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Abstract of the Article

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Comparison of sedimental regimen with the amount of with drawing of sand and gravel of Faroub river of Naishabour and the effect of with drawing from river frontage

Authors:
[ ] - Department of watershed management , Faculty of Natural Resources university of mazadaran , sari , Iran
[ Habib Nejad Roshan ] -

Abstract:

Nowadays in all parts of the world and in Iran , sand and gravel of the rivers are being used in humanbeing's life . There fore , many amounts of sand and gravel are withdrawing and carriging from the bed of the rivers of country , but damages and negative results of this act is more than its benefits . Faroub Roman river is located in center part of Naishabour small province in khorason Rezavi province it is ariginated from heights of Binalood mauntain and it is proceeding to the sorth parts of its slopes . The area of this river is located in 15km of north part of Naishabour and its surface is 158.4 km . The fenus of the bed of this river is made from sand , graved and rubble stone and in these recent years the workers were withdrawing many amounts of sand and gravel from its bed . In most part of this river the deepth of withdrawing is reached to more than 2 m . In this article , with due attention to the sedimental regimen of the river , we want to calculate the permissible amount of withdrawing of sand gravel . also the effects of withdrawing on frontage of the river and on its morphology are studied with Pictures of the area .

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