globalchange  > 科学计划与规划
DOI: 10.1002/2016GL068837
论文题名:
The spectroscopic foundation of radiative forcing of climate by carbon dioxide
作者: Mlynczak M.G.; Daniels T.S.; Kratz D.P.; Feldman D.R.; Collins W.D.; Mlawer E.J.; Alvarado M.J.; Lawler J.E.; Anderson L.W.; Fahey D.W.; Hunt L.A.; Mast J.C.
刊名: Geophysical Research Letters
ISSN: 0094-9627
EISSN: 1944-9358
出版年: 2016
卷: 43, 期:10
起始页码: 5318
结束页码: 5325
语种: 英语
英文关键词: carbon dioxide ; line shape function ; radiative forcing ; spectroscopy
Scopus关键词: Atmospheric radiation ; Climate change ; Light absorption ; Spectroscopy ; Absorption lines ; Anthropogenic activity ; Line shape ; Policy assessment ; Radiative forcings ; Spectroscopic characterization ; Spectroscopic parameters ; Voigt line shape ; Carbon dioxide
英文摘要: The radiative forcing (RF) of carbon dioxide (CO2) is the leading contribution to climate change from anthropogenic activities. Calculating CO2 RF requires detailed knowledge of spectral line parameters for thousands of infrared absorption lines. A reliable spectroscopic characterization of CO2 forcing is critical to scientific and policy assessments of present climate and climate change. Our results show that CO2 RF in a variety of atmospheres is remarkably insensitive to known uncertainties in the three main CO2 spectroscopic parameters: the line shapes, line strengths, and half widths. We specifically examine uncertainty in RF due to line mixing as this process is critical in determining line shapes in the far wings of CO2 absorption lines. RF computed with a Voigt line shape is also examined. Overall, the spectroscopic uncertainty in present-day CO2 RF is less than 1%, indicating a robust foundation in our understanding of how rising CO2 warms the climate system. ©2016. The Authors.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84971264805&doi=10.1002%2f2016GL068837&partnerID=40&md5=36371e03eb486a0eb1a63c5acee63fd9
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10590
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: NASA Langley Research Center, Hampton, VA, United States

Recommended Citation:
Mlynczak M.G.,Daniels T.S.,Kratz D.P.,et al. The spectroscopic foundation of radiative forcing of climate by carbon dioxide[J]. Geophysical Research Letters,2016-01-01,43(10).
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