globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-12-00494.1
Scopus记录号: 2-s2.0-84878127630
论文题名:
Carbon-concentration and carbon-climate feedbacks in CMIP5 earth system models
作者: Arora V.K.; Boer G.J.; Friedlingstein P.; Eby M.; Jones C.D.; Christian J.R.; Bonan G.; Bopp L.; Brovkin V.; Cadule P.; Hajima T.; Ilyina T.; Lindsay K.; Tjiputra J.F.; Wu T.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期:15
起始页码: 5289
结束页码: 5314
语种: 英语
Scopus关键词: Carbon cycles ; Carbon-climate systems ; Coupled Model Intercomparison Project ; Cumulative emissions ; Earth system model ; Ecosystem effects ; Feedback parameters ; Underlying surface ; Atmospheric composition ; Carbon ; Carbon dioxide ; Earth (planet) ; Feedback ; Climate models ; carbon budget ; carbon cycle ; carbon dioxide ; carbon flux ; climate feedback ; climate modeling ; climate variation ; computer simulation ; concentration (composition)
英文摘要: The magnitude and evolution of parameters that characterize feedbacks in the coupled carbon-climate system are compared across nine Earth system models (ESMs). The analysis is based on results from biogeochemically, radiatively, and fully coupled simulations in which CO2 increases at a rate of 1%yr-1. These simulations are part of phase 5 of the Coupled Model Intercomparison Project (CMIP5). The CO2 fluxes between the atmosphere and underlying land and ocean respond to changes in atmospheric CO2 concentration and to changes in temperature and other climate variables. The carbon-concentration and carbon-climate feedback parameters characterize the response ofthe CO2 flux between the atmosphere and the underlying surface to these changes. Feedbackparameters are calculated using two different approaches. The two approaches are equivalent and either may be used to calculate the contribution of the feedback terms to diagnosed cumulative emissions. The contribution of carbon-concentration feedback to diagnosedcumulative emissions that are consistent with the 1% increasing CO2 concentration scenario is about 4.5 times larger than the carbon-climate feedback. Differences in the modeled responses of the carbon budget to changes in CO2 and temperature are seen to be 3-4times larger for the land components compared to the ocean components of participating models. The feedback parametersdepend on the state of the system as well the forcing scenario but nevertheless provide insight into the behavior of the coupled carbon-climate system and a useful common framework for comparing models. © 2013 American Meteorological Society.
资助项目: NSF, National Science Foundation
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51764
Appears in Collections:气候变化事实与影响

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作者单位: Canadian Centre for Climate Modelling and Analysis, Environment Canada, University of Victoria, Victoria, BC, Canada; College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter, United Kingdom; School of Earth and Ocean Sciences, University of Victoria, Victoria, BC, Canada; Met Office Hadley Centre, Exeter, United Kingdom; National Center for Atmospheric Research, Boulder, CO, United States; LSCE, IPSL, CEA, UVSQ, CNRS, Gif-sur-Yvette, France; Max Planck Institute for Meteorology, Hamburg, Germany; Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan; Uni Klima, Uni Research, Bergen, Norway; Beijing Climate Center, China Meteorological Administration, Beijing, China

Recommended Citation:
Arora V.K.,Boer G.J.,Friedlingstein P.,et al. Carbon-concentration and carbon-climate feedbacks in CMIP5 earth system models[J]. Journal of Climate,2013-01-01,26(15)
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