Investigation of Water Allocation Conditions in Aharchay Basin under Climate Change Impacts

Document Type : Research Paper

Authors

1 MSc in Engineering and Water Resources Management, Graduate University of Advanced Technology.

2 Assistant Professor, Department of Ecology, Institute of Science and High Technology and Environmental Science, Graduate University of Advanced Technology, Kerman, Iran

3 Visiting Professor at Deprtment of Water Resources Management, Faculty of Civil Engineering, Graduate University of Advanced Technology.

Abstract

Introduction
Regarding water scarcity and climate change in Iran, it is necessary to choose an appropriate model for water resources management. To study the effects of climate change, the outputs of AOGCMs Models were used (Lane et al., 1999). Downscaled weather data using LARS-WG model were then used in the watershed simulation model to estimate the streamflow and crop water requirement so as to evaluate the effects of climate change. Hydrologic models were, indeed, needed to simulate the streamflow, and input to the watershed simulation model so as to estimate water supply in the watershed. WEAP model can be used for investigating and simulating the water system performance under the influence of climate and management scenarios. (Tarek et al., 2017). The purpose of this study was, thus, to investigate the climate change impacts on the amount of streamflow to water supply into the Sattarkhan reservoir as well as the allocation of water in Aharchay watershed.
 
 
Methodology
Historical data were used to develop and calibrate the rainfall-runoff. The projections of a GCM were downloaded and downscaled using LARS-WG. The modified weather and resultant streamflow were then implemented in WEAP to analyze climate change impacts on water allocation.

Keywords

Main Subjects

References

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Irrigation Sciences and Engineering
Volume 42, Issue 4
December 2019
Pages 195-210

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History

  • Receive Date: 29 September 2017
  • Revise Date: 25 April 2018
  • Accept Date: 29 April 2018
  • Publish Date: 22 December 2019

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