IOCAS-IR  > 海洋环流与波动重点实验室
Influence of Typhoon Matsa on Phytoplankton Chlorophyll-a off East China
Zhao, Hui1; Shao, Jinchao1; Han, Guoqi2; Yang, Dezhou3,4; Lv, Jianhai5
2015-09-25
Source PublicationPLOS ONE
Volume10Issue:9Pages:0
SubtypeArticle
AbstractTyphoons can cause strong disturbance, mixing, and upwelling in the upper layer of the oceans. Rich nutrients from the subsurface layer can be brought to the euphotic layer, which will induce the phytoplankton to breed and grow rapidly. In this paper, we investigate the impact of an intense and fast moving tropical storm, Typhoon Matsa, on phytoplankton chlorophyll-a (Chl-a) concentration off East China. By using satellite remote sensing data, we analyze the changes of Chl-a concentration, Sea Surface Temperature (SST) and wind speed in the pre- and post-typhoon periods. We also give a preliminary discussion on the different responses of the Chl-a concentration between nearshore and offshore waters. In nearshore/coastal regions where nutrients are generally rich, the Chl-a maximum occurs usually at the surface or at the layer close to the surface. And, in offshore tropical oligotrophic oceans, the subsurface maxima of Chl-a exist usually in the stratified water column. In an offshore area east of Taiwan, the Chl-a concentration rose gradually in about two weeks after the typhoon. However, in a coastal area north of Taiwan high Chl-a concentration decreased sharply before landfall, rebounded quickly to some degree after landfall, and restored gradually to the pre-typhoon level in about two weeks. The Chl-a concentration presented a negative correlation with the wind speed in the nearshore area during the typhoon, which is opposite to the response in the offshore waters. The phenomena may be attributable to onshore advection of low Chl-a water, coastal downwelling and intensified mixing, which together bring pre-typhoon surface Chl-a downward in the coastal area. In the offshore area, the typhoon may trigger increase of Chl-a concentration through uptake of nutrients by typhoon-induced upwelling and entrainment mixing.
DOI10.1371/journal.pone.0137863
Indexed BySCI
Language英语
WOS IDWOS:000361800700026
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/50943
Collection海洋环流与波动重点实验室
Affiliation1.Guangdong Ocean Univ, Guangdong Key Lab Climate Resource & Environm Con, Coll Ocean & Meteorol, Zhanjiang, Peoples R China
2.Fisheries & Oceans Canada, Northwest Atlantic Fisheries Ctr, St John, NF, Canada
3.Chinese Acad Sci, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
5.Marine & Fishery Environm Monitoring Ctr Guangzho, Guangzhou, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Hui,Shao, Jinchao,Han, Guoqi,et al. Influence of Typhoon Matsa on Phytoplankton Chlorophyll-a off East China[J]. PLOS ONE,2015,10(9):0.
APA Zhao, Hui,Shao, Jinchao,Han, Guoqi,Yang, Dezhou,&Lv, Jianhai.(2015).Influence of Typhoon Matsa on Phytoplankton Chlorophyll-a off East China.PLOS ONE,10(9),0.
MLA Zhao, Hui,et al."Influence of Typhoon Matsa on Phytoplankton Chlorophyll-a off East China".PLOS ONE 10.9(2015):0.
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