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首页> 外文期刊>SOLA: Scientific Online Letters on the Atmosphere >Contribution of Tropical Cyclones to the Seasonal Change Patterns of Precipitation in the Western North Pacific: Estimation Based on JRA-25/JCDAS
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Contribution of Tropical Cyclones to the Seasonal Change Patterns of Precipitation in the Western North Pacific: Estimation Based on JRA-25/JCDAS

机译：北太平洋西部热带气旋对降水季节变化模式的贡献：基于JRA-25 / JCDAS的估算

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References(11) Cited-By(4) Supplementary materials(1) The contribution of tropical cyclones (TCs) to the seasonal change patterns of precipitation in the western North Pacific was studied using Japanese long-term reanalysis/JMA Climate Data Assimilation System (JRA-25/JCDAS) data from 1979 to 2006. The seasonal change patterns are based on the three types of Hattori et al. (2005) classified by a northward shift and increase in precipitation from June to August. We show that the contribution ratio of TC precipitation in the western North Pacific, on average and maximum being 19.8% and 46.7%, becomes larger as monthly mean total precipitation increases. Among the three types of seasonal change pattern, TC precipitation varies corresponding to the features of total precipitation and contributes 0.5-1.8 mm day-1 variation of the regional mean precipitation. Between the two types which show a northward shift and an increase in precipitation, TC causes 31%-41% of the total precipitation difference. TC precipitation highly contributes to the type that shows the largest northward shift and precipitation increase; its maximum ratio reaches 70% east of Taiwan and TCs contribute 3-5 degrees of the northward shift of the precipitation area in the western North Pacific.
机译：参考文献（11）被引用的文献（4）补充材料（1）使用日本长期再分析/ JMA气候数据同化系统，研究了热带气旋对北太平洋西部降水季节变化模式的贡献（ JRA-25 / JCDAS）的数据来自1979年至2006年。季节性变化模式基于Hattori等人的三种类型。 （2005年）按北移和6月至8月降水增加分类。我们发现，随着月平均总降水量的增加，北太平洋西部地区TC降水的贡献率平均最高，分别为19.8％和46.7％。在这三种类型的季节变化模式中，TC降水量对应于总降水量的特征而变化，并且贡献了区域平均降水量的0.5-1.8 mm day-1变化。在显示出北移和降水增加的两种类型之间，TC造成了总降水差异的31％-41％。 TC降水对显示最大北移和降水增加的类型有很大贡献;它的最大比例达到台湾东部的70％，而TC贡献了北太平洋西部降水区向北移动3-5度。

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