globalchange  > 科学计划与规划
DOI: 10.1002/2016GL068837
Title:
The spectroscopic foundation of radiative forcing of climate by carbon dioxide
Author: 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.
Source Publication: Geophysical Research Letters
ISSN: 0094-9627
EISSN: 1944-9358
Publishing Year: 2016
Volume: 43, Issue:10
pages begin: 5318
pages end: 5325
Language: 英语
Keyword: carbon dioxide ; line shape function ; radiative forcing ; spectroscopy
Scopus Keyword: 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
English Abstract: 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.
Related Link: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84971264805&doi=10.1002%2f2016GL068837&partnerID=40&md5=36371e03eb486a0eb1a63c5acee63fd9
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Document Type: 期刊论文
Identifier: 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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Affiliation: 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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