The structural characteristics of precipitation in Asian-Pacific’s three monsoon regions measured by tropical rainfall measurement mission

LI Jiangnan; ZHENG Yanping; LI Fangzhou; GUO Feiyun; LI Weibiao

doi:10.1007/s13131-014-0417-6

基于TRMM观测的亚洲——太平洋三个季风区的降水结构特征

doi: 10.1007/s13131-014-0417-6

1.
Department of Atmospheric Sciences, School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
2.
Department of Atmospheric Sciences, School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China;Meteorological Information Center of Guangdong Province, Guangzhou 510080, China
3.
Baiyun District Bureau of Meteorology, Guangzhou 510410, China

基金项目: The National Natural Science Foundation of China under contract No. 41275060;the National Key Basic Research Program of China under contract No. 2014CB953903;the National Basic Research Program of China under contract No. 2011CB403500;the Fundamental Research Funds for the Central Universities of China under contract No. 13lgjc03;the National Natural Science Foundation of China under contract No. 41275145.

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- 收稿日期: 2012-12-18
- 修回日期: 2013-04-15

The structural characteristics of precipitation in Asian-Pacific’s three monsoon regions measured by tropical rainfall measurement mission

1.
Department of Atmospheric Sciences, School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
2.
Department of Atmospheric Sciences, School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China;Meteorological Information Center of Guangdong Province, Guangzhou 510080, China
3.
Baiyun District Bureau of Meteorology, Guangzhou 510410, China

摘要

摘要: 利用热带测雨卫星(TRMM)10年的探测结果，对亚洲—太平洋三个季风区(东亚季风区、西北太平洋季风区和印度季风区)降水的三维结构及潜热廓线特征进行了分析。结果表明：（1）东亚季风区的对流降水量和层云降水量百分比的季节变化最明显，印度季风区次之，西北太平洋季风区最小。东亚季风区层云降水与对流降水间的关系四季变化较大，西北太平洋季风区和印度季风区四个季节的层云降水均大于对流降水。（2）三个季风区四种水粒子的垂直廓线有明显差异，云冰在5KM以上随高度先增后减，在9KM左后其值达到最大；云水在垂直方向上的分布与云冰相反，其最大值在3至4KM左右。可降冰与云冰具有相似的垂直廓线，但可降冰的大值区主要在4至9KM，云冰则在7至16KM，且可降冰的量级要大于云冰。可降水粒子主要集中在4KM以下，地面至2KM之间其含量最大。（3）印度季风区的云冰含量由春至冬变化最明显，其他两个地区变化较小；而四个季节西北太平洋的云水含量始终高于其他两个地区。（4）潜热廓线都有相似的双峰结构，第一峰值在4KM高度，第二峰值在2KM高度。春夏两季三个区的潜热差别不大，秋冬两季西北太平洋高于其它两区；三个区均在夏秋两季潜热释放量较大，春冬两季较小。
- 降水 /
- 三维结构 /
- 亚洲——太平洋季风区 /
- TRMM
Abstract: The three-dimensional structure of precipitation on a seasonal scale in the Asian-Pacific's three monsoon regions is investigated based on the tropical rainfall measurement mission (TRMM) data. The results show that: (1) The maximum seasonal variation of the relative proportional difference of convective precipitation and stratiform rain occurs in the East Asian monsoon region, the second occurs in the Indian monsoon region, and the minimum is in the northwest Pacific monsoon region. In both the northwest Pacific monsoon region and the Indian monsoon region, the convective rain is proportionately larger than stratiform rain in all four seasons. (2) Cloud ice reaches its maximum at around 9 km. Cloud water's maximum range is between 3 and 4 km. The large value area of precipitation ice is mainly between 4 and 9 km. The precipitation water particle is concentrated mostly below 4 km. The largest content is from the ground to 2 km. (3) The most remarkable variance of the content of cloud ice in the Indian monsoon region occurs from spring to winter, and the content of cloud water in the northwest Pacific is always higher than that in the other two regions. (4) The latent heat profile has a similar double-peak structure. The first peak is at 4 km and the second peak is at 2 km. In autumn and winter, the latent heat is higher in the northwest Pacific than in other two regions. In all three regions, the release of the latent heat is higher in summer and autumn than in spring and winter.
- precipitation /
- three-dimensional structures /
- Asian-Pacific monsoon region /
- TRMM

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参考文献(25)

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基于TRMM观测的亚洲——太平洋三个季风区的降水结构特征

doi: 10.1007/s13131-014-0417-6

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The structural characteristics of precipitation in Asian-Pacific’s three monsoon regions measured by tropical rainfall measurement mission

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