Validation of the Surface Daytime Net Radiation Product From Version 4.0 GLASS Product Suite

被引:20
|
作者
Jiang, Bo [1 ,2 ,3 ]
Liang, Shunlin [4 ,5 ]
Jia, Aolin [4 ]
Xu, Jianglei [1 ,2 ,3 ]
Zhang, Xiaotong [1 ,2 ,3 ]
Xiao, Zhiqiang [1 ,2 ,3 ]
Zhao, Xiang [1 ,2 ,3 ]
Jia, Kun [1 ,2 ,3 ]
Yao, Yunjun [1 ,2 ,3 ]
机构
[1] Beijing Normal Univ, State Key Lab Remote Sensing Sci, Beijing 100875, Peoples R China
[2] Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Beijing 100875, Peoples R China
[3] Beijing Normal Univ, Fac Geog Sci, Beijing Engn Res Ctr Global Land Remote Sensing P, Inst Remote Sensing Sci & Engn, Beijing 100875, Peoples R China
[4] Univ Maryland, Dept Geog Sci, College Pk, MD 20742 USA
[5] Wuhan Univ, Sch Remote Sensing Informat Engn, Wuhan 430072, Hubei, Peoples R China
关键词
Global LAnd Surface Satellite (GLASS); net radiation; product; remote sensing; SHORTWAVE RADIATION;
D O I
10.1109/LGRS.2018.2877625
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
摘要
The daytime surface net radiation (R-n) product from version 4.0 Global LAnd Surface Satellite (GLASS) product suite was recently generated from Moderate Resolution Imaging Spectroradiometer data. It is the daytime average product of R-n derived from 2000 to 2015 at a spatial resolution of 0.05 degrees. This letter describes the results of validation of this new R-n product using ground measurements collected from 142 sites distributed worldwide. The overall accuracy of the GLASS daytime R-n product was satisfactory, with an R-2 of 0.80, root-mean-square error of 51.35 Wm(-2), and mean bias error of 0.11 Wm(-2). Its accuracy and quality were highly consistent for different land cover classes and elevation zones.
引用
收藏
页码:509 / 513
页数:5
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