8.4. Ground validation networks and existing satellite-derived surface longwave radiation budget products
Quantifying the surface longwave radiation budget with high accuracy is a fundamental prerequisite for reliable weather prediction, climate simulation, and land surface modeling (Wild et al., 2001). The meteorological, hydrological, and agricultural research communities require an accuracy of 5–10
W/m2 for the surface longwave radiation budget retrieved from satellite data at spatial resolutions from 25 to 100
km and temporal resolutions from 3
h to 1
day (CEOS and WMO, 2000; GCOS, 2006; GEWEX, 2002). However, there is no global surface longwave radiation budget dataset that meets these requirements. Section 8.4.1 presents the existing ...
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