globalchange  > 气候变化事实与影响
DOI: 10.1016/j.scitotenv.2019.01.001
WOS记录号: WOS:000457725700121
论文题名:
Increase in severe and extreme soil moisture droughts for Europe under climate change
作者: Grillakis, Manolis G.
通讯作者: Grillakis, Manolis G.
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN: 0048-9697
EISSN: 1879-1026
出版年: 2019
卷: 660, 页码:1245-1255
语种: 英语
英文关键词: Soil moisture index ; Soil moisture droughts ; JULES land surface model ; Drought events identification ; Agricultural drought projections ; Severe and extreme soil moisture droughts
WOS关键词: ENVIRONMENT SIMULATOR JULES ; LAND-SURFACE MODEL ; AGRICULTURAL DROUGHT ; POTENTIAL EVAPOTRANSPIRATION ; INDEX ; IMPACT ; WATER ; PROJECTIONS ; PRECIPITATION ; VULNERABILITY
WOS学科分类: Environmental Sciences
WOS研究方向: Environmental Sciences & Ecology
英文摘要:

Droughts are among the costliest natural disasters. They affect wide regions and large numbers of people worldwide by tampering with water availability and agricultural production. In this research, soil moisture drought trends are assessed for Europe using the Soil Moisture Index (SMI) estimated on Joint UK Land Environment Simulator simulations under two Representative Concentration Pathways, the RCP 2.6 and RCP 6.0 scenarios. Results show that SMI drought conditions are expected to exacerbate in Europe with substantial differences among regions. Eastern Europe and Mediterranean regions are found to be the most affected. Spatially and temporally contiguous regions that exhibit SMI of Severe and Extreme index categories are identified as distinct drought events and are assessed for their characteristics. It is shown that even under strong emissions mitigation, these events are expected to increase in occurrence (22% to 123%), while their characteristics will become more unfavorable. Results indicate increase in their spatial extend (between 23% and 46%) and their duration (between 16% and 48%) depending on the period and the scenario. Additional analysis was performed for the exceptionally wide-area (over 10(6) km(2)) severe and extreme soil moisture drought events that are expected to drastically increase comparing to the recent past. Projections show that those events are expected to happen between 11 and 28 times more frequently depending on the scenario and the period with a 59% to 246% larger duration. These findings indicate that even applying strong mitigation measures, agricultural drought risk in Europe is expected to become higher than our present experience. (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/134225
Appears in Collections:气候变化事实与影响

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作者单位: Tech Univ Crete, Sch Environm Engn, Khania, Greece

Recommended Citation:
Grillakis, Manolis G.. Increase in severe and extreme soil moisture droughts for Europe under climate change[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019-01-01,660:1245-1255
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