| 中国近海海洋要素最大跃层强度及其对应深度的分布规律研究 |
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| 引用本文： | 莫军,徐剑锋,王光辉.中国近海海洋要素最大跃层强度及其对应深度的分布规律研究[J].海洋科学进展,2009,27(4). |
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| 作者姓名： | 莫军 徐剑锋 王光辉 |
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| 作者单位： | 1. 海军潜艇学院,山东,青岛,266071;中国科学院,海洋环流波动重点实验室,山东,青岛,266071
2. 海军潜艇学院,山东,青岛,266071 |
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| 基金项目： | 中国科学院海洋环流波动重点实验室开放基金--潜艇战与海洋现象的时空尺度分析 |
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| 摘 要： | 利用海洋模态重构方法对LEVITUS数据库数据进行了分析,获得了中国近海的温度、密度和声速的最大跃层强度及其深度的月平均变化规律.海洋要素的最大跃层强度在7、8月份达到最大,而且分布均匀,最大跃层强度对应的深度为全年最浅.12月至次年3月的最大跃层强度最小,分布杂乱,最大跃层强度对应的深度为全年最深.其他月份的分布介于二者之间.
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| 关 键 词： | 海洋模态 中国近海 跃层强度 |
Study on Maximum Gradient and Its Depth of Marine Variable Profiles in Seas Adjacent to China |
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| MO Jun,XU Jian-feng,WANG Guang-hui.Study on Maximum Gradient and Its Depth of Marine Variable Profiles in Seas Adjacent to China[J].Advances in Marine Science,2009,27(4). |
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| Authors: | MO Jun XU Jian-feng WANG Guang-hui |
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| Institution: | MO Jun1,2,XU Jian-feng1,WANG Guang-hui1(1.Naval Submarine Acadmy,Qingdao 266071,China,2.Key Labratory in Marine Circulation and Wave,CAS,China) |
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| Abstract: | Ocean mode reconstruction method is employed to analyze Levitus Data Set and to learn the monthly mean variations of the maximum gradients with their depths in thermoclines, pycnoclines, and a-coustic velocity profiles in the seas adjacent to China. The maximum gradients of the marine variables reach their peak values in July and August, and become the most homogeneous in their horizontal distibut-ions. The depths become the annual shallowest. The maximum gradients become the lowest in the time from December to March of the next year, being located at the annual deepest, and their depths have an irregular horizontal distribution. It is a transitional season in the rest months of a year. |
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| Keywords: | ocean mode seas adjacent to China vertical gradient in profiles |
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