DOI: 10.1002/2013GL059095
论文题名: How will orographic precipitation respond to surface warming? An idealized thermodynamic perspective
作者: Siler N. ; Roe G.
刊名: Geophysical Research Letters
ISSN: 0094-10189
EISSN: 1944-9920
出版年: 2014
卷: 41, 期: 7 起始页码: 2606
结束页码: 2613
语种: 英语
英文关键词: climate change
; orographic precipitation
Scopus关键词: Climate change
; Precipitation (meteorology)
; Thermodynamics
; Extreme precipitation
; Keypoints
; Low temperatures
; Mountain ranges
; Orographic precipitation
; Surface warming
; Thermodynamic constraints
; Total precipitation
; Condensation
; climate change
; condensation
; evaporation
; low temperature
; mountain region
; numerical model
; orography
; precipitation (climatology)
; surface temperature
; thermodynamics
英文摘要: Future changes in orographic precipitation will have important consequences for societies and ecosystems near mountain ranges. Here we use a simple numerical model to evaluate the response of orographic precipitation to surface warming under idealized conditions representative of the strongest orographic storms. We find an upward shift in the pattern of condensation with warming, caused by larger fractional changes in condensation at low temperature and amplified warming aloft. As a result, the distribution of precipitation shifts downwind, causing larger fractional changes in precipitation on the lee slope than on the windward slope. Total precipitation is found to increase by a smaller fraction than near-surface water vapor, in contrast to expected changes in other types of extreme precipitation. Factors limiting the increase in orographic precipitation include the pattern of windward ascent, leeside evaporation, and thermodynamic constraints on the change in condensation with temperature. Key Points Condensation shifts upward with warming due to basic thermodynamics Leeside precipitation is more sensitive to warming than windward precipitation The increase in extreme precipitation may be lower in mountains than elsewhere © 2014. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84897209642&doi=10.1002%2f2013GL059095&partnerID=40&md5=9c6d945f1dbaf4b897160df03a8e5665
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/7453
Appears in Collections: 气候减缓与适应
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作者单位: Department of Atmospheric Sciences, University of Washington, Seattle, WA, United States
Recommended Citation:
Siler N.,Roe G.. How will orographic precipitation respond to surface warming? An idealized thermodynamic perspective[J]. Geophysical Research Letters,2014-01-01,41(7).