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《Oceanologia et Limnologia Sinica》 2016-01
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DISTRIBUTION OF INORGANIC CARBON PARAMETERS IN KUROSHIO AND ITS IMPACT ON ADJACENT EAST CHINA SEA SHELF

LU Xi;SONG Jin-Ming;YUAN Hua-Mao;LI Ning;LI Xue-Gang;DUAN Li-Qin;QU Bao-Xiao;Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences;University of Chinese Academy of Sciences;Function Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Qingdao National Laboratory for Marine Science and Technology;  
Vertical and horizontal distributions of inorganic carbon parameters——p H, total alkalinity(TAlk), dissolved inorganic carbon(DIC) and ratio of DIC/TAlk——in the Kuroshio and adjacent East China Sea(ECS) shelf were investigated in spring, 2014. Generally, TAlk, DIC and DIC/TAlk increased while p H decreased with the increasing water depth in Kuroshio mainstream, indicating the impacts of biological production, air-sea exchanges, organic matters degradation, and Ca CO3 dissolution. All parameters in Kuroshio Upwelling Water(KUW) were affected by upwelled deeper water. The influences of Kuroshio Surface Water in outer shelf(high in p H, low in DIC/TAlk) were restricted by Taiwan Current Warm Water in surface and 30 m layer, while the northward Kuroshio Branch Current to the North of Taiwan(low in p H, high in DIC/TAlk) predominated in the bottom of outer shelf area. KUW had influences even in surface layer, which may bring Kuroshio Intermediate Water into the shelf. Transport of DIC from Kuroshio to ECS in wet season(May-October) was calculated to be 58798.9×109mol(net export: 37382.9×109mol); most of DIC exported by outflowing ECS waters entered the Japan Sea via Tsushima Warm Current.
【Fund】: 中国科学院战略性先导科技专项项目 XDA11020102号;; 国家基金委山东省联合基金项目 U1406403号;; 青岛海洋国家实验室“鳌山人才”项目专项资助
【CateGory Index】: P734.2
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