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Level 3 products
Land Surface Temperature (LST)
Land Surface Temperature (LST) is the mean radiative skin temperature of the land surface in the instrument’s field of view. It is derived from the thermal radiation as measured by the remote sensor. LST is an Essential Climate Variable (ECV) as recognized by the Global Climate Observing System (GCOS).
Normalized Difference Vegetation Index (NDVI)
NDVI is an indicator for the “greenness” of vegetation and thus closely linked to vegetation density and productivity. The NDVI value can range from -1 to +1.
Snow and Ice
The Snow and Ice Mask indicates pixels which are covered by snow and/or ice.
The Cloud Fraction (CFC) indicates the fraction of a pixel that is cloud covered.
The Cloud Phase (CP) indicates the phase of the cloud (water/ice).
The Cloud Top Temperature (CTT) indicates the temperature of the uppermost cloud layer (in K).
The Cloud Optical Thickness (COT) is the effective depth of a cloud from the viewpoint of radiation propagation and depends on wavelength.
The Cloud Effective Radius (REF) provides the cloud effective particle radius.
The Cloud Liquid/Ice Water Path (LWP/IWP) is the vertical integrated liquid water/ice content of existing cloud layers.
The Precipitation Likelihood indicates where precipitation is likely. This product is only available for regions outside the tropics.
Cloud Fraction, Cloud Top Temperature, Cloud Optical Thickness, Cloud Liquid/Ice Water Path (LWP/IWP) and Cloud Effective Radius are Essential Climate Variables (ECV) as recognized by the Global Climate Observing System (GCOS).
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