GSTDTAP  > 气候变化
DOI10.1002/2016GL071980
Geographical differences in the tropical precipitation-moisture relationship and rain intensity onset
Ahmed, Fiaz1,2; Schumacher, Courtney1
2017-01-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2017
卷号44期号:2
文章类型Article
语种英语
国家USA
英文摘要

In this study, we show that the well-documented exponential increase in the precipitation-water vapor (P-r) curve over tropical oceans also applies to tropical land but that the land curve starts its exponential increase at smaller values of column moisture than over ocean. We demonstrate that daytime surface heating contributes to this characteristic shape of the land P-r curves. There is also significant geographical variation in the shape of the P-r curve within land and ocean regions, with the Amazon, the Maritime Continent, and the eastern edges of oceans as distinct outliers. We further show that convective and stratiform rain intensities exhibit a pickup that is separate from the corresponding rain areas in the tropical P-r curve while shallow convective rain has a yet another pickup. These variations of the P-r curve characteristics likely represent geographical variations of environmental controls on storm life cycle.


英文关键词tropical P-r curves land-ocean differences
领域气候变化
收录类别SCI-E
WOS记录号WOS:000395652600060
WOS关键词MESOSCALE CONVECTIVE SYSTEMS ; COLUMN WATER-VAPOR ; DIURNAL CYCLE ; OROGRAPHIC PRECIPITATION ; STRATIFORM PRECIPITATION ; DEEP CONVECTION ; CLIMATE MODELS ; SQUALL-LINE ; TRMM ; RADAR
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/26008
专题气候变化
作者单位1.Texas A&M Univ, Dept Atmospher Sci, College Stn, TX 77843 USA;
2.Univ Calif Los Angeles, Dept Atmospher & Ocean Sci, Los Angeles, CA 90025 USA
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GB/T 7714
Ahmed, Fiaz,Schumacher, Courtney. Geographical differences in the tropical precipitation-moisture relationship and rain intensity onset[J]. GEOPHYSICAL RESEARCH LETTERS,2017,44(2).
APA Ahmed, Fiaz,&Schumacher, Courtney.(2017).Geographical differences in the tropical precipitation-moisture relationship and rain intensity onset.GEOPHYSICAL RESEARCH LETTERS,44(2).
MLA Ahmed, Fiaz,et al."Geographical differences in the tropical precipitation-moisture relationship and rain intensity onset".GEOPHYSICAL RESEARCH LETTERS 44.2(2017).
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