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学科主题: 生物科学::普通生物学
题名: Estimation of gross primary production in China (1982-2010) with multiple ecosystem models
作者: Li, XR (Li, Xiran)1, 2; Zhu, ZC (Zhu, Zaichun)1; Zeng, H (Zeng, Hui)2, 3; Piao, SL (Piao, Shilong)1, 4
通讯作者: Zeng, H
刊名: ECOLOGICAL MODELLING
发表日期: 2016
卷: 324, 期:0, 页:33-44
收录类别: SCI
合作性质: 国内
文章类型: Article
英文摘要: Terrestrial gross primary production (GPP) is a major flux affecting land-atmosphere CO2 exchange and is important for regulating atmospheric CO2 concentrations, thereby affecting climate change. Dynamic global vegetation models (DGVMs) are important tools for simulation of vegetation productivity and can be coupled with other components of Earth system models. This study simulated GPP of terrestrial ecosystems in China from 1982 to 2010 utilizing five state-of-the-art DGVMs, which considered increasing atmospheric CO2 concentrations and climate change. Our models consistently showed an ascending GPP gradient from northwest to southeast China. The annual total GPP in China estimated by the DGVMs (mean = 7.97 PgCyr(-1); range = 6.14-9.76 PgCyr(-1)) were generally higher than estimations from previous studies. The greatest overestimation of GPP occurred in south China in warm, wet climates. All DGVMs and JU11 indicated that annual GPP in China increased from 1982 to 2010. There was a statistically significant correlation between simulated GPP and temperature in the Tibetan Plateau, which was supported by flux tower measurements. Additionally, there was a significant correlation between simulated GPP and precipitation in east China, though this should be interpreted cautiously. Further research is needed to improve simulations to better account for spatial and temporal variations in GPP at regional scales by improving representations of existing processes and incorporating currently unconsidered processes. (C) 2016 Elsevier B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000370835500004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7729
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Peking Univ, Coll Urban & Environm Sci, Sinofrench Inst Earth Syst Sci, Beijing 100871, Peoples R China
2.Peking Univ, Shenzhen Grad Sch, Shenzhen Key Lab Circular Econ, Shenzhen 518055, Peoples R China
3.Peking Univ, Coll Urban & Environm Sci, Dept Ecol, Beijing 100871, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Tibetan Earth Sci, Inst Tibetan Plateau Res, Beijing 100085, Peoples R China

Recommended Citation:
Li, XR ,Zhu, ZC ,Zeng, H ,et al. Estimation of gross primary production in China (1982-2010) with multiple ecosystem models[J]. ECOLOGICAL MODELLING,2016,324(0):33-44.
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