globalchange  > 影响、适应和脆弱性
DOI: 10.1002/2016JD025827
论文题名:
Revisiting the iris effect of tropical cirrus clouds with TRMM and A-Train satellite data
作者: Choi Y.-S.; Kim W.; Yeh S.-W.; Masunaga H.; Kwon M.-J.; Jo H.-S.; Huang L.
刊名: Journal of Geophysical Research: Atmospheres
出版年: 2017
卷: 122, 期:11
起始页码: 5917
结束页码: 5931
语种: 英语
英文关键词: cirrus ; climate sensitivity ; cloud feedback ; iris effect ; tropical cloud
英文摘要: Just as the iris of human eye controls the light influx (iris effect), tropical anvil cirrus clouds may regulate the Earth's surface warming by controlling outgoing longwave radiation. This study examines this possible effect with monthly satellite observations such as Tropical Rainfall Measuring Mission (TRMM) precipitation, Moderate Resolution Imaging Spectroradiometer cirrus fraction, and Clouds and the Earth's Radiant Energy System top-of-the-atmosphere radiative fluxes averaged over different tropical domains from March 2000 to October 2014. To confirm that high-level cirrus is relevant to this study, Cloud-Aerosol Lidar with Orthogonal Polarization high cloud observations were also analyzed from June 2006 to December 2015. Our analysis revealed that the increase in sea surface temperature in the tropical western Pacific tends to concentrate convective cloud systems. This concentration effect very likely induces the significant reduction of both stratiform rain rate and cirrus fraction, without appreciable change in the convective rain rate. This reduction of stratiform rain rate and cirrus fraction cannot be found over its subregion or the tropical eastern Pacific, where the concentration effect of anvil cirrus is weak. Consistently, over the tropical western Pacific, the higher ratio of convective rain rate to total rain rate (i.e., precipitation efficiency) significantly correlates with warmer sea surface temperature and lower cirrus fraction. The reduced cirrus eventually increased outgoing longwave radiation to a greater degree than absorbed solar radiation. Finally, the negative relationship between precipitation efficiency and cirrus fraction tends to correspond to a low global equilibrium climate sensitivity in the models in the Coupled Model Intercomparison Project Phase 5. This suggests that tropical anvil cirrus clouds exert a negative climate feedback in strong association with precipitation efficiency. ©2017. American Geophysical Union. All Rights Reserved.
资助项目: "This study is supported by “Development of Climate and Atmospheric Environmental Applications” project, funded by ETRI, which is a subproject of “Development of Geostationary Meteorological Satellite Ground Segment (NMSC-2017-01)” program funded by NMSC of KMA. Y.-S. Choi and L. Huang are supported by the Jet Propulsion Laboratory, California Institute of Technology. W. Kim is supported by APEC Climate Center. S.-W. Yeh and H.-S. Jo are supported by the Korea Ministry of Environment (MOE) as “Climate Change Correspondence Program”. We thank Richard S. Lindzen for valuable comments, Roberto Rondanelli and two anonymous reviewers for reviewing the paper, and Jung Ok for data display. All the data used in this study are publicly open and can be accessed as described in section 2.
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/62659
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

Files in This Item:

There are no files associated with this item.


作者单位: Department of Environmental Science and Engineering, Ewha Womans University, Seoul, South Korea; NASA Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States; Climate Prediction Department, APEC Climate Center, Busan, South Korea; Marine Sciences and Convergent Technology, Hanyang University, Seoul, South Korea; Institute for Space-Earth Environmental Research, Nagoya University, Nagoya, Japan; Department of Atmospheric Science and Engineering, Ewha Womans University, Seoul, South Korea; CSIRO Oceans and Atmosphere, Aspendale, VIC, Australia; Joint Institute for Regional Earth System Science and Engineering, University of California, Los Angeles, CA, United States

Recommended Citation:
Choi Y.-S.,Kim W.,Yeh S.-W.,et al. Revisiting the iris effect of tropical cirrus clouds with TRMM and A-Train satellite data[J]. Journal of Geophysical Research: Atmospheres,2017-01-01,122(11)
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Choi Y.-S.]'s Articles
[Kim W.]'s Articles
[Yeh S.-W.]'s Articles
百度学术
Similar articles in Baidu Scholar
[Choi Y.-S.]'s Articles
[Kim W.]'s Articles
[Yeh S.-W.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Choi Y.-S.]‘s Articles
[Kim W.]‘s Articles
[Yeh S.-W.]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.