Combined ASTER and MODIS Emissivity database over Land (CAMEL) Coefficient Climatology Monthly Global 0.05Deg V003
The NASA Making Earth System Data Records for Use in Research Environments ([MEaSUREs](https://earthdata.nasa.gov/about/competitive-programs/measures)) Combined Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) and Moderate Resolution Imaging Spectroradiometer (MODIS) Emissivity for Land (CAMEL) data suite has been expanded to include a monthly global coefficient climatology product (CAM5K30CFCLIM). The product is provided at 0.05 degree (~5 kilometer) resolution. The CAMEL Principal Components Analysis (PCA) input coefficients utilized in the CAMEL high spectral resolution (HSR) algorithm are provided in the CAM5K30CFCLIM data product. This HSR algorithm is accessible in both [MATLAB](https://lpdaac.usgs.gov/documents/2233/MATLAB_Source_Code.tar.gz) and [FORTRAN](https://lpdaac.usgs.gov/documents/2234/FORTRAN_Source_Code.tar.gz) programming languages, and it corresponds with the temporally equivalent [CAM5K30EMCLIM](https://doi.org/10.5067/MEaSUREs/LSTE/CAM5K30EMCLIM.003) emissivity data product. The HSR emissivity spectra for the same month each year and each unique combination of lab dataset version and number of Principal Components (PC)s are first computed independently and then combined via a weighted average. The weighted average over 2003 through 2021 (19 years) defines the weights by the number of samples from each unique combination. Additional details regarding the methodology are available in the User Guide and Algorithm Theoretical Basis Document (ATBD).Provided in the CAM5K30CFCLIM product are variables for PCA coefficients, the weights and sample numbers of the climatology coefficients used in the average calculation, sets of the number of PCA coefficients, laboratory version numbers, latitude, longitude, and land flag information. PCA coefficients depend on the lab PC data version and the number of PCs used.
Complete Metadata
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|---|---|
| accessLevel | public |
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| description | The NASA Making Earth System Data Records for Use in Research Environments ([MEaSUREs](https://earthdata.nasa.gov/about/competitive-programs/measures)) Combined Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) and Moderate Resolution Imaging Spectroradiometer (MODIS) Emissivity for Land (CAMEL) data suite has been expanded to include a monthly global coefficient climatology product (CAM5K30CFCLIM). The product is provided at 0.05 degree (~5 kilometer) resolution. The CAMEL Principal Components Analysis (PCA) input coefficients utilized in the CAMEL high spectral resolution (HSR) algorithm are provided in the CAM5K30CFCLIM data product. This HSR algorithm is accessible in both [MATLAB](https://lpdaac.usgs.gov/documents/2233/MATLAB_Source_Code.tar.gz) and [FORTRAN](https://lpdaac.usgs.gov/documents/2234/FORTRAN_Source_Code.tar.gz) programming languages, and it corresponds with the temporally equivalent [CAM5K30EMCLIM](https://doi.org/10.5067/MEaSUREs/LSTE/CAM5K30EMCLIM.003) emissivity data product. The HSR emissivity spectra for the same month each year and each unique combination of lab dataset version and number of Principal Components (PC)s are first computed independently and then combined via a weighted average. The weighted average over 2003 through 2021 (19 years) defines the weights by the number of samples from each unique combination. Additional details regarding the methodology are available in the User Guide and Algorithm Theoretical Basis Document (ATBD).Provided in the CAM5K30CFCLIM product are variables for PCA coefficients, the weights and sample numbers of the climatology coefficients used in the average calculation, sets of the number of PCA coefficients, laboratory version numbers, latitude, longitude, and land flag information. PCA coefficients depend on the lab PC data version and the number of PCs used. |
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| identifier | 10.5067/MEaSUREs/LSTE/CAM5K30CFCLIM.003 |
| keyword |
[
"earth-science-snow-ice-terrestrial-hydrosphere-snow-cover",
"earth-science-surface-radiative-properties-land-surface-emissivity",
"earth-science-vegetation-biosphere-vegetation-index"
]
|
| landingPage | https://search.earthdata.nasa.gov/search?q=C3274449168-LPCLOUD |
| modified | 2026-02-10 |
| programCode |
[
"026:000"
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| publisher |
{
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|
| spatial |
"[[{"NorthBoundingCoordinate":90,"WestBoundingCoordinate":-180,"EastBoundingCoordinate":180,"SouthBoundingCoordinate":-90}],"CARTESIAN"]"
|
| temporal | 2003-01-01/2003-01-01 |
| theme |
[
"Earth Science"
]
|
| title | Combined ASTER and MODIS Emissivity database over Land (CAMEL) Coefficient Climatology Monthly Global 0.05Deg V003 |
