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| EDG Data Set Name | Granule Shortname |
|---|---|
| MODIS/Terra Albedo 16-Day L3 Global 0.05Deg CMG | MOD43C1 |
| Version | Acquisition Range | Science Quality Status |
|---|---|---|
| V003 | August 29, 2002 (2002241) - October 7, 2002 (2002280) | Provisional as of Nov 1, 2000 |
| V004 | February 18, 2000 (2000049) | Validated Stage 1 as of February 18, 2000 |
Data Set Characteristics
Area = Global
Image Dimensions = 3 (3600x7200x10 row/column/band)
Average File Size = ~46 MB
Resolution = 0.05 degree (~5 km)
Projection = Latitude/Longitude Grid
Data Type Albedo = 16-bit Signed Integer
Data Type Quality = 32-bit Unsigned Integer
Data Format = HDF-EOS
Science Data Sets (SDS) = 3
Product Description
The MODerate-resolution Imaging Spectroradiometer (MODIS) Bidirectional Reflectance Distribution Function (BRDF)/Albedo products describe how land surfaces appear under perfect scattering conditions without the influence of view angle. Every 16 days, the BRDF/Albedo algorithm relies on multidate, atmospherically corrected, cloud-cleared data and a semiempirical kernel-driven bidirectional reflectance model to determine a global set of parameters describing the BRDF of the land surface. These one kilometer gridded parameters are then used to determine directional hemispherical reflectance ("black-sky albedo"), bihemispherical reflectance ("white-sky albedo"), and nadir BRDF-adjusted reflectance (NBAR) for seven spectral bands and (in the case of albedo) three broad bands. By providing model parameters and extensive quality information, the MODIS BRDF/Albedo products offer the global remote sensing and modeling community the additional flexibility to derive reflectance and albedo measures particularly suited to their specific applications. BRDF/Albedo products are provided globally as discrete 1200 by 1200 element tiles in a Sinusoidal Grid projection (MOD43Bs) and on 0.05 degree Climate Model Grids (MOD43Cs), both in HDF-EOS format.The MODIS/Terra Albedo 16-day L3 Global 0.05Deg CMG product, MOD43C1, provides measures of Earth's white-sky and black-sky albedo. These measures are derived averages computed from the 1 km global albedo product (MOD43B3), projected into a Climate Model Grid.
The MOD43C1 image above is an example of the global albedo data offered in this product. The rainbow color scheme marks high albedo areas, such as the sands of the Sahara Desert, in blues, while lower albedos, such as the dense forests of northern Europe, are displayed in reds.
NOTE:These products are validated, meaning that product uncertainties are well defined over a range of representative conditions. Although there may be later improved versions, these data are ready for use in scientific publications.
| SDS | UNITS | DATA TYPE -bit | FILL VALUE | VALID RANGE | SCALING FACTOR | CALIBRATED NT |
|---|---|---|---|---|---|---|
| Global Black Sky Albedo | Albedo | 16-bit signed integer | 32767 | 0-32766 | 0.001 | 5 |
| Global White Sky Albedo | Albedo | 16-bit signed integer | 32767 | 0-32766 | 0.001 | 5 |
| Aggregated Albedo Quality | Flags | 32-bit unsigned integer | 4294967295 | 0-4294967294 | na | na |
*MODIS BRDF/Albedo QA Science Data Sets
View a Version Formatted for Printing
Retrieve the MOD43C3v4 MODIS product through the LP DAAC Data Pool
Via Search Tool: http://e4eil01u.ecs.nasa.gov:22000/WebAccess/drill?attrib=esdt&esdt=MOD43C3.4&group=MOLT
Via FTP Directory: ftp://e4ftl01u.ecs.nasa.gov/MOLT/MOD43C3.004/
Order These Data through the EOS Data Gateway
MODIS/TERRA BRDF/ALBEDO PARAMETERS 16-DAY L3 GLOBAL 0.25DEG CMG V003
EOS Data Gateway Search Tips
| Data Center: | LPDAAC |
|---|---|
| Sensor: | MODIS |
| Dataset: | MODIS/Terra Albedo 16-Day L3 Global 0.05Deg CMG |
| Spatial: | HORIZONTALTILENUMBER Max/Min VERTICALTILENUMBER Max/Min |
| Geographic Extent: | Type Lat/Long Range or Draw on Map |
| Temporal Extent: | 2000-02-18 to present |
Product Information
Contact Information
|
LP DAAC User Services U.S. Geological Survey (USGS) Earth Resources Observation and Science Center (EROS) 47914 252nd Street Sioux Falls, SD 57198-0001 |
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|---|---|
| Phone: | 605-594-6116 |
| Toll Free: | 866-573-3222 |
| 866-LPE-DAAC | |
| Fax: | 605-594-6963 |
| Email: | LPDAAC@eos.nasa.gov |
| Web: | http://LPDAAC.usgs.gov |
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