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Study on interaction between the coastal water, shelf water and Kuroshio water in the Huanghai Sea and East china Sea

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Acta Oceanologica Sinica 2003年第3期22卷 351-367页

作者： binghuo guo, Xiaomin Hu, Xuejun Xiong, renfeng ge first institute of oceanography, state oceanic administration, qingdao 266061, china state Ocean Adm Inst Oceanog 1 Qingdao 266061 Peoples R China

The main processes of interaction between the coastal water, shelf water and Kuroshio water in the Huanghai Sea (HS) and East china Sea (ECS) are analyzed based on the observation and study results in recent years. These processes include the intrusion of the Kuroshio water into the shelf area of the ECS, the entrainment of the shelf water into the Kuroshio, the seasonal process in the southern shelf area of the ECS controlled alternatively by the Taiwan Strait water and the Kuroshio water intruding into the shelf area, the interaction between the Kuroshio branch water, shelf mixed water and modified coastal water in the northeastern ECS, the water-exchange between the HS and ECS and the spread of the Changjiang diluted water.

关键词： Huanghai Sea East china Sea coastal water shelf water Kuroshio water interaction

A study on the source of the Tsushima Warm Current water

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Acta Oceanologica Sinica 1991年第3期10卷 341-353页

作者： Song Wanxian, Lin Kui and guo binghuo first institute of oceanography, state oceanic administration, qingdao, 266003, china

On the basis of the hydrographic data in the area west of Kyushu from four cruises of R/V Xiangyanghong No. 9 from 1987 to 1988 , the circulation features in the investigation area are described and the source of the Tsushima Warm Current water (TWCW) is explored by using the observed and geostrophic current results and tracking the Kuroshio Subsurface High Salinity Core (KSHSC).

关键词： A study on the source of the Tsushima Warm Current water

A three-layer model for the thermal structure in the Huanghai Sea

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Acta Oceanologica Sinica 1990年第2期9卷 159-172页

作者： Wan Bangjun, guo binghuo and Chen Zeshi first institute of oceanography, state oceanic administration, P. O. Box 98, qingdao, china

A one-dimentional three-layer model for the thermal structure in the Huanghai Sea is presented in this study, me model consists of the upper mixed layer caused by heating and wind mixing, the lower mixed layer driven by tidal mixing, and the thermocline with certain thickness. The entrainment velocities of the upper and lower layers are obtained respectively. The results show that the model is capable of describing the development and decline processes of the seasonal thermocline in the Huanghai Sea, simulating successfully the Huanghai Sea Cold Water Mass, the nearshore front and surface cold water off North Jiangsu and explaining reasonably their formation mechanisms as well as the strong thermocline off qingdao. It is suggested that the tidal mixing plays key role in the formation of the nearshore front off North Jiangsu and the strong thermocline off qingdao. The wind mixing and the tidal mixing make the lower layer water with high nutrients go up to the upper layer. This physical process may be significant for biological plant production.

关键词： A three-layer model for the thermal structure in the Huanghai Sea

CHARACTERISTICS OF CIRCULATION IN THE CONTINENTAL SHELF AREA OF THE EAST china SEA IN WINTER

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Acta Oceanologica Sinica 1987年第S1期 51-60页

作者：郭炳火林葵卢景明 first institute of oceanography state oceanic administration qingdao North Sea Branch

The data of temperature, salinity and current from an oceanographic investigation of the East china Sea (26 Dec., 1984-27 Jan., 1985) are used to analyse the circulation in the continental shelf area. Results show that the meander of the Kuroshio in the area NE of Taiwan in winter is larger than that expected before. The Taiwan Warm Current in winter is a fairly stable counter-wind one, and that the bottom currents in the shelf area are roughly consistent with the general circulation. From these observational data, together with historical data, the origin of the Taiwan Warm Current in winter is discussed. It is suggested that the warm water of the Taiwan Warm Current comes mainly from the Kuroshio Water NE of Taiwan.

关键词： CHARACTERISTICS OF CIRCULATION IN THE CONTINENTAL SHELF AREA OF THE EAST china SEA IN WINTER TWC ECS EAST SEA

SOME PROBLEMS ON THE FLOW IN THE SOUTH OF THE EAST china SEA

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Acta Oceanologica Sinica 1986年第1期 22-31页

作者：郭炳火林葵宋万先 first institute of oceanography state oceanic administration qingdao

Based on the observational current meter data from two mooring systems located between Chilung and the Pengjiayu Island from July 1980 to July 1981, and other oceanographic observational data in the south of the East china Sea, some problems on the flow of seawater in this area in summer are analysed in this paper. It is considered that a possible passage where the subsurface water of the Kuroshio flows into continental shelf area of the East china Sea is the lower layer of the region between Chilung and the point of 122°30′ E, 25°40′N. After passing through this passage, it flows roughly towards northeast along about 100 m isobath. The 'Taiwan Warm Current' coming from the Taiwan Strait only passes through the upper layer of this area. The influence of the Taiwan Island on the flow and the eddies in this area are also discussed.

