| 夏半年大气低频振荡与西北太平洋台风路径 |
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| 引用本文： | 胡坚,王玉清.夏半年大气低频振荡与西北太平洋台风路径[J].气象学报,1992,50(4):420-428. |
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| 作者姓名： | 胡坚 王玉清 |
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| 作者单位： | 上海台风研究所 200030
(胡坚)，上海台风研究所 200030(王玉清) |
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| 摘 要： | 本文利用一个多级数字滤波器,讨论了1980年5—10月期间,大气季节内低频振荡(30—50d周期)对西北太平洋热带气旋路径的影响。结果表明,这种影响是明显的。在秋季,还存在一支源于高纬北美地区的波列,其影响可以向西、向南一直传播至东亚低纬区域,它对于形成转向路径时期的环流形势起了重要作用。
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| 收稿时间： | 1990/7/30 0:00:00 |
| 修稿时间： | 1990/12/24 0:00:00 |
ATMOSPHERE AND OCEAN LOW-FREQUENCY OSCILLATION AND THEIR EFFECTS ON TROPICAL CYCLONE TRACKS OVER THE NORTHWESTERN PACIFIC |
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| Hu Jian and Wang Yuqing.ATMOSPHERE AND OCEAN LOW-FREQUENCY OSCILLATION AND THEIR EFFECTS ON TROPICAL CYCLONE TRACKS OVER THE NORTHWESTERN PACIFIC[J].Acta Meteorologica Sinica,1992,50(4):420-428. |
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| Authors: | Hu Jian and Wang Yuqing |
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| Institution: | Shanghai Typhoon Institute, 200030;Shanghai Typhoon Institute, 200030 |
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| Abstract: | The effect of atmospheric intra-seasonal low-frequency oscillation (30-50 day) during the period from May to October,1980 on tropical cyclone tracks are analysed.The result shows that this effect is identical.Meanwhile,in autumn,there exists a wave train which can propagate from North American at high latitudes up to East Asia at low latitudes.This wave train plays a significant role in bringing about circulation situation of the recurving path. |
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