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Interannual variability of terrestrial net ecosystem productivity over China: regional contributions and climate attribution
Zhang, L (Zhang, Li)1,2; Ren, XL (Ren, Xiaoli)1; Wang, JB (Wang, Junbang)1; He, HL (He, Honglin)1,2; Wang, SQ (Wang, Shaoqiang)1,2; Wang, MM (Wang, Miaomiao)1,9; Piao, SL (Piao, Shilong)3,4; Yan, H (Yan, Hao)5; Ju, WM (Ju, Weimin)6,7; Gu, FX (Gu, Fengxue)8; Zhou, L (Zhou, Lei)1; Niu, ZG (Niu, Zhongen)1,9; Ge, R (Ge, Rong)1,9; Li, YY (Li, Yueyue)1,9; Lv, Y (Lv, Yan)1,9; Yan, HM (Yan, Huimin)1,2; Huang, M (Huang, Mei)1; Yu, GR (Yu, Guirui)1,2
Source PublicationENVIRONMENTAL RESEARCH LETTERS
2019
Volume14Issue:1Pages:14003
DOI10.1088/1748-9326/aaec95
Abstract

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.

Subject AreaEnvironmental Sciences & Ecology
WOS IDWOS:000455056100003
Language英语
Indexed BySCI
KeywordSemiarid Ecosystems Nitrogen Deposition Carbon Budget Model Sensitivity Dynamics Fluxes Trend
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
Cooperation Status国内
ISSN1748-9326
Department高寒生态与人类适应
URL查看原文
PublisherIOP PUBLISHING LTD
SubtypeArticle
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9455
Collection图书馆
Corresponding AuthorHe, HL (He, Honglin)
Affiliation1.Chinese Acad Sci, Synth Res Ctr, Chinas Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modeling,Inst, Beijing 100101, Peoples R China;
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China;
3.Peking Univ, Sinofrench 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.Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, L ,Ren, XL ,Wang, JB ,et al. Interannual variability of terrestrial net ecosystem productivity over China: regional contributions and climate attribution[J]. ENVIRONMENTAL RESEARCH LETTERS,2019,14(1):14003.
APA Zhang, L .,Ren, XL .,Wang, JB .,He, HL .,Wang, SQ .,...&Yu, GR .(2019).Interannual variability of terrestrial net ecosystem productivity over China: regional contributions and climate attribution.ENVIRONMENTAL RESEARCH LETTERS,14(1),14003.
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):14003.
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