The study on seasonal characteristics of water masses in the western East China Sea shelf area

ZHANG Qilong; LIU Hongwei; QIN Sisi; YANG Dezhou; LIU Zhiliang

doi:10.1007/s13131-014-0556-9

东海西部陆架海域水团的季节特征分析

doi: 10.1007/s13131-014-0556-9

1.
中国科学院海洋研究所, 青岛 266071;中国科学院海洋环流与波动重点实验室, 青岛 266071
2.
中国科学院海洋研究所, 青岛 266071;中国科学院海洋环流与波动重点实验室, 青岛 266071;中国科学院大学, 北京 100049

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- 收稿日期: 2013-11-20
- 修回日期: 2014-07-08

The study on seasonal characteristics of water masses in the western East China Sea shelf area

1.
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Ocean Circulation and Waves (KLOCAW), Chinese Academy of Sciences, Qingdao 266071, China
2.
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Key Laboratory of Ocean Circulation and Waves (KLOCAW), Chinese Academy of Sciences, Qingdao 266071, China;University of Chinese Academy of Sciences, Beijing 100049, China

摘要

摘要: 本文根据2009年冬、夏季的CTD资料和模拟结果, 利用聚类分析法, 对东海西部陆架海域水团的季节特征进行了分析, 并探讨了台湾暖流水的来源问题。结果表明, 研究海域的水团配置和温盐特性都有明显的季节特征。冬季, 在东海西部陆架海域共有三个水团, 即大陆沿岸水、台湾暖流表层水和黄海混合水；而夏季则有四个水团, 即大陆沿岸水、台湾暖流表层水、台湾暖流深层水和黄海混合水。其中, 大陆沿岸水、台湾暖流表层水和台湾暖流深层水都是主要水团。冬季, 以低盐为主要特征的大陆沿岸水具有温度较夏季低、盐度较高、分布范围较小的特点。夏季台湾暖流表层水的温度较冬季高, 但其盐度却较低, 其分布范围也较小。台湾暖流水冬季主要来源于台湾东北部的黑潮表层水和少量的台湾海峡水, 而夏季则是由海峡水和黑潮表层水构成的。台湾暖流深层水是一个具有低温、高盐特征的季节性水团, 它完全来源于台湾东北部的黑潮次表层水。
- 东海 /
- 水团 /
- 季节特征 /
- 台湾暖流水
Abstract: On the basis of the CTD data and the modeling results in the winter and summer of 2009, the seasonal characteristics of the water masses in the western East China Sea shelf area were analyzed using a cluster analysis method. The results show that the distributions and temperature-salinity characteristics of the water masses in the study area are of distinct seasonal difference. In the western East China Sea shelf area, there are three water masses during winter, i.e., continental coastal water (CCW), Taiwan Warm Current surface water (TWCSW) and Yellow Sea mixing water (YSMW), but four ones during summer, i.e., the CCW, the TWCSW, Taiwan Warm Current deep water (TWCDW) and the YSMW. Of all, the CCW, the TWCSW and the TWCDW are all dominant water masses. The CCW, primarily characterized by a low salinity, has lower temperature, higher salinity and smaller spatial extent in winter than in summer. The TWCSW is warmer, fresher and smaller in summer than in winter, and it originates mostly from the Kuroshio surface water (KSW) northeast of Taiwan, China and less from the Taiwan Strait water during winter, but it consists of the strait water and the KSW during summer. The TWCDW is characterized by a low temperature and a high salinity, and originates completely in the Kuroshio subsurface water northeast of Taiwan.
- East China Sea /
- water mass /
- seasonal characteristics /
- Taiwan Warm Current water

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文章访问数: 1637
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东海西部陆架海域水团的季节特征分析

doi: 10.1007/s13131-014-0556-9

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The study on seasonal characteristics of water masses in the western East China Sea shelf area

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