Assessment of climate change impacts on Agricultural water demands
Publish place: 9th International Congress on Civil Engineering
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCE09_1429
تاریخ نمایه سازی: 7 مهر 1391
Abstract:
Long-term planning of water resources strongly depends on climate change and its effects on water resources and consumptions. In the past, infrastructures planning and development programs wereintended based on historic data of climate. But in recent decades according to the climate change impactson these planning and programs, moving toward estimation of its effects and finding appropriate strategies to overcome its risks has been interested. One of these effects is impacted on water uses,especially agriculture. In this research the impacts of climate change on water demands of agriculture in the downstream of dam in Zayandehrud river basin for future development of agriculture has been studied. For this purpose we calculate the reference crop evapotranspiration with Penman – Monteithequation and gross water demands of agricultural sectors with AGWAT software. Then the LARS-WG model has been used for down-scaling the parameters of climate change periods. Results show that because of increasing in agriculture water demands, water resources management in the basin will face with big challenges in future. So to reduce this hazard we propose a solution which works with changing in cropping pattern in the basin
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Authors
Morteza Safaei
Graduated MSc, Civil engineering-Water engineering, Isfahan University of Technology
Hamidreza Safavi
Associated Professor, Department of Civil engineering, Isfahan University of Technology
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