文献类型：期刊文献

英文题名：Influence of monsoonal winds on chlorophyll-α distribution in the Beibu Gulf

作者：Shen, Chunyan[1,2];Yan, Yunrong[1,2];Zhao, Hui[3];Pan, Jiayi[4,5,6];Devlin, Adam T.[4]

机构：[1]Guangdong Ocean Univ, Coll Fisheries, Zhanjiang, Peoples R China;[2]Guangdong Ocean Univ, Ctr South China Sea Fisheries Resources Monitoring, Zhanjiang, Peoples R China;[3]Guangdong Ocean Univ, Fac Chem & Environm Sci, Zhanjiang, Peoples R China;[4]Chinese Univ Hong Kong, Inst Space & Earth Informat Sci, Hong Kong, Hong Kong, Peoples R China;[5]Chinese Univ Hong Kong, Shenzhen Res Inst, Hong Kong, Hong Kong, Peoples R China;[6]Nanjing Univ Informat Sci & Technol, Coll Marine Sci, Nanjing, Jiangsu, Peoples R China

年份：2018

卷号：13

期号：1

外文期刊名：PLOS ONE

收录：SCI-EXPANDED(收录号：WOS:000419954100035)、、Scopus(收录号：2-s2.0-85040461425)、WOS

基金：This study is supported by the National Natural Science Foundation of China (Nos. 41376125, 41376158, 41476066, 41406113, 41406041), the Natural Science Foundation of Guangdong Province (No. 2016A030313754), the Open Foundation of State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences. This work is also supported by the General Research Fund of Hong Kong Research Grants Council (RGC) under Grants CUHK402912 and 403113, the Hong Kong Innovation and Technology Fund under Grant ITS/321/13, and the direct grants of the Chinese University of Hong Kong, the Foundation for Distinguished Young Teacher in Higher Education of Guangdong (Yq2014004).

语种：英文

外文摘要：The influence of seasonal, monsoonal winds on the temporal and spatial variability of chlorophyll-a (chl-a) in the Beibu Gulf is studied based on long-term satellite data of sea surface winds, chl-a concentration and sea surface temperature (SST) and in-situ observations for the years from 2002 to 2014. The analysis results indicated that under northeasterly monsoonal winds, chl-a concentrations were substantially elevated in most area of the Beibu Gulf, with a high chl-a concentration (>2 mg m(-3)) patch extending southwestward from the coastal water of the northeastern Gulf, consistent with the winter wind pattern. Meanwhile, the spatial distribution of high chl-a concentration is correlated with low SST in the northeastern Gulf. In the southern Gulf, there was generally low chl-a, except in the coastal waters southwest of Hainan Island. Here, the upwelling cold water prevails outside the mouth of the Beibu Gulf, driven by the southwesterly monsoonal winds and the runoff from the Changhua River, as implied by low observed SST. Correlation analysis indicated the chl-a concentration was strongly modulated by wind speed (r = 0.63, p<0.001), particularly in the middle of the northern Gulf and southern Hainan Island (r>0.7, p<0.001). Integrated analysis also showed that stratification is weak and mixing is strong in winter as affected by the high wind speed, which suggests that the wind-induced mixing is a dominant mechanism for entrainment of nutrients and the spatial distribution of chl-a in winter.