气候变化领域集成服务门户(CCPortal): Interannual variability of terrestrial net ecosystem productivity over China: Regional contributions and climate attribution

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DOI	10.1088/1748-9326/aaec95
	Interannual variability of terrestrial net ecosystem productivity over China: Regional contributions and climate attribution
	Zhang L.; Ren X.; Wang J.; He H.; Wang S.; Wang M.; Piao S.; Yan H.; Ju W.; Gu F.; Zhou L.; Niu Z.; Ge R.; Li Y.; Lv Y.; Yan H.; Huang M.; Yu G.
发表日期	2019
ISSN	17489318
卷号	14 期号:1
英文摘要	China's terrestrial ecosystems play an important role in the global carbon cycle. Regional contributions to the interannual variation (IAV) of China's terrestrial carbon sink and the attributions to climate variations are not well understood. Here we have investigated how terrestrial ecosystems in the four climate zones with various climate variabilities contribute to the IAV in China's terrestrial net ecosystem productivity (NEP) using modeled carbon fluxes data from six ecosystems models. Model results show that the monsoonal region of China dominates national NEP IAV with a contribution of 86% (69%-96%) on average. Yearly national NEP changes are mostly driven by gross primary productivity IAV and half of the annual variation results from NEP changes in summer. Regional contributions to NEP IAV in China are consistent with their contributions to the magnitude of national NEP. Rainfall variability dominates the NEP annual variability in China. Precipitation in the temperate monsoon climate zone makes the largest contribution (23%) to the IAV of NEP in China because of both the high sensitivity of terrestrial ecosystem carbon uptake to rainfall and the large fluctuation in the precipitation caused by the East Asian summer monsoon anomalies. Our results suggest that NEP IAV can be mainly attributed to ecosystems with larger productivity and response to precipitation, and highlight the importance of monsoon climate systems with high seasonal and interannual variability in driving internannual variation in the land carbon sink. © 2019 The Author(s). Published by IOP Publishing Ltd.
英文关键词	biogeochemical modeling; climate change; ecosystem carbon dynamics; interannual variability; net ecosystem productivity
语种	英语
scopus关键词	Atmospheric thermodynamics; Carbon; Climate change; Climate models; Forestry; Rain; Biogeochemical modeling; East Asian summer monsoon; Ecosystem carbons; Gross primary productivity; Interannual variability; Net ecosystem productivities; Seasonal and interannual variability; Terrestrial ecosystems; Ecosystems; annual variation; biogeochemistry; carbon flux; carbon sink; climate change; ecological modeling; net ecosystem production; net primary production; precipitation (climatology); rainfall; seasonal variation; terrestrial ecosystem; China; Far East
来源期刊	Environmental Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/154729
作者单位	Synthesis Research Center of China's Ecosystem Research Network, Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100190, China; Sino-French Institute for Earth System Science, College of Urban and Environment Sciences, Peking University, Beijing, 100871, China; Key Laboratory of Alpine Ecology and Biodiversity, Institute of Tibetan Plateau Research, CAS Center for Excellence in Tibetan Plateau Earth Science, Chinese Academy of Sciences, Beijing, 100085, China; National Meteorological Center, China Meteorological Administration, Beijing, 100081, China; International Institute for Earth System Science and Jiangsu Provincial, Key Laboratory of Geographic Information Science and Technology, Nanjing University, Nanjing, 210023, China; Key Laboratory of Dryland Agriculture, MOA, Institute of E...
推荐引用方式 GB/T 7714	Zhang L.,Ren X.,Wang J.,et al. Interannual variability of terrestrial net ecosystem productivity over China: Regional contributions and climate attribution[J],2019,14(1).
APA	Zhang L..,Ren X..,Wang J..,He H..,Wang S..,...&Yu G..(2019).Interannual variability of terrestrial net ecosystem productivity over China: Regional contributions and climate attribution.Environmental Research Letters,14(1).
MLA	Zhang L.,et al."Interannual variability of terrestrial net ecosystem productivity over China: Regional contributions and climate attribution".Environmental Research Letters 14.1(2019).