Preliminary validation of GLASS-DSSR products using surface measurements collected in arid and semi-arid regions of China
作者： Guanghui Huang , Weizhen Wang , Xiaotong Zhang , Shunlin Liang , Shaomin Liu
DOI: 10.1080/17538947.2013.825655
关键词:
摘要: Global Land Surface Satellite-downward surface shortwave radiation (GLASS-DSSR) products have been routinely produced from 2008–2010 based on an improved look-up table algorithm, which explicitly accounts for the variations of cloud optical depth, water vapor content, and elevation. In this study, we validated assessed accuracy these in arid semiarid regions China. Toward goal, observation data-sets provided by Arid Semiarid Region Collaborative Observation Project as well four other metrological sites were collected, chosen, preprocessed final validation. Due to possible effect spatial collocation strong adjacency pixel instantaneous products, used a more sophisticated validating scheme order reduce impacts effects much possible. Evidences indicate that GLASS-DSSR are considerably accurate over most parts China, but complex terrain areas product...
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