关键词： EAST ECS

Surface current field and seasonal variability in the Kuroshio and adjacent regions derived from satellite-tracked drifter data

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Acta Oceanologica Sinica 2008年第3期27卷 11-29页

作者： HU Xiaomin XIONG Xuejun QIAO Fangli guo binghuo LIN Xiaopei College of Physcial and Environmental oceanography Ocean University of China Qingdao 266003 China Key Laboratory of Marine Science and Numerical Modeling of state oceanic administration First Institute of Oceanography State Oceanic Administration Qingdao 266061 China

The muhiyear averaged surface current field and seasonal variability in the Kuroshio and adjacent regions are studied. The data used are trajectories and （1/4） ° latitude by （1/4） ° longitude mean currents derived from 323 Argos drifters deployed by Chinese institutions and world ocean circulation experiment from 1979 to 2003. The results show that the Kuroshio surface path adapts well to the western boundary topography and exhibits six great turnings. The branching occurs frequently near anticyclonic turnings rather than near cyclonic ones. In the Luzon Strait, the surface water intrusion into the South china Sea occurs only in fall and winter. The Kuroshio surface path east of Taiwan, china appears nearly as straight lines in summer, fall, and winter, when anticyclonic eddies coexist on its right side; while the path may cyclonically turning in spring when no eddy exists. The Kuroshio intrusion northeast of Taiwan often occurs in fall and winter, but not in summer. The running direction, width and velocity of the middle segment of the Kuroshio surface currents in the East china Sea vary seasonally. The northward intrusion of the Kuroshio surface water southwest of Kyushu occurs in spring and fall, but not in summer. The northmost position of the Kuroshio surface path southwest of Kyushu occurs in fall, but never goes beyond 31 °N. The northward surface current east of the Ryukyu Islands exists only along Okinawa-Amami Islands from spring to fall. In particular, it appears as an arm of an anti- cyclonic eddy in fall.

关键词： Kuroshio surface current field satellite-tracked surface drifter seasonal variability

Surface inflow into the South china Sea through the Luzon Strait in winter

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Chinese Journal of Oceanology and Limnology 2012年第1期30卷 163-168页

作者： guo Jingsong CHEN Xianyao Janet SPRINTALL guo binghuo QIAO Fangli YUAN Yeli Physical and Environmental oceanography Ocean University of ChinaQingdao 266100China Laboratory of Marine Science and Numerical Modeling The First Institute of OceanographyState Oceanic AdministrationQingdao 266061China Scripps Institution of oceanography UCSDCaliforniaUnited States

We studied the driving force of the Kuroshio intrusion into the South china Sea （SCS） during the winter monsoon, using satellite-tracked drifters entering the Luzon Strait （LS） through the Balintany and Babuyan Channels from the Philippine Sea. Most drifters passing through the Babuyan Channel in winter entered the interior SCS without a significant change in velocity. However, half of the drifters passing through the Balintany Channel entered the SCS at -30 cn/s, which was faster than when they entered the LS. The other half continued moving northwestward into the Kuroshio and returned to the North Pacific. Quantitative analyses, using surface climatological wind and sea surface height anomaly （SSHa） data explained both the difference in velocity of drifters between the two channels and their acceleration through the Balintany Channel. The results suggest that the positive meridional gradient of sea surface height in the Luzon Strait, caused by the pileup of seawater driven by the Northeast monsoon, as well as Ekman flow, contribute to the Kuroshio intrusion into the SCS through the Babuyan and Balintany Channels. The former may be the main driving force.

关键词： Kuroshio intrusion South china Sea (SCS) monsoonal winds sea surface height

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秋季南黄海水文特征及海水的混合与交换

海洋学报 1999年第5期21卷 12-21页

作者：邹娥梅郭炳火汤毓祥李载学熊学军曾宪模国家海洋局第一海洋研究所青岛266033 韩国海洋研究所

根据1996年10月中韩合作调查获得的CTD资料，分析探讨了南黄海秋季跃层的分布特征及垂直混合状况，同时对黄海冷水团的垂向混合进行了初步探讨．还利用改进后的逐步聚类分析法划分了表、底层水团，确定了各水团的温度、盐度、溶解氧和PH... 详细信息

根据1996年10月中韩合作调查获得的CTD资料，分析探讨了南黄海秋季跃层的分布特征及垂直混合状况，同时对黄海冷水团的垂向混合进行了初步探讨．还利用改进后的逐步聚类分析法划分了表、底层水团，确定了各水团的温度、盐度、溶解氧和PH值4要素的平均特征值，并根据各水团的特性和温度、盐度的平面分布特征，重点探讨了黄海水与沿岸水及东海水的混合和交换．

关键词：南黄海海水混合交换聚类分析水文特征

InteractionoftheKuroshiowaterandshelfwaterintheTsushimaCurrentregioninsummer

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Acta Oceanologica Sinica 1998年第3期17卷 277-292页

作者： guo binghuo Heung-Jae Lie and Jae Hak Lee2( Received September 20, 1997 accepted October 25, 1997) first institute of oceanography State Oceanic Administration Qingdao 266003 China Korea Ocean Research and Development institute Ansan South Korea

The separation of the Kuroshio water in the northeastern East china Sea and its interaction with the shelfwater are analysed on the basis of CTD data and the observations of 11 satellite-tracked surface drifters conducted bythe R/V Onnuri of Korea Ocean Research & Development institute during August 25 - September 7, 1994 and thenthe formation process of the Tsushima Current in summer is also discussed.

关键词： Korea water shelf water interaction