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عمران::
دمای سطح زمین
Here we present a new approach combining satellite observations of land surface temperature and rainfall.
We consider the evolution of remotely sensed land surface temperature (LST) with respect to near- surface air temperature (Ta) as an indirect measure of surface energy partition.
We use satellite and reanalysis data to quantify the dry spell evolution of LST relative to Ta globally.
We have analyzed clear-sky daytime LST from the Moderate Resolution Imaging Spectroradiometer (MODIS) on board Terra and Aqua satellites available since 2000 and 2002, respectively.
Daytime acquisitions were regridded to a 0.01° equal-angle LST product; where multiple observations exists on any given day and grid box, only the observation with the lowest satellite viewing angle was used.
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