globalchange  > 科学计划与规划
DOI: 10.1002/2016GL069293
论文题名:
Ubiquitous influence of waves on tropical high cirrus clouds
作者: Kim J.-E.; Alexander M.J.; Bui T.P.; Dean-Day J.M.; Lawson R.P.; Woods S.; Hlavka D.; Pfister L.; Jensen E.J.
刊名: Geophysical Research Letters
ISSN: 0094-8987
EISSN: 1944-8718
出版年: 2016
卷: 43, 期:11
起始页码: 5895
结束页码: 5901
语种: 英语
英文关键词: airborne measurements ; cirrus clouds ; cold point ; stratospheric water vapor ; tropical tropopause ; tropical waves
Scopus关键词: Atmospheric radiation ; Budget control ; Climate change ; Climate models ; Tropics ; Water vapor ; Airborne measurements ; Circulation patterns ; Cirrus clouds ; Cold point ; Cooling conditions ; Regional climate changes ; Tropical tropopause ; Tropical tropopause layers ; Clouds
英文摘要: Cirrus clouds in the tropical tropopause layer (TTL) and water vapor transported into the stratosphere have significant impacts on the global radiation budget and circulation patterns. Climate models, however, have large uncertainties in representing dehydration and cloud processes in the TTL, and thus their feedback on surface climate, prohibiting an accurate projection of future global and regional climate changes. Here we use unprecedented airborne measurements over the Pacific to reveal atmospheric waves as a strong modulator of ice clouds in the TTL. Wave-induced cold and/or cooling conditions are shown to exert a nearly ubiquitous influence on cirrus cloud occurrence at altitudes of 14–18 km, except when air was very recently influenced by convective hydration. We further observe that various vertical scales of cloud layers are associated with various vertical scales of waves, suggesting the importance of representing TTL waves in models. ©2016. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84977139127&doi=10.1002%2f2016GL069293&partnerID=40&md5=7566df40bb1f824ef9efcbdfd11f1ce0
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/9950
Appears in Collections:科学计划与规划
气候变化与战略

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作者单位: Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO, United States

Recommended Citation:
Kim J.-E.,Alexander M.J.,Bui T.P.,et al. Ubiquitous influence of waves on tropical high cirrus clouds[J]. Geophysical Research Letters,2016-01-01,43(11).
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