DOI: | 10.1002/2014GL062095
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论文题名: | Cirrus feedback on interannual climate fluctuations |
作者: | Zhou C.; Dessler A.E.; Zelinka M.D.; Yang P.; Wang T.
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刊名: | Geophysical Research Letters
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ISSN: | 0094-9493
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EISSN: | 1944-9224
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出版年: | 2014
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卷: | 41, 期:24 | 起始页码: | 9166
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结束页码: | 9173
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语种: | 英语
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英文关键词: | cirrus
; climate change and variability
; cloud feedback
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Scopus关键词: | Clouds
; Earth (planet)
; Feedback
; Cirrus
; Climate fluctuations
; Cloud feedbacks
; Cloud optical depth
; Long-wave radiation
; Planetary surfaces
; Satellite observations
; Tropical tropopause layers
; Climate change
; annual variation
; cirrus
; climate feedback
; feedback mechanism
; observational method
; planetary surface
; satellite imagery
; troposphere
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英文摘要: | Cirrus clouds are not only important in determining the current climate but also play an important role in climate change and variability. Analysis of satellite observations shows that the amount and altitude of cirrus clouds (cloud optical depth < 3.6, cloud top pressure < 440 hPa) increase in response to interannual surface warming. Using cirrus cloud radiative kernels, the magnitude of the interannual cirrus feedback is estimated to be 0.20 ± 0.21 W/m2/°C, which represents an important component of the cloud feedback. Thus, cirrus clouds are likely to act as a positive feedback on interannual climate fluctuations, by reducing the Earth's ability to radiate longwave radiation to space in response to planetary surface warming. Most of the cirrus feedback comes from increasing cloud amount in the tropical tropopause layer (TTL) and subtropical upper troposphere. Key Points Cirrus clouds likely contribute a positive feedback on climate fluctuationsCirrus cloud amount and altitude increase in response to surface warmingCirrus clouds represent an important component of the cloud feedback ©2014. American Geophysical Union. All Rights Reserved. |
URL: | https://www.scopus.com/inward/record.uri?eid=2-s2.0-84921831180&doi=10.1002%2f2014GL062095&partnerID=40&md5=1b90534c8808c33d4f6918e6cd314eca
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Citation statistics: |
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资源类型: | 期刊论文
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标识符: | http://119.78.100.158/handle/2HF3EXSE/6757
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Appears in Collections: | 气候减缓与适应
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作者单位: | Department of Atmospheric Sciences, Texas AandM University, College Station, TX, United States
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Recommended Citation: |
Zhou C.,Dessler A.E.,Zelinka M.D.,et al. Cirrus feedback on interannual climate fluctuations[J]. Geophysical Research Letters,2014-01-01,41(24).
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