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2004年9月南海北部移动船载温盐剖面仪观测结果初步分析
引用本文:刘长建,毛华斌,陈荣裕,王东晓.2004年9月南海北部移动船载温盐剖面仪观测结果初步分析[J].热带海洋学报,2005,24(5):77-82.
作者姓名:刘长建  毛华斌  陈荣裕  王东晓
作者单位:中国科学院南海海洋研究所热带海洋环境动力学重点实验室,广东,广州510301
基金项目:中国科学院知识创新工程重要方向项目(KZCX3-SW-227);国家自然科学基金项目(40406006;40476013)
摘    要:在2004年9月南海北部开放航次中,中国科学院南海海洋研究所首次引进使用了民用移动船载温盐剖面仪(Moving Vessel Profiler,MVP),并在珠江口外海和越南东岸外海2个断面进行了拖曳测量。通过对MVP和定点温盐深仪所测数据的比较分析,发现MVP下降阶段数据较为可信。对所获温、盐、深数据进行处理分析,发现2个断面的水团性质存在明显差异。越南东岸外海断面的混合层平均深度(27m左右)深于珠江口外海断面(17.5m左右);在表层和近40m深度处,珠江口外海的盐度值都高于越南东岸外海,呈现高盐的特性。

关 键 词:移动船载温盐剖面仪(MVP)  断面  混合层  温跃层
文章编号:1009-5470(2005)05-0077-06
收稿时间:2004-11-25
修稿时间:2005-01-15

AN ANALYSIS ON MOVING VESSEL PROFILER OBSERVATION IN NORTHERN SOUTH CHINA SEA IN SEPTEMBER 2004
LIU Chang-jian,MAO Hua-bin,CHEN Rong-yu,WANG Dong-xiao.AN ANALYSIS ON MOVING VESSEL PROFILER OBSERVATION IN NORTHERN SOUTH CHINA SEA IN SEPTEMBER 2004[J].Journal of Tropical Oceanography,2005,24(5):77-82.
Authors:LIU Chang-jian  MAO Hua-bin  CHEN Rong-yu  WANG Dong-xiao
Institution:LED, South China Sea Institute of Oceanology, The Chinese Academy of Sciences, Guangzhou 510301, China
Abstract:A new instrument MVP(Moving Vessel Profiler) was introduced for the first time by South China Sea Institute of Oceanology during the open cruise in the northern South China Sea in September 2004 to continuously measure temperature,salinity and depth along the sections at the Zhujiang River mouth and off the eastern Vietnam coast.Based on the comparison between MVP data and fixed CTD data,it was found that the data in downward phase of MVP was relatively reliable.The analysis on the temperature,salinity and depth by MVP showed that there were distinct property differences between water masses at two sections.The average depth of mixed layer at the section off the eastern Vietnam coast(about 27m deep) was larger than that at the Zhujiang River mouth(about 17.5m deep).The salinity value at the Zhujiang River mouth was higher than that off the eastern Vietnam coast both at the surface layer and at depth about 40m.
Keywords:Moving Vessel Profiler(MVP)  section  mixed layer  thermocline
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