The water balance analysis of Kordan Basin (north west of Iran)

As Iran has a semi-arid to arid climate, ground water resource application is of significant importance. The Kordan Basin is also one of the areas that due to excessive application has faced a sharp fall of 2-4m in the ground water level in the last 30 years. Thus, in order to determine the paramete...

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Bibliographic Details
Main Author: MOGHIMI, H
Format: Conference Proceeding
Language:English
Subjects:
Agricultural management
Aquifers
Arid climates
Aridity
Basins
Budgeting
Budgets
Earth sciences
Earth, ocean, space
Exact sciences and technology
Groundwater
Groundwater levels
Hydrology. Hydrogeology
Mathematical analysis
Order parameters
Reservoirs
Strategic management
Water balance
Water levels
Water resources
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Summary:As Iran has a semi-arid to arid climate, ground water resource application is of significant importance. The Kordan Basin is also one of the areas that due to excessive application has faced a sharp fall of 2-4m in the ground water level in the last 30 years. Thus, in order to determine the parameters affecting the water level fall and to study the Plain aquifer situation, it is necessary to prepare a water balance. Hashtgerd Plain is located in 36[ordm-05' to 36[ordm-45' latitude and 50[ordm-30' to 50[ordm-55' longitude. The budget area is 468.45 km super(2) and located in the north west of Tehran. The balance (budget) elements were examined one by one by applying different methods and the present equations for the ground water, then having applied the general budget equation, the reservoir volume changes for the water year 1996-97 were studied and calculated. In the calculations, two items were considered: first, it was confirmed that there has been a fall in ground water level and a decrease in aquifer reservoir volume of the Kordan Basin, secondly, the reasons for the fall and reduction were studied and clarified. Based on the present situation of the Plain it is necessary for the relevant organizations, especially the Ministry of Power and Agriculture, to have a joint project with joint planning. There should be some short, mid and long-term projects and in the mid and short term there must be strategic management to keep the water level stable. For the long-term projects, the objective should be focused on both water and agricultural.
ISSN:1746-4498
1743-3509
DOI:10.2495/GEO080071