Modelling water resources for planning irrigation development in drought-prone southern Chile

被引：14

作者：

McNamara, Ian ^{[1
]}

Nauditt, Alexandra ^{[1
]}

Zambrano-Bigiarini, Mauricio ^{[2
]}

Ribbe, Lars ^{[1
]}

Hann, Hamish ^{[1
]}

机构：

[1] Tech Univ Cologne, Inst Technol & Resources Management Trop & Subtro, Cologne, Germany

[2] Univ La Frontera, Dept Civil Engn, Temuco, Chile

来源：

INTERNATIONAL JOURNAL OF WATER RESOURCES DEVELOPMENT | 2021年 / 37卷 / 05期

关键词：

Drought; water allocation; irrigation development; WEAP; climate change; Chile; MANAGEMENT; ALLOCATION; CLIMATE; RISK; SYSTEM; SCALE; BASIN;

D O I：

10.1080/07900627.2020.1768828

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

To foster poverty reduction in drought-prone Araucania, the Chilean Irrigation Commission is planning an important expansion of irrigated areas. Scenarios incorporating climate change (2030-2059) were simulated for a pilot basin using the WEAP water allocation model, showing that larger irrigated areas, coupled with higher temperatures and less precipitation, are likely to cause severe seasonal water scarcity. As decision support for the planning of effective measures to increase drought resilience, we modelled the construction of two upstream reservoirs combined with higher irrigation efficiency. We find that unmet water demand can be reduced by up to 97.7% by these measures.

引用

页码：793 / 818

页数：26

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