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学科主题: Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
题名: Remote sensing assessment of sediment variation in the Pearl River Estuary induced by Typhoon Vicente
作者: Ye, HB ; Chen, CQ ; Tang, SL ; Tian, LQ ; Sun, ZH ; Yang, CY ; Liu, FF
通讯作者: cqchen@scsio.ac.cn
关键词: typhoon ; total suspended solid concentration
刊名: AQUATIC ECOSYSTEM HEALTH & MANAGEMENT
发表日期: 2014
卷: 17, 期:3, 页:271-279
收录类别: sci
部门归属: [Ye, Haibin ; Chen, Chuqun ; Tang, Shilin ; Sun, Zhaohua ; Liu, Fenfen] Chinese Acad Sci, South China Sea Inst Oceanol, LTO, Guangzhou 510301, Guangdong, Peoples R China ; [Ye, Haibin ; Liu, Fenfen] Univ Chinese Acad Sci, Beijing 100039, Peoples R China ; [Tian, Liqiao] Wuhan Univ, State Key Lab Informat Engn Surveying Mapping & R, Wuhan 430079, Peoples R China ; [Yang, Chaoyu] State Ocean Adm, South China Sea Marine Predict Ctr, Guangzhou 510310, Guangdong, Peoples R China
项目归属: LTO
摘要: A MODIS-based algorithm was developed to investigate the impact of Typhoon Vicente on the total suspended solid concentration in the Pearl River Estuary. This algorithm used two high resolution bands at 645 nm and 555 nm to map the concentrations. Regression between the remote sensing reflectance and in situ total suspended solid concentration showed good correlation (R-2 = 0.91), indicating that the algorithm was valid for the high turbid waters in the Pearl River Estuary. MODIS-derived maps showed different total suspended solid concentration anomalies in different sub-regions of the estuary during the passage of Typhoon Vicente. In western inlets, the increase of total suspended solids (maximum values of 22.20 g m(-3) before and 55.71 g m(-3) after the typhoon) was possibly related to the larger rainfall discharge from the Pearl River. In Lingdingyang, the increase of total suspended solids (maximum values of 19.60 g m(-3) before and 44.59 g m(-3) after the typhoon) might be the result of typhoon-induced resuspension. In the southeastern portion of the Estuary, due to the typhoon-induced current, a significant decrease of total suspended solid area (decreased by 10 g m(-3)) was observed. Different changes were observed in different sub-regions under the influence of the typhoon, implying the complicated hydrological environment is an important feature in the Pearl River Estuary.
原文出处: 查看原文
WOS记录号: WOS:000342280800009
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10529
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Ye, HB; Chen, CQ; Tang, SL; Tian, LQ; Sun, ZH; Yang, CY; Liu, FF.Remote sensing assessment of sediment variation in the Pearl River Estuary induced by Typhoon Vicente,AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2014,17(3):271-279
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