Validation of MERIS Case-2 Water Products in Lake Taihu, China

被引：12
|
作者：
Duan, Hongtao [1 ]
Ma, Ronghua [1 ]
Simis, Stefan G. H. [2 ]
Zhang, Yuanzhi [3 ]
机构：
[1] Chinese Acad Sci, Nanjing Inst Geog & Limnol, State Key Lab Lake Sci & Environm, Nanjing 210008, Jiangsu, Peoples R China
[2] Ctr Marine Res, Finnish Environm Inst SYKE, Helsinki 00560, Finland
[3] Chinese Univ Hong Kong, Inst Space & Earth Informat Sci, Hong Kong, Hong Kong, Peoples R China
来源：
GISCIENCE & REMOTE SENSING | 2012年 / 49卷 / 06期
基金：
中国国家自然科学基金;
关键词：
DISSOLVED ORGANIC-MATTER; ATMOSPHERIC CORRECTION; SCATTERING PROPERTIES; LIGHT-ABSORPTION; ALGORITHM; PHYTOPLANKTON; RETRIEVAL; PARTICLES; MODEL; OCEAN;
D O I：
10.2747/1548-1603.49.6.873
中图分类号：
P9 [自然地理学];
学科分类号：
0705 ; 070501 ;
摘要：
Three artificial neural network (ANN) processors available as plug-in modules for the Basic ERS & ENVISAT (A) ATSR and MERIS Toolbox (BEAM) were validated in Lake Taihu, China. Mean deviations of reflectance derived from Lakes\Boreal and Lakes\Eutrophic were 10-90%, while reflectance from the -FUB-WeW processor showed larger errors. All processors showed underestimates of chlorophyll a (Chl-a), total suspended matter (TSM), and phytoplankton pigment absorption, while particulate scattering values were severely overestimated. None of the readily available MERIS processors is currently able to separate atmospheric and water-leaving radiance over Lake Taihu, while the retrieval of phytoplankton biomass through ANN processors shows promise.
引用
收藏
页码：873 / 894
页数：22
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