Light rain events change over North America, Europe, and Asia for 1973-2009

被引：40

作者：

Qian, Yun ^{[1
]}

Gong, Daoyi ^{[2
]}

Leung, Ruby

机构：

[1] Pacific NW Natl Lab, Climate Phys Grp, Richland, WA 99352 USA

[2] Beijing Normal Univ, Beijing 100875, Peoples R China

来源：

ATMOSPHERIC SCIENCE LETTERS | 2010年 / 11卷 / 04期

关键词：

light rain; North America; Europe; Asia; PRECIPITATION; VARIABILITY; TRENDS;

D O I：

10.1002/asl.298

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

Analysis of daily precipitation data reveals diverse long-term trends of light rain events in North America (NA), Europe (EU), and Asia (AS), but overall a decreasing trend is found from 1973-2009, especially over East Asia, where a remarkable shift from light to heavy rain events has been observed. Although it has been argued that global warming may lead to a shift from light to heavy rain, regionally little correspondence is found between light rain trends and temperature/precipitable water (PW) trends. This argues for the need to include other factors such as atmospheric circulation and aerosol changes that affect regional rain rates and cloud processes. Copyright (C) 2010 Royal Meteorological Society

引用

页码：301 / 306

页数：6

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