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Remote sensing assessment of sediment variation in the Pearl River Estuary induced by Typhoon Vicente
Ye, HB; Chen, CQ; Tang, SL; Tian, LQ; Sun, ZH; Yang, CY; Liu, FF; cqchen@scsio.ac.cn
2014
Source PublicationAQUATIC ECOSYSTEM HEALTH & MANAGEMENT
ISSN1463-4988
Volume17Issue:3Pages:271-279
AbstractA 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.
Department[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
KeywordTyphoon Total Suspended Solid Concentration
Subject AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources
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Indexed Bysci
Funding ProjectLTO
WOS IDWOS:000342280800009
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/10529
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorcqchen@scsio.ac.cn
Recommended Citation
GB/T 7714
Ye, HB,Chen, CQ,Tang, SL,et al. Remote sensing assessment of sediment variation in the Pearl River Estuary induced by Typhoon Vicente[J]. AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,2014,17(3):271-279.
APA Ye, HB.,Chen, CQ.,Tang, SL.,Tian, LQ.,Sun, ZH.,...&cqchen@scsio.ac.cn.(2014).Remote sensing assessment of sediment variation in the Pearl River Estuary induced by Typhoon Vicente.AQUATIC ECOSYSTEM HEALTH & MANAGEMENT,17(3),271-279.
MLA Ye, HB,et al."Remote sensing assessment of sediment variation in the Pearl River Estuary induced by Typhoon Vicente".AQUATIC ECOSYSTEM HEALTH & MANAGEMENT 17.3(2014):271-279.
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