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Seasonal Responses of Terrestrial Carbon Cycle to Climate Variations in CMIP5 Models: Evaluation and Projection
Liu, YW (Liu, Yongwen)1; Piao, SL (Piao, Shilong)1,2,3; Lian, X (Lian, Xu)1; Ciais, P (Ciais, Philippe)4; Smith, WK (Smith, W. Kolby)5; Piao, SL
Source PublicationJOURNAL OF CLIMATE
2017
Volume30Issue:16Pages:6481-6503
DOI10.1175/JCLI-D-16-0555.1
AbstractSeventeen Earth system models (ESMs) from phase 5 of the Coupled Model Intercomparison Project (CMIP5) were evaluated, focusing on the seasonal sensitivities of net biome production (NBP), net primary production (NPP), and heterotrophic respiration (Rh) to interannual variations in temperature and precipitation during 1982-2005 and their changes over the twenty-first century. Temperature sensitivity of NPP in ESMs was generally consistent across northern high-latitude biomes but significantly more negative for tropical and subtropical biomes relative to satellite-derived estimates. The temperature sensitivity of NBP in both inversion-based and ESM estimates was generally consistent in March-May (MAM) and September-November (SON) for tropical forests, semiarid ecosystems, and boreal forests. By contrast, for inversion-based NBP estimates, temperature sensitivity of NBP was nonsignificant for June-August (JJA) for all biomes except boreal forest; whereas, for ESM NBP estimates, the temperature sensitivity for JJA was significantly negative for all biomes except shrublands and subarctic ecosystems. Both satellite-derivedNPP and inversion-based NBP are often decoupled from precipitation, whereas ESM NPP and NBP estimates are generally positively correlated with precipitation, suggesting that ESMs are oversensitive to precipitation. Over the twenty-first century, changes in temperature sensitivities of NPP, Rh, and NBP are consistent across all RCPs but stronger under more intensive scenarios. The temperature sensitivity of NBP was found to decrease in tropics and subtropics and increase in northern high latitudes in MAM due to an increased temperature sensitivity of NPP. Across all biomes, projected temperature sensitivity of NPP decreased in JJA and SON. Projected precipitation sensitivity of NBP did not change across biomes, except over grasslands in MAM.
Subject Area普通生物学
WOS IDWOS:000406040200024
Language英语
Indexed BySCI
KeywordEarth System Models Land-surface Phenology Canada Boreal Forests Past 3 Decades Ecosystem Productivity Vegetation Phenology Northern-hemisphere Temporal Dynamics Spring Phenology Tropical Forests
WOS Research AreaMeteorology & Atmospheric Sciences
WOS SubjectMeteorology & Atmospheric Sciences ; Meteorology & Atmospheric Sciences
Cooperation Status国际
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8016
Collection图书馆
Corresponding AuthorPiao, SL
Affiliation1.Peking Univ, Sino French Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing, Peoples R China.
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China.
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China.
4.CEA CNRS UVSQ, Lab Sci Climat & Environm, Gif Sur Yvette, France.
5.Univ Arizona, Sch Nat Resources & Environm, Tucson, AZ USA.
Recommended Citation
GB/T 7714
Liu, YW ,Piao, SL ,Lian, X ,et al. Seasonal Responses of Terrestrial Carbon Cycle to Climate Variations in CMIP5 Models: Evaluation and Projection[J]. JOURNAL OF CLIMATE,2017,30(16):6481-6503.
APA Liu, YW ,Piao, SL ,Lian, X ,Ciais, P ,Smith, WK ,&Piao, SL.(2017).Seasonal Responses of Terrestrial Carbon Cycle to Climate Variations in CMIP5 Models: Evaluation and Projection.JOURNAL OF CLIMATE,30(16),6481-6503.
MLA Liu, YW ,et al."Seasonal Responses of Terrestrial Carbon Cycle to Climate Variations in CMIP5 Models: Evaluation and Projection".JOURNAL OF CLIMATE 30.16(2017):6481-6503.
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