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The accuracy of atmospheric trace gas retrievals depends directly on the accuracy of the molecular absorption model used within the retrieval algorithm. For remote sensing of well-mixed gases, such as carbon dioxide (CO2), where the atmospheric variability is small compared to the background, the quality of the molecular absorption model is key.Recent updates to the 1.6µm and 2.06µm CO2 absorption...
To obtain downward longwave radiation (DLR) product at high resolution and good quality, a method of calculating global DLR was proposed. Global geostationary and polar-orbiting satellite observations were used to cover the whole world, and several DLR algorithms and two atmospheric datasets were combined used to satisfy different conditions. The global DLR at 5 km was produced using Multi-source...
The atmospheric downward longwave radiation (DLR) is a key variable of land surface energy budget. In this study, the clear-sky DLR at high spatial resolution in Heihe River Basin was estimated from MODIS data, and three algorithms containing empirical and hybrid methods were compared. Compared with field measurement, the Idso scheme and Tang's scheme had relatively better performance than Wang's...
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