中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Changes in interannual climate sensitivities of terrestrial carbon fluxes during the 21st century predicted by CMIP5 Earth System Models

文献类型:期刊论文

作者Liu, YW (Liu, Yongwen)1; Huang, MT (Huang, Mengtian)1; Piao, SL; Piao, SL (Piao, Shilong)1,3,4; Ciais, P (Ciais, Philippe)2; Yao, YT (Yao, Yitong)1; Wang, T (Wang, Tao)3,4
刊名JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES
出版日期2016
卷号121期号:3页码:903-918
关键词Permafrost Carbon Temperature Sensitivity Semiarid Ecosystems Forest Dieback Cycle Respiration Variability Co2 Drought Projections
DOI10.1002/2015JG003124
文献子类Article
英文摘要Terrestrial carbon fluxes are sensitive to climate change, but the interannual climate sensitivity of the land carbon cycle can also change with time. We analyzed the changes in responses of net biome production (NBP), net primary production (NPP), and heterotrophic respiration (Rh) to interannual climate variations over the 21st century in the Earth System Models (ESMs) from the Coupled Model Intercomparison Project 5. Under Representative Concentration Pathway (RCP) 4.5, interannual temperature sensitivities of NBP ((Temp)(NBP)), NPP ((Temp)(NPP)), and Rh ((Temp)(Rh)) remain relatively stable at global scale, yet with large differences among ESMs and spatial heterogeneity. Modeled (Temp)(NPP) and (Temp)(Rh) appear to increase in parallel in boreal regions, resulting in unchanged (Temp)(NBP). Tropical (Temp)(NBP) decreases in most models, due to decreasing (Temp)(NPP) and relatively stable (Temp)(Rh). Across models, the changes in (Temp)(NBP) can be mainly explained by changes in (Temp)(NPP) rather than changes in (Temp)(Rh), at both global and regional scales. Interannual precipitation sensitivities of global NBP ((Prec)(NBP)), NPP ((Prec)(NPP)), and Rh ((Prec)(Rh)) are predicted not to change significantly, with large differences among ESMs. Across models, the changes in (Prec)(NBP) can be mainly explained by changes in (Prec)(NPP) rather than changes in (Prec)(Rh) in temperate regions, but not in other regions. Changes in the interannual climate sensitivities of carbon fluxes are consistent across RCPs 4.5, 6.0, and 8.5 but larger in more intensive scenarios. More effort should be considered to improve terrestrial carbon flux responses to interannual climate variability, e.g., incorporating biogeochemical processes of nutrient limitation, permafrost dynamics, and microbial decomposition.
学科主题普通生物学
语种英语
WOS记录号WOS:000374345000020
源URL[http://ir.itpcas.ac.cn/handle/131C11/7741]  
专题青藏高原研究所_图书馆
通讯作者Piao, SL
作者单位1.Peking Univ, Coll Urban & Environm Sci, Sino French Inst Earth Syst Sci, Beijing 100871, Peoples R China
2.UMR CEA CNRS, LSCE, Gif Sur Yvette, France
3.Chinese Acad Sci, CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China
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Liu, YW ,Huang, MT ,Piao, SL,et al. Changes in interannual climate sensitivities of terrestrial carbon fluxes during the 21st century predicted by CMIP5 Earth System Models[J]. JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,2016,121(3):903-918.
APA Liu, YW .,Huang, MT .,Piao, SL.,Piao, SL .,Ciais, P .,...&Wang, T .(2016).Changes in interannual climate sensitivities of terrestrial carbon fluxes during the 21st century predicted by CMIP5 Earth System Models.JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES,121(3),903-918.
MLA Liu, YW ,et al."Changes in interannual climate sensitivities of terrestrial carbon fluxes during the 21st century predicted by CMIP5 Earth System Models".JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES 121.3(2016):903-918.

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来源:青藏高原研究所

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