The Water Balance Analysis Of Kordan Basin
(north West Of Iran)
Author(s)
H. Moghimi
Abstract
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 36º-05´ to 36º-45´ latitude and 50º-
30´ to 50º-55´ longitude. The budget area is 468.45 km² 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.
Keywords: water balance, budget elements, water year, budget area, Kordan
Basin, Hashtgerd Plain.
1 Introduction
As Iran has an arid and semi-arid climate, water is an invaluable asset and its use
needs proper programming and sometimes critical management. In order to
Keywords
water balance, budget elements, water year, budget area, Kordan
Basin, Hashtgerd Plain.
Related Book
Other papers in this volume
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