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Decelerating Autumn CO2 Release With Warming Induced by Attenuated Temperature Dependence of Respiration in Northern Ecosystems
Liu, D (Liu, Dan)1; Piao, SL (Piao, Shilong)1,2,3,4; Wang, T (Wang, Tao)1,2; Wang, XH (Wang, Xuhui)5; Wang, XY (Wang, Xiaoyi)1; Ding, JZ (Ding, Jinzhi)1; Ciais, P (Ciais, Philippe)5; Penuelas, J (Penuelas, Josep)6,7; Janssens, I (Janssens, Ivan)8
Source PublicationGEOPHYSICAL RESEARCH LETTERS
2018-06-16
Volume45Issue:11Pages:5562-5571
DOI10.1029/2018GL077447
AbstractFeedbacks from the carbon cycle in boreal and arctic ecosystems can significantly affect climate change, but the effects of climate change on the high-latitude carbon cycle during the dormant period remain uncertain. By analyzing the long-term atmospheric CO2 concentration record from Point Barrow in Alaska, we show that warming significantly boosts net CO2 release in autumn over the period 1974-2014. But this warming-stimulated effect has been attenuated since 1997. This deceleration of net CO2 release with warming is ascribed to the attenuation in respiration response to temperature rather than changing relationship between temperature and productivity or changes in atmospheric transport, fossil fuel emissions, or air-sea CO2 exchanges. The attenuated respiration response is likely due to decoupling between temperature and plant-derived carbon inputs to soil for decomposition. Contrary to previous suggestions, warming no longer results in a higher autumn net CO2 release.
WOS IDWOS:000436249900039
Language英语
Indexed BySCIE
KeywordATMOSPHERIC CARBON-DIOXIDE SOIL RESPIRATION PLANT RESPIRATION CLIMATE-CHANGE MODEL SENSITIVITY CYCLE ACCLIMATION SATELLITE ALASKA
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
Cooperation Status国际
ISSN0094-8276
Department高寒生态重点实验室
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8624
Collection图书馆
Affiliation1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Alpine Ecol & Biodivers, Beijing, Peoples R China;
2.Chinese Acad Sci, Ctr Excellence Tibetan Earth Sci, Beijing, Peoples R China;
3.Peking Univ, Sinofrench Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing, Peoples R China;
4.Univ Chinese Acad Sci, Beijing, Peoples R China;
5.Lab Sci Climat & Environm CEA CNRS UVSQ, Gif Sur Yvette, France;
6.CREAF, Cerdanyola Del Valles, Spain;
7.CSIC, Global Ecol Unit CREAF CEAB CSIC UAB, Cerdanyola Del Valles, Spain;
8.Univ Antwerp, Dept Biol, Antwerp, Belgium.
Recommended Citation
GB/T 7714
Liu, D ,Piao, SL ,Wang, T ,et al. Decelerating Autumn CO2 Release With Warming Induced by Attenuated Temperature Dependence of Respiration in Northern Ecosystems[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(11):5562-5571.
APA Liu, D .,Piao, SL .,Wang, T .,Wang, XH .,Wang, XY .,...&Janssens, I .(2018).Decelerating Autumn CO2 Release With Warming Induced by Attenuated Temperature Dependence of Respiration in Northern Ecosystems.GEOPHYSICAL RESEARCH LETTERS,45(11),5562-5571.
MLA Liu, D ,et al."Decelerating Autumn CO2 Release With Warming Induced by Attenuated Temperature Dependence of Respiration in Northern Ecosystems".GEOPHYSICAL RESEARCH LETTERS 45.11(2018):5562-5571.
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