Remote sensing oceanography of a harmful algal bloom off the coast of southeastern Vietnam

CORC > 南海海洋研究所 > 中国科学院南海海洋研究所 > 热带海洋环境国家重点实验室(LTO)

	Remote sensing oceanography of a harmful algal bloom off the coast of southeastern Vietnam
	Tang, DL ; Kawamura, H ; Doan-Nhu, H ; Takahashi, W
刊名	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
	2004
卷号	109 期号:C3 页码:-C3015
关键词	harmful algal bloom (HAB) satellite remote sensing upwelling SeaWiFS chlorophyll a AVHRR SST South China Sea
ISSN号	0148-0227
通讯作者	lingzistdl@yahoo.com ; kamu@ocean.caos.tohoku.ac.jp
中文摘要	[ 1] Harmful algal blooms (HABs) in the southeastern Vietnamese coastal waters have caused large economic losses in aquacultured and wild fisheries in recent years; however, there have been few oceanographic studies on these HAB events. The present study reports an extensive HAB off southeastern Vietnamese waters during late June to July 2002 with in situ observations and analyzes the oceanographic conditions using satellite remote sensing data. The HAB had high chlorophyll a ( Chl a) concentrations ( up to 4.5 mg m-3) occurring -200 km off the coast and -200 km northeast of the Mekong River mouth for a period of -6 weeks. The bloom was dominated by the harmful algae haptophyte Phaeocystis cf. globosa and caused a very significant mortality of aquacultured fish and other marine life. In the same period, sea surface temperature (SST) imagery showed a cold water plume extending from the coast to the open sea, and QuikScat data showed strong southwesterly winds blowing parallel to the coastline. This study indicated that the HAB was induced and supported by offshore upwelling that brings nutrients from the deep ocean to the surface and from coastal water to offshore water and that the upwelling was driven by strong wind through Ekman transport when winds were parallel to the coastline. This study demonstrated the possibility of utilizing a combination of satellite data of Chl a, SST, and wind velocity together with coastal bathymetric information and in situ observations to give a better understanding of the biological oceanography of HABs.
学科主题	Oceanography
收录类别	SCI
原文出处	AMER GEOPHYSICAL UNION
WOS记录号	WOS:000220225700002
公开日期	2011-07-03
内容类型	期刊论文
源URL	[http://ir.scsio.ac.cn/handle/344004/5661]
专题	南海海洋研究所_热带海洋环境国家重点实验室(LTO)
推荐引用方式 GB/T 7714	Tang, DL,Kawamura, H,Doan-Nhu, H,et al. Remote sensing oceanography of a harmful algal bloom off the coast of southeastern Vietnam[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2004,109(C3):-C3015.
APA	Tang, DL,Kawamura, H,Doan-Nhu, H,&Takahashi, W.(2004).Remote sensing oceanography of a harmful algal bloom off the coast of southeastern Vietnam.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,109(C3),-C3015.
MLA	Tang, DL,et al."Remote sensing oceanography of a harmful algal bloom off the coast of southeastern Vietnam".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 109.C3(2004):-C3015.