MODIS/Terra+Aqua BRDF/Albedo Model Parameters 16-Day L3 Global 500m SIN Grid V005

EDG Data Set Name	ShortName
MODIS/Terra+Aqua BRDF/Albedo Model Parameters 16-Day L3 Global 500m SIN Grid V005	MCD43A1

Version	Acquisition Range	Science Quality Status
005	February 24, 2000 -	Validated Stage 1 from 02/24/2000

V005 MCD43A1 Changes (abbreviated Points of Interest below)

V005 MCD43A1 Science Data Sets (specifications for data layers)

V005 MCD43A1 Quality Information

MODIS Image

0...0.05...0.10...0.15...0.20...0.25...0.30...0.35...0.40...0.45...0.50
Data Set Characteristics:

Area: ~10 degrees x 10 degrees lat/long
File Size: ~41 MB
Projection: Sinusoidal
Data Format: HDF-EOS
Dimensions: 2400 x 2400 rows/columns
Resolution: 500 meters
Science Data Sets (SDS HDF Layers): 11

The image is a representation of the first of the three model parameters used to reconstruct surface anisotropic effects and thus correct directional reflectances to a common view geometry, or to compute integrated albedos. The colors describe isotropic weighting parameters for data acquired between February 26 and March 13, 2001 over Central America including the Yucatan Peninsula, El Salvador, Honduras, Nicaragua, and some of Costa Rica (h09v07).

V005 Change Points of Interest:

500-m product now available

Quality information stored as a separate product (MCD43A2)

4D Science Data Sets simplified to 3D BIP structure

Reduced file volume: internal compression

Phased production strategy: Produced every 8 days with 16-days of acquisition (ie., production period 2001001 includes acquisition between Days 001 and 016, production period 2001009 includes acquisition between Days 009 and 024)

Product Description

The MODerate-resolution Imaging Spectroradiometer (MODIS) BRDF/Albedo Model Parameters product (MCD43A1) contains three-dimensional (3D) data sets providing users with weighting parameters for the models used to derive the Albedo and BRDF products (MCD43A3 and MCD43A4). The models support the spatial relationship and parameter characterization best describing the differences in radiation due to the scattering (anisotropy) of each pixel, relying on multi-date, atmospherically corrected, cloud-cleared input data measured over 16-day periods.

Both Terra and Aqua data are used in the generation of this product, providing the highest probability for quality input data and designating it as an “MCD,” meaning “Combined,” product.

Version-5 MODIS/Terra+Aqua BRDF/Albedo products are Validated Stage 1, meaning that accuracy has been estimated using a small number of independent measurements obtained from selected locations and time periods and ground-truth/field program efforts. Although there may be later improved versions, these data are ready for use in scientific publications.

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Data Center:

LPDAAC

Sensor:

MODIS

Dataset:

MODIS/Terra+Aqua BRDF/Albedo Model Parameters 16-Day L3 Global 500m SIN Grid V005

Spatial:

HORIZONTALTILENUMBER Max/Min VERTICALTILENUMBER Max/Min

Geographic Extent:

Type Lat/Long Range or Draw on Map

Temporal Extent:

2000-02-24 to present

Product Information

Product Description
(http://modis-land.gsfc.nasa.gov/brdf.htm)

User Guide
http://www-modis.bu.edu/brdf/userguide/index.html

Algorithm Theoretical Basis Document (ATBD)
(http://modis.gsfc.nasa.gov/data/atbd/atbd_mod09.pdf)

MODIS Standard Data Products Catalog
(http://modis.gsfc.nasa.gov/data/dataprod/index.php)

EOS Data Products Handbook Volume 1 (2000)
(http://eospso.gsfc.nasa.gov/eos_homepage/for_scientists/data_products/vol1.php)

Contact Information

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Last Update: Wednesday, September 26, 2007
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