Numerical study on the summertime patches of red tide in the adjacent sea of the Changjiang (Yangtze) River Estuary, China
文献类型： 外文期刊
作者： Qu, Dapeng 1 ; Yu, Huaming 1 ; Sun, Yuchen 5 ; Zhao, Yunxia 6 ; Wei, Qinsheng 2 ; Yu, Haiqing 7 ; Kelly, Ryan M. 9 ; Yuan 1 ;
作者机构： 1.Ocean Univ China, Coll Ocean & Atmospher Sci, Qingdao 266100, Shandong, Peoples R China
2.Minist Nat Resources, Inst Oceanog 1, Qingdao 266061, Shandong, Peoples R China
3.Minist Nat Resources, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China
4.Minist Educ, Key Lab Phys Oceanog, Qingdao 266003, Shandong, Peoples R China
5.Alfred Wegener Inst, Helmholtz Ctr Polar & Marine Res, Bussestr 24, D-27570 Bremerhaven, Germany
6.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Qingdao 266071, Shandong, Peoples R China
7.Ocean Univ China, Coll Fisheries, Qingdao 266003, Shandong, Peoples R China
8.Pilot Natl Lab Marine Sci & Technol Qingdao, Qingdao 266237, Shandong, Peoples R China
9.Rykell Sci Editorial LLC, Los Angeles, CA USA
关键词： Red tide; Changjiang (Yangtze) River Estuary; Changjiang diluted water; Taiwan warm current; Plume front; Numerical model
期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.553； 五年影响因子：5.907 ）
ISSN： 0025-326X
年卷期： 2019 年 143 卷
页码：
收录情况： SCI
摘要： High incident rates of red tide have occurred off the coast of the Changjiang (Yangtze) River Estuary in summer, resulting from a magnified population growth discharging substantial nutrient loads into this vicinity. The presence of elevated Chlorophyll-a concentrations (>= 36.3 mu g/l), low suspended sediment concentrations in surface and mid-layers (< 10 mg/l), a strong saline front and surface water temperature gradient, veering surface winds, and a bimodal shape to the Changjiang Diluted Water (CDW) revealed two red tide patches appearing between August 6-13, 2010. Two distinguishable hydrodynamic driving mechanisms, connected to these incidents, are diagnosed. Field observations and numerical simulations determined a red tide patch in the northeastern offshore area is caused by a northeast transport of the CDW truncated by a northwest intrusion of the Taiwan Warm Current (TWC) as winds deviated. Red tide occurrence in the southern nearshore area originated from a plume front where CDW interfaces with the TWC.
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