Evaluating the impact of climate change on the planning of optimal allocation of water resources in Kohgiluyeh and Boyer-Ahmad
Evaluating the impact of climate change on the planning of optimal allocation of water resources in Kohgiluyeh and Boyer-Ahmad Abstract In recent years, reduction of precipitation following climate change had undesirable effects on various sectors, especially water resources in the province. For Manage these conditions requires recognizing the two dimensions such as, climate behavior and the optimal and efficient allocation of water resources in important and consumer sectors such as agriculture. In this research, investigate climatic behavior and climate change prediction with approach of evaluating dry spells in the middle decade based on the emission scenario RCP4.5 and HadGEM2-ES Model for the province. Identified High risk areas under the influence climate oscillation. Then, for the control and optimal allocation of water resources in the catchment area in the province, using the Compromise Programming method (CP), the first step extracted and weighted allocation criteria, and finally done analysis sensitivity to climate change. Ration each regions of surface water availability allocated. The results showed that with considering the climatic state and sensitivity analysis of the model from an average of 12 billion m3 of surface storage, areas such as Yasuj and Sisakht with increasing the length of dry spells in the future and, they have a larger share in the final optimal allocation values (33% and 19%). In contrast, in hot and dry areas such as Basht, Charam and Gachsaran Because of lower sensitivity, received the lowest optimal allocation values with 6, 7 and 10% in all of the final allocation.
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