BGS Hosted Metadata
MCD19A2 - MODIS/Terra+Aqua Land Aerosol Optical Depth Daily L2G Global 1km SIN Grid
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/MCD19A2
MCD19A2 is the shortname for the Multi-Angle Implementation of Atmospheric Correction (MAIAC) algorithm-based Level-2 gridded (L2G) aerosol optical thickness over land surfaces product. Derived using both Terra and Aqua MODIS inputs, this L2 product is produced daily at 1 km pixel resolution. This product helps generate a number of atmospheric and geometric properties/parameters that are used to produce another facet of the MAIAC algorithm: the land surface Bidirectional Reflectance Factor.
The MCD19A2 product contains two data groups with the following Science Data Set parameters:
Grid500m groupAerosol Optical Depth at 047 micronAerosol Optical Depth at 055 micronAOD Uncertainty at 047 micronFine-Mode Fraction for OceanColumn Water Vapor in cm liquid waterAOD QAAOD Model (Regional background model used)Injection Height (Smoke injection height over local surface height)Grid5km groupCosine of Solar Zenith AngleCosine of View Zenith AngleRelative Azimuth AngleScattering AngleGlint Angle
The MCD19A2 product has achieved Stage-3 validation.
Shortname: MCD19A2 , Platform: Combined Aqua Terra , Instrument: MODIS , Processing Level: Level-2 Tiled , Spatial Resolution: 1 km , Temporal Resolution: daily , ArchiveSets: 6 , Collection: MODIS Collection 6 (ArchiveSet 6) , PGE Number: PGE113 , File Naming Convention: MCD19A2.AYYYYDDD.hHHvVV.CCC.YYYYDDDHHMMSS.hdf YYYYDDD = Year and Day of Year of acquisition hHH = Horizontal tile number (0-35) vVV = Vertical tile number (0-17) CCC = Collection number YYYYDDDHHMMSS = Production Date and Time , Citation: Alexi Lyapustin - NASA GSFC, Yujie Wang - Univeristy of Maryland Baltimore County and MODAPS SIPS - NASA. (2015). MCD19A2 MODIS/Terra+Aqua Aerosol Optical Thickness Daily L2G Global 1km SIN Grid. NASA LP DAAC. http://doi.org/10.5067/MODIS/MCD19A2.006 , Keywords: Atmospheric Correction, MODIS, MAIAC, Bidirectional Surface reflectance, Aerosols
Simple
- Date (Publication)
- 2021-04-15T14:04:01
- Date (Creation)
- 2021-04-15T14:04:01
- Citation identifier
- https://catalogue.ceda.ac.uk/uuid/051d6075847747329a987b2175f2affc
- Citation identifier
- National Aeronautics and Space Administration (NASA) / 051d6075847747329a987b2175f2affc
- Point of contact
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Organisation name Individual name Electronic mail address Role National Aeronautics and Space Administration (NASA)
unknown
Author NERC EDS Centre for Environmental Data Analysis
Custodian NERC EDS Centre for Environmental Data Analysis
Distributor National Aeronautics and Space Administration (NASA)
unknown
Principal investigator National Aeronautics and Space Administration (NASA)
unknown
Principal investigator NERC EDS Centre for Environmental Data Analysis
pointofContact National Aeronautics and Space Administration (NASA)
unknown
Publisher
- Maintenance and update frequency
- As needed
- Update scope
- Dataset
- Keywords
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Atmospheric Correction
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MODIS
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MAIAC
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Bidirectional Surface reflectance
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Aerosols
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GEMET - INSPIRE themes, version 1.0
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orthoimagery
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- Access constraints
- Other restrictions
- Other constraints
- Public data: access to these data is available to both registered and non-registered users.
- Use constraints
- Other restrictions
- Spatial representation type
- Grid
- Language
- English
- Topic category
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- Imagery base maps earth cover
))
- Begin date
- 2000-02-23T23:55:00
- Unique resource identifier
- WGS 84
- Distribution format
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Name Version HDF
- Distributor contact
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Organisation name Individual name Electronic mail address Role NERC EDS Centre for Environmental Data Analysis
Distributor
- OnLine resource
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Protocol Linkage Name https://catalogue.ceda.ac.uk/uuid/051d6075847747329a987b2175f2affc CEDA Data Catalogue Page
- OnLine resource
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Protocol Linkage Name http://data.ceda.ac.uk/neodc/modis/data/MCD19A2 DOWNLOAD
- OnLine resource
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Protocol Linkage Name https://ladsweb.modaps.eosdis.nasa.gov/search/order/2/MCD19A2--6 LAADS DAAC - Search for Product Files
- OnLine resource
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Protocol Linkage Name https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/6/MCD19A2/ LAADS DAAC - Data Archive
- OnLine resource
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Protocol Linkage Name http://landweb.nascom.nasa.gov/cgi-bin/QA_WWW/detailInfo.cgi?prod_id=MCD19A2&ver=C6 Product Quality Documentation for MCD19A2, C6
- OnLine resource
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Protocol Linkage Name https://ladsweb.modaps.eosdis.nasa.gov/missions-and-measurements/modis/MAIAC_ATBD_v1.pdf LAADS DAAC - Multi-Angle Implementation of Atmospheric Correction for MODIS Algorithm Theoretical Basis Document
- OnLine resource
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Protocol Linkage Name http://landval.gsfc.nasa.gov/ProductStatus.php?ProductID=MCD19A2 MODIS MAIAC validation status
- OnLine resource
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Protocol Linkage Name https://ladsweb.modaps.eosdis.nasa.gov/filespec/MODIS/6/MCD19A2 LAADS DAAC - Collection 6 File Specification
- OnLine resource
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Protocol Linkage Name http://dx.doi.org/10.5067/MODIS/MCD19A2.006 Dataset DOI
- Hierarchy level
- Dataset
Conformance result
- Title
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Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Date (Publication)
- 2010-12-08
- Statement
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Data were downloaded from https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/ to support UK research groups, especially NCEO.
Metadata
- File identifier
- 051d6075847747329a987b2175f2affc XML
- Metadata language
- English
- Character set
- UTF8
- Hierarchy level
- Dataset
- Date stamp
- 2026-03-09T03:22:17
- Metadata standard name
- UK GEMINI
- Metadata standard version
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2.3
- Metadata author
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Organisation name Individual name Electronic mail address Role NERC EDS Centre for Environmental Data Analysis
Point of contact
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