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

Identification info

Metadata Language: English (en)

Dataset Reference Date (): 2021-04-15T14:04:01

Dataset Reference Date (): 2021-04-15T14:04:01

Identifier: http://catalogue.ceda.ac.uk/uuid/051d6075847747329a987b2175f2affc

Identifier: National Aeronautics and Space Administration (NASA) / 051d6075847747329a987b2175f2affc

National Aeronautics and Space Administration (NASA) - author

USA

NERC EDS Centre for Environmental Data Analysis - custodian

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

NERC EDS Centre for Environmental Data Analysis - distributor

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

NERC EDS Centre for Environmental Data Analysis - point_of_contact

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

National Aeronautics and Space Administration (NASA) - publisher

USA

Maintenance and update frequency: asNeeded

Update scope: dataset

Keywords

Atmospheric Correction
MODIS
MAIAC
Bidirectional Surface reflectance
Aerosols

GEMET - INSPIRE themes, version 1.0 ()

orthoimagery

Limitations on Public Access: otherRestrictions

Other constraints: Public data: access to these data is available to both registered and non-registered users.

Use constraints: otherRestrictions

Other constraints: Use of these data is covered by the following licence: 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.

Spatial representation type: grid

Topic category

Imagery base maps earth cover

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Begin date: 2000-02-23T23:55:00

Code: WGS 84

Distribution Information

Data format

HDF ()

Resource Locator: CEDA Data Catalogue Page
Detail and access information for the resource

Resource Locator: DOWNLOAD
Download Data

Resource Locator: LAADS DAAC - Search for Product Files
No further details.

Resource Locator: LAADS DAAC - Data Archive
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Resource Locator: Product Quality Documentation for MCD19A2, C6
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Resource Locator: LAADS DAAC - Multi-Angle Implementation of Atmospheric Correction for MODIS Algorithm Theoretical Basis Document
No further details.

Name: MODIS MAIAC User Guide

Description: No further details.

Function: information

Resource Locator: MODIS MAIAC validation status
No further details.

Resource Locator: LAADS DAAC - Collection 6 File Specification
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Resource Locator: Dataset DOI
No further details.

Resource Locator: CEDA Data Catalogue Page
Detail and access information for the resource

Resource Locator: DOWNLOAD
Download Data

Resource Locator: LAADS DAAC - Search for Product Files
No further details.

Resource Locator: LAADS DAAC - Data Archive
No further details.

Resource Locator: Product Quality Documentation for MCD19A2, C6
No further details.

Resource Locator: LAADS DAAC - Multi-Angle Implementation of Atmospheric Correction for MODIS Algorithm Theoretical Basis Document
No further details.

Name: MODIS MAIAC User Guide

Description: No further details.

Function: information

Resource Locator: MODIS MAIAC validation status
No further details.

Resource Locator: LAADS DAAC - Collection 6 File Specification
No further details.

Resource Locator: Dataset DOI
No further details.

Quality Scope: dataset

Report

Dataset Reference Date (): 2010-12-08

Statement: 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 (en)

Character set: 8-bit variable size UCS Transfer Format, based on ISO/IEC 10646

Resource type: dataset

Metadata Date: 2022-07-28T23:43:30

Metadata standard name: UK GEMINI

Metadata standard version: 2.3

NERC EDS Centre for Environmental Data Analysis

RAL Space , STFC Rutherford Appleton Laboratory, Harwell Campus , Didcot , OX11 0QX , United Kingdom

01235446432

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