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Altered trends in carbon uptake in China's terrestrial ecosystems under the enhanced summer monsoon and warming hiatus
He, Honglin1; Wang, Shaoqiang1; Zhang, Li1; Wang, Junbang; Ren, Xiaoli; Zhou, Lei; Piao, Shilong2,3; Yan, Hao4; Ju, Weimin5,6; Gu, Fengxue7; Yu, Shiyong8; Yang, Yuanhe9,10; Wang, Miaomiao10; Niu, Zhongen10; Ge, Rong10; Yan, Huimin1; Huang, Mei; Zhou, Guoyi11; Bai, Yongfei9; Xie, Zongqiang9; Tang, Zhiyao12; Wu, Bingfang13; Zhang, Leiming1; He, Nianpeng1; Wang, Qiufeng1; Yu, Guirui1
AbstractThe carbon budgets in terrestrial ecosystems in China are strongly coupled with climate changes. Over the past decade, China has experienced dramatic climate changes characterized by enhanced summer monsoon and decelerated warming. However, the changes in the trends of terrestrial net ecosystem production (NEP) in China under climate changes are not well documented. Here, we used three ecosystem models to simulate the spatiotemporal variations in China's NEP during 1982-2010 and quantify the contribution of the strengthened summer monsoon and warming hiatus to the NEP variations in four distinct climatic regions of the country. Our results revealed a decadal-scale shift in NEP from a downtrend of -5.95 Tg C/yr(2) (reduced sink) during 1982-2000 to an uptrend of 14.22 Tg C/yr(2) (enhanced sink) during 2000-10. This shift was essentially induced by the strengthened summer monsoon, which stimulated carbon uptake, and the warming hiatus, which lessened the decrease in the NEP trend. Compared to the contribution of 56.3% by the climate effect, atmospheric CO2 concentration and nitrogen deposition had relatively small contributions (8.6 and 11.3%, respectively) to the shift. In conclusion, within the context of the global-warming hiatus, the strengthening of the summer monsoon is a critical climate factor that enhances carbon uptake in China due to the asymmetric response of photosynthesis and respiration. Our study not only revealed the shift in ecosystem carbon sequestration in China in recent decades, but also provides some insight for understanding ecosystem carbon dynamics in other monsoonal areas.
Keywordclimate change Asian summer monsoon warming hiatus biogeochemical modeling ecosystem carbon dynamics
Subject AreaMultidisciplinary Sciences
Indexed BySCI
WOS Research AreaScience & Technology - Other Topics
WOS IDWOS:000473767700024
Publication PlaceOXFORD
Funding OrganizationNational Key R&D Program of China [2016YFC0500200] ; Strategic Priority Research Program of Chinese Academy of SciencesChinese Academy of Sciences [XDA05050000, XDA19020301]
Corresponding Author Emailyugr@igsnrr.ac.cn
OAhybrid, Green Published
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Cited Times:20[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Synth Res Ctr Chinas Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Peking Univ, Sino French Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing 100871, Peoples R China
4.Chinese Acad Sci, Inst Tibetan Plateau Res, CAS Ctr Excellence Tibetan Plateau Earth Sci, Key Lab Alpine Ecol & Biodivers, Beijing 100085, Peoples R China
5.China Meteorol Adm, Natl Meteorol Ctr, Beijing 100081, Peoples R China
6.Nanjing Univ, Int Inst Earth Syst Sci, Nanjing 210023, Jiangsu, Peoples R China
7.Nanjing Univ, Jiangsu Prov Key Lab Geog Informat Sci & Technol, Nanjing 210023, Jiangsu, Peoples R China
8.Chinese Acad Agr Sci, Inst Environm & Sustainable Dev Agr, Key Lab Dryland Agr, MOA, Beijing 100081, Peoples R China
9.Jiangsu Normal Univ, Sch Geog Geomat & Planning, Xuzhou 221116, Jiangsu, Peoples R China
10.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
11.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
12.Chinese Acad Sci, Key Lab Vegetat Restorat & Management Degraded Ec, South China Bot Garden, Guangzhou 510650, Guangdong, Peoples R China
13.Peking Univ, Coll Urban & Environm Sci, Key Lab Earth Surface Proc, Dept Ecol,Minist Educ, Beijing 100871, Peoples R China
14.Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Beijing 100094, Peoples R China
Recommended Citation
GB/T 7714
He, Honglin,Wang, Shaoqiang,Zhang, Li,et al. Altered trends in carbon uptake in China's terrestrial ecosystems under the enhanced summer monsoon and warming hiatus[J]. NATIONAL SCIENCE REVIEW,2019,6(3):505-514.
APA He, Honglin.,Wang, Shaoqiang.,Zhang, Li.,Wang, Junbang.,Ren, Xiaoli.,...&Yu, Guirui.(2019).Altered trends in carbon uptake in China's terrestrial ecosystems under the enhanced summer monsoon and warming hiatus.NATIONAL SCIENCE REVIEW,6(3),505-514.
MLA He, Honglin,et al."Altered trends in carbon uptake in China's terrestrial ecosystems under the enhanced summer monsoon and warming hiatus".NATIONAL SCIENCE REVIEW 6.3(2019):505-514.
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