GSTDTAP  > 地球科学
DOI10.1073/pnas.1715386115
Changing character of rainfall in eastern China, 1951-2007
Day, Jesse A.1; Fung, Inez1; Liu, Weihan2
2018-02-27
发表期刊PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
ISSN0027-8424
出版年2018
卷号115期号:9页码:2016-2021
文章类型Article
语种英语
国家USA
英文摘要

The topography and continental configuration of East Asia favor the year-round existence of storm tracks that extend thousands of kilometers from China into the northwestern Pacific Ocean, producing zonally elongated patterns of rainfall that we call "frontal rain events." In spring and early summer (known as "Meiyu Season"), frontal rainfall intensifies and shifts northward during a series of stages collectively known as the East Asian summer monsoon. Using a technique called the Frontal Rain Event Detection Algorithm, we create a daily catalog of all frontal rain events in east China during 1951-2007, quantify their attributes, and classify all rainfall on each day as either frontal, resulting from large-scale convergence, or nonfrontal, produced by local buoyancy, topography, or typhoons. Our climatology shows that the East Asian summer monsoon consists of a series of coupled changes in frontal rain event frequency, latitude, and daily accumulation. Furthermore, decadal changes in the amount and distribution of rainfall in east China are overwhelmingly due to changes in frontal rainfall. We attribute the "South Flood-North Drought" pattern observed beginning in the 1980s to changes in the frequency of frontal rain events, while the years 1994-2007 witnessed an uptick in event daily accumulation relative to the rest of the study years. This particular signature may reflect the relative impacts of global warming, aerosol loading, and natural variability on regional rainfall, potentially via shifting the East Asian jet stream.


英文关键词East Asian monsoon monsoons rainfall Meiyu front new methods
领域地球科学 ; 气候变化 ; 资源环境
收录类别SCI-E
WOS记录号WOS:000426152500045
WOS关键词ASIAN SUMMER MONSOON ; SOUTH CHINA ; INTERDECADAL VARIABILITY ; TROPICAL CYCLONES ; YANGTZE-RIVER ; MEI-YU ; CLIMATE ; PRECIPITATION ; AEROSOLS ; PACIFIC
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/205050
专题地球科学
资源环境科学
气候变化
作者单位1.Univ Calif Berkeley, Dept Earth & Planetary Sci, Berkeley, CA 94720 USA;
2.Univ Calif Berkeley, Coll Letters & Sci, Berkeley, CA 94720 USA
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Day, Jesse A.,Fung, Inez,Liu, Weihan. Changing character of rainfall in eastern China, 1951-2007[J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,2018,115(9):2016-2021.
APA Day, Jesse A.,Fung, Inez,&Liu, Weihan.(2018).Changing character of rainfall in eastern China, 1951-2007.PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA,115(9),2016-2021.
MLA Day, Jesse A.,et al."Changing character of rainfall in eastern China, 1951-2007".PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 115.9(2018):2016-2021.
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