdis.nasa.gov/filespec/MODIS/6/MYD09GA ↗
download · from data nasa gov
- Resource landweb.modaps.eosdis.nasa.gov ↗
download · from data nasa gov
- Resource modis-land.gsfc.nasa.gov/MODLAND_val.html ↗
download · from data nasa gov
- Resource modis-land.gsfc.nasa.gov/ValStatus.php?ProductID=MOD09 ↗
download · from data nasa gov
- Original Metadata cmr.earthdata.nasa.gov/search/concepts/C2763370201-LPCLOUD.iso19115 ↗
download · from data nasa gov
- Resource doi.org/10.5067/modis/myd09ga.006 ↗
download · DOI / persistent id · from data nasa gov
Where it is published
- NASA Data Portal dataset page data.nasa.gov/dataset/modis-aqua-surface-reflectance-daily-l2g-global-1km-an… ↗
landing page · from data nasa gov
Catalogue records · 1
- CKAN API data.nasa.gov/api/3/action/package_show?id=52ef1a34-7533-4ee5-ba99-66d32ff31… ↗
metadata API · from data nasa gov
Topics
- From keywords
- Astronomy & Astrophysics · Earth & Environmental Science · Ocean & Atmospheric Science · Physics
Provenance · 1 source records, 12 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| NASA Data Portal | 52ef1a34-7533-4ee5-ba99-66d32ff31472 | 7 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].anzsrc:group:3707 | enrichment · data nasa gov | taxonomy-embedding@1.0.0 | title+keywords+description (70%) |
| concepts[field].local:field:astronomy | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:earth-environmental | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:ocean-atmospheric | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[field].local:field:physics | mapping · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| concepts[modality].local:modality:imaging | enrichment · data nasa gov | keyword-concept-rules@1.0.0 | title+description (75%) |
| created_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| description | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /notes |
| license_text | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| publication_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 | |
| title | source · data nasa gov | connector:data_nasa_gov@1.0.0 | /title |
| updated_date | source · data nasa gov | connector:data_nasa_gov@1.0.0 |