Arid
DOI10.1016/j.agwat.2021.107005
A modelling platform for climate change impact on local and regional crop water requirements
Masia, Sara; Trabucco, Antonio; Spano, Donatella; Snyder, Richard L.; Susnik, Janez; Marras, Serena
通讯作者Masia, S (corresponding author), IHE Delft Inst Water Educ, Land & Water Management Dept, Westvest 7, NL-2611 AX Delft, Netherlands.
来源期刊AGRICULTURAL WATER MANAGEMENT
ISSN0378-3774
EISSN1873-2283
出版年2021
卷号255
英文摘要The impact of climate change on agriculture is projected to be more severe over the coming years due to changing intensity, magnitude and distribution of precipitation, soil water content, atmospheric water vapor, higher temperatures, and thus larger evapotranspiration. This will have significant consequences for irrigation requirements, especially in semi-arid area of Southern Europe, which is recognised as a climate change hotspot. Since the total water use to satisfy agricultural demand is currently about 25% of total water withdrawal in Europe and up to 80% in some Mediterranean countries, improvements in water management are needed to cope with worsening climate conditions. Although several crop models (e.g. EPIC, WOFOST, CERES-Maize) and hydrological models (e.g., DREAM, SWAT, HYDRUS) have been developed, the call for developing models able to couple crop growth, soil water balance, and irrigation practices to assess agricultural water management both at local and regional scale is increasing. In this work, the Simulation of Evapotranspiration of Applied Water (SIMETAW#) model is implemented in R programming language with two new versions able to estimate crop water consumption, irrigation demand and scheduling at local (SIMETAW_R) and regional scale (SIMETAW_GIS platform) using extensive climate and environmental geospatial datasets. SIMETAW_R was validated in ten experimental sites, and SIMETAW_GIS performance in Mediterranean countries was assessed by estimating the impact of climate change on maize, wheat, and wine grape water requirements in the past (1976-2005) and future climate conditions (2036-2065), under RCP4.5 and RCP8.5 scenarios. Results show that in Mediterranean countries, maize, wheat, and grape production will require on average about 13%, 16%, and 10% more water, respectively, under future climate. This represents a considerable challenge for water resources management, especially with demand increasing in other sectors. The tool showed great potential in estimating climate change impact on crop water consumption and irrigation requirements, both at local and regional scale, and offers new analytical skills for water resources management planners for improved decision-making.
英文关键词Crop water requirements Evapotranspiration SIMETAW model Spatial modeling Water scarcity RCPs
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000687382100001
WOS关键词RIVER-BASIN ; IRRIGATION ; EVAPOTRANSPIRATION ; SIMULATION ; TEMPERATURE ; PERFORMANCE ; GRAPEVINES ; RESPONSES ; SYSTEMS ; DEMAND
WOS类目Agronomy ; Water Resources
WOS研究方向Agriculture ; Water Resources
来源机构University of California, Davis
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/362366
作者单位[Masia, Sara; Susnik, Janez] IHE Delft Inst Water Educ, Land & Water Management Dept, Westvest 7, NL-2611 AX Delft, Netherlands; [Masia, Sara; Trabucco, Antonio; Spano, Donatella; Marras, Serena] Univ Sassari, Dept Agr, Viale Italia 39, I-07100 Sassari, Italy; [Masia, Sara; Trabucco, Antonio; Spano, Donatella; Marras, Serena] CMCC Fdn, Euro Mediterranean Ctr Climate Change, IAFES Div, Viale Italia 39, I-07100 Sassari, Italy; [Snyder, Richard L.] Univ Calif Davis, Land Air & Water Resources Dept, One Shields Ave, Davis, CA 95616 USA
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Masia, Sara,Trabucco, Antonio,Spano, Donatella,et al. A modelling platform for climate change impact on local and regional crop water requirements[J]. University of California, Davis,2021,255.
APA Masia, Sara,Trabucco, Antonio,Spano, Donatella,Snyder, Richard L.,Susnik, Janez,&Marras, Serena.(2021).A modelling platform for climate change impact on local and regional crop water requirements.AGRICULTURAL WATER MANAGEMENT,255.
MLA Masia, Sara,et al."A modelling platform for climate change impact on local and regional crop water requirements".AGRICULTURAL WATER MANAGEMENT 255(2021).
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