Keyword Analysis & Research: mod21

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How is the mod21 algorithm based on TES?

The MOD21 algorithm is based on the ASTER Temperature Emissivity Separation (TES) algorithm, which uses full radiative transfer simulations for the atmospheric correction, and an emissivity model based on the variability in the surface radiance data to dynamically retrieve both LST and spectral emissivity.

What kind of products are available in mod21?

The MOD21 product will include a swath (scene) Level-2 daily product, and daily and eight-day Level 3 gridded products in sinusoidal projection.

What is the difference between mod11 and mod21?

The MOD11 product is the heritage LST product and the MOD21 product is the new LST product generated beginning with the distribution of Collection 6. The two products emanate from two different methodologies and thus are two separate products.

What's the difference between mod11 and mod21 land surface temperature?

The MOD21 Land Surface Temperature (LST) algorithm differs from the MOD11 algorithm in that the MOD21 LST algorithm is based on the ASTER Temperature/Emissivity Separation (TES) technique, whereas the MOD11 uses the split-window technique.

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