AG5KMMON: ASTER Global Emissivity Dataset, Monthly, 0.05 degree, NetCDF4 V004

DOI

10.5067/Community/ASTER_GED/AG5KMMON.004

Product	Emissivity, Vegetation Indices
Dataset	ASTER GED
Dataset Version	4
Pixel Size	5600
Temporal Granularity	Monthly
Spatial Extent	Global

The AG5KMMON.004 dataset was decommissioned as of December 14, 2016. Users are encouraged to use Version 4.1 of ASTER Global Emissivity Dataset, Monthly, 0.05 degree, HDF5 (AG5KMMOH.041).

Description

Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) Global Emissivity Dataset (GED) is a collection of monthly files (see known issues for gaps) for each year of global emissivity. The ASTER GED data products are generated for 2000 – 2015 using the ASTER Temperature Emissivity Separation (TES) algorithm atmospheric correction method. This algorithm method uses Moderate Resolution Imaging Spectroradiometer (MODIS) Atmospheric Profiles product MOD07 and the MODTRAN 5.2 radiative transfer model along with the snow cover data from the standard monthly MODIS/Terra snow cover monthly global 0.05 degree product MOD10CM, and vegetation information from the MODIS monthly gridded NDVI product MOD13C2.

The National Aeronautics and Space Administration’s (NASA) Jet Propulsion Laboratory (JPL), California Institute of Technology, developed the ASTER GED product.

Improvements/Changes from Previous Versions

This V004 product incorporates an emissivity adjustment to the ASTER GED V003 product. See “The ASTER Global Emissivity Dataset (ASTER GED): Mapping Earth’s emissivity at 100 meter spatial scale” publication Section 4 for more information.

Citation

PI Name: Glynn Hulley, Simon Hook

DOI: 10.5067/Community/ASTER_GED/AG5KMMON.004

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Characteristics

Collection

Characteristic	Description
Temporal Granularity	Monthly
Temporal Extent	2000 - 2015
Spatial Extent	Global
File Size	~457 MB
Coordinate System	Geographic Latitude and Longitude
Datum	WGS84
File Format	NetCDF4
Geographic Dimensions	Entire Globe

Granule

Characteristic	Description
Number of Science Dataset (SDS) Layers	12
Columns/Rows	7200 x 3600
Pixel Size	5600 m

Data Layer Characteristics

SDS Name	Description	Units	Data Type	Fill Value	Valid Range	Scale Factor
emis10	Band 10 Emissivity - 8.3 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis11	Band 11 Emissivity - 8.6 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis12	Band 12 Emissivity - 9.1 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis13	Band 13 Emissivity - 10.6 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis14	Band 14 Emissivity - 11.3 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis10_err	Band 10 Emissivity Uncertainty - 8.3 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis11_err	Band 11 Emissivity Uncertainty - 8.6 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis12_err	Band 12 Emissivity Uncertainty - 9.1 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis13_err	Band 13 Emissivity Uncertainty - 10.6 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
emis14_err	Band 14 Emissivity Uncertainty - 11.3 μm	N/A	8-bit unsigned integer	0	1 to 255	0.002
NDVI	MODIS (MOD13C2) Normalized Difference Vegetation Index	N/A	16-bit unsigned integer	0	0 to 65535	0.001
QFlag	Quality Flag: 0 = Land 1 = Filled value 2 = Ocean	N/A	8-bit unsigned integer	N/A	0 to 255	N/A

Product Quality

ASTER GED Monthly V004 User Guide (NetCDF)

Known Issues

Since ASTER GED Monthly V004 uses MOD10CM as an input, there will be some months that were unable to be created due to missing data. Please see the MODIS/Terra Data Outages Webpage for more information.

E-Learning

There are no E-Learning items for this Product.