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    Abstract
2013 (Vol. 5, Issue: 09)
Article Information:

Determining the Origin of Aeolian Sediments of Chah Nimeh4 Located at the Sistan Plain, Iran

Hossein Negaresh and Mehdi Jadid Aleslami
Corresponding Author:  Hossein Negaresh 

Key words:  120-day winds, chah nimeh 4, determining the origins, sand dunes, zabol, ,
Vol. 5 , (09): 516-524
Submitted Accepted Published
June 05, 2013 June 22, 2013 September 20, 2013
Abstract:

In order to combat and control wind erosion of Sistan Plain, with an area of 8117 km2 and with a poor and dry climate, understanding the origin or areas of its wind deposits is of particular importance. To determine the origin of the sediments existing in reservoir of the Chah Nimeh 4, studying and comparing aerial photographs and satellite images from different periods, studying the winds in the area and its positioning include geomorphological study of the concerned area, sediment sampling of the sediments and performing required mineralogical tests. This study includes collecting local information about erosion, studying the general geomorphology and winds in the area. Therefore, an important purpose of this study was to identify the critical wind erosion Association (origins) and identification of the deleterious effects of wind. According to the obtained results, occurring drought in the area of Sistan and consequently reducing vegetation and making Hamoun Lake drought as well as 120-day winds have provided favorable conditions for wind erosion and occurring dust storms. It was estimated that the origin of existing sediments in the reservoir of Chah Nimeh is the erosive winds in the area from north to north-west and with 330 to 360. The most important areas of deposits are abandoned land, sandy land-fields and puffy salt lake basin plain of Hamoun Lake and northern plains (in Afghanistan) in that sand storms and moving sandy plains are considered as threatening factors in the area.
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  Cite this Reference:
Hossein Negaresh and Mehdi Jadid Aleslami, 2013. Determining the Origin of Aeolian Sediments of Chah Nimeh4 Located at the Sistan Plain, Iran