| 对南海季风进退及强度的气候分析 |
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| 引用本文： | 陈奇礼.对南海季风进退及强度的气候分析[J].热带气象学报,1993,9(2):124-132. |
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| 作者姓名： | 陈奇礼 |
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| 作者单位： | 国家海洋局南海分局 广州510300 |
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| 摘 要： | 根据南海及其附近地区的海面和高空气象资料,计算了南海的季风指数分布和月、季变化,并根据低空流场分析了季风的来源和进退趋势,对季风的推进路径和强度变化作了讨论。结果表明:南海夏季风首先出现于泰国湾,然后由西南向东北扩展,最早影响南海的夏季风是来自副热带高压南侧的东南气流,其后是通过90°E、105°E附近的越赤道气流;在南海夏季风盛行后,印度季风才并入。对冬季风的强度、厚度和影响范围,也进行了较详尽的分析。
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| 关 键 词： | 南海 季风 指数 冷涌 强度 气候 |
| 收稿时间： | 1992/6/20 0:00:00 |
| 修稿时间： | 1992/8/31 0:00:00 |
A CLIMATOLOGICAL ANALYSIS OF ADVANCING/RETREATING MOVEMENT OF SOUTH CHINA SEA MONSOON AND ITS INTENSITY |
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| Chen Qili.A CLIMATOLOGICAL ANALYSIS OF ADVANCING/RETREATING MOVEMENT OF SOUTH CHINA SEA MONSOON AND ITS INTENSITY[J].Journal of Tropical Meteorology,1993,9(2):124-132. |
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| Authors: | Chen Qili |
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| Institution: | Smith Chan Sea Branch, OA, Guangzhou, 510300 |
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| Abstract: | Based on sea-level and upper-air data for the South China Sea and its adjacent areas, the distribution of monsoon indexes and their monthly and seasonal changes are oomputed, the source areas and trends of advancement or retreat of the monsoon analysed from the point of low-level flow fields, anc the advancing route and intensity of the monsoon disoussed. The result indicates that the summer monsoon for the area first appears in the Gulf of Thailand and then spreads to the northeast; the earliest surges reaching the South China Sea originate from the southeasterly winds to the south of the Subtropical High and from a cross-equatorial passage ast 90°E, 105°E later ; only when the summer monsoon is established in the South China Sea would the Indian Monsoon merge into it. The intensity, thickness and affecting area of the winter monsoon is also discussed in detail. |
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| Keywords: | Monsoon over South China Sea Monsoon index Cold surge |
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