| 西北太平洋盛夏台风频数与大尺度环流条件的关系 |
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| 引用本文： | 何诗秀,张宝严,傅秀琴. 西北太平洋盛夏台风频数与大尺度环流条件的关系[J]. 热带气象学报, 1986, 0(3): 251-256 |
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| 作者姓名： | 何诗秀 张宝严 傅秀琴 |
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| 作者单位： | 中国科学院大气物理研究所 |
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| 摘 要： | 本文根据14年的测风资料及9年的南半球高空资料的分析,发现在南半球冬季,当南太平洋上长波槽位置偏西(170°E附近)时,澳洲东岸高空平均西风风速大;同时亚洲东岸北纬40°附近高空西风带弱或位置偏北时,相应西北太平洋上盛夏多台风活动。反之,当南太平洋上的长波槽位置偏东(155°W附近)时,澳洲东岸高空平均西风风速小;而亚洲东岸中纬地区高空西风带强或位置偏南时,西北太平洋上盛夏台风活动则比较少。
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| 收稿时间： | 1985-11-12 |
| 修稿时间： | 1986-03-20 |
RELATIONSHIP BETWEEN THE FREQUENCY OF MIDSUMMER TYPHOON OVER NORTHWEST PACIFIC AND THE CONDITION OF LARGE SCALE CIRCULATION |
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| He Shixiu,Zhang Baoyan and Fu Xiuqin. RELATIONSHIP BETWEEN THE FREQUENCY OF MIDSUMMER TYPHOON OVER NORTHWEST PACIFIC AND THE CONDITION OF LARGE SCALE CIRCULATION[J]. Journal of Tropical Meteorology, 1986, 0(3): 251-256 |
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| Authors: | He Shixiu Zhang Baoyan Fu Xiuqin |
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| Affiliation: | Institute of Atmospheric Physics, Academia Sinica |
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| Abstract: | According to the 14-year (1967-1980) midsummer wind data and 9-year (1972-1980)geo-potential height data we found that during the midwinter in Southern Hemisphere, when the long-wave trough over the east coast of Australia is located farther west (about 170°E),the westerlies over this area is strong while that over the eastcoast of Asia is weak, the typhoons over NW Pacific may be more than usual. On tre contrary, when the location of long-wave trough is located farther east (about 150°W), the westerlies over the east coast of Australia is weak and the westerlies over the east coast of Asia is strong, correspondingly the typhoons over NW Pacific may be less. |
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