globalchange  > 过去全球变化的重建
DOI: 10.1016/j.scitotenv.2019.03.408
WOS记录号: WOS:000466979400022
论文题名:
Multi-scale assessment of eco-hydrological resilience to drought in China over the last three decades
作者: Liu, Wenbin1; Sun, Fubao1,2,3; Sun, Shaobo4; Guo, Limai5; Wang, Hong1; Cui, Huijuan6
通讯作者: Liu, Wenbin ; Sun, Fubao
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN: 0048-9697
EISSN: 1879-1026
出版年: 2019
卷: 672, 页码:201-211
语种: 英语
英文关键词: China ; Drought ; Eco-hydrological resilience ; ET ; GPP ; Water use efficiency
WOS关键词: WATER-USE EFFICIENCY ; SPATIOTEMPORAL VARIATIONS ; PRIMARY PRODUCTIVITY ; TIBETAN PLATEAU ; GLOBAL DROUGHT ; CLIMATE ; EVAPOTRANSPIRATION ; EVAPORATION ; ECOSYSTEM ; IMPACT
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

Understanding to what extent can terrestrial ecosystems maintain their structure and functions and recover after being hit by drought is critical for sustainable ecosystem management and drought mitigation practices. This study assesses multi-scale (i.e., at grid, climate type, land use, basin, province scales) eco-hydrological resilience to drought over China during the period of 1982-2015, based on Standard Evapotranspiration Deficit Index as well as satellite-retrieved evapotranspiration (ET) and net primary production (NPP). Over the last three decades, the ecosystem water use efficiency (eWUE) increased in most regions of China (especially in Northeast China and North China Plain) in the context of climate change. The western China showed a significant wetting trend with ascending ET, GPP and eWUE. The SEDI and Er showed significantly increasing tendencies but the ecosystem GPP and eWUE did not exhibit obvious responses to regional wetting in the middle and lower reaches of Yangtze River basin. Most terrestrial ecosystems in China were found overall resilient to drought except for mild temperature-fully humid-warm summer at the climate type scale, water type at the land use scale, Northwest Rivers at the basin scale as well as Ningxia, Qinghai, Shanghai and Hong Kong at the province scale. These findings would facilitate the identification of most drought-vulnerable regions for ecosystem management and taking reasonable adaptation measures (e.g., use of alternative water resources or reuse water, water conservation and smart irrigation) to ensure the sustainability of terrestrial ecosystems during the drought periods over China. (C) 2019 Elsevier B.V. All rights reserved.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/141178
Appears in Collections:过去全球变化的重建

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作者单位: 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 101408, Peoples R China
3.Chinese Acad Sci, Ctr Water Resources Res, Beijing 1001018, Peoples R China
4.Tianjin Univ, Inst Surface Earth Syst Sci, Tianjin 300072, Peoples R China
5.Nanjing Univ, Sch Geog & Ocean Sci, Nanjing 210023, Jiangsu, Peoples R China
6.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China

Recommended Citation:
Liu, Wenbin,Sun, Fubao,Sun, Shaobo,et al. Multi-scale assessment of eco-hydrological resilience to drought in China over the last three decades[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019-01-01,672:201-211
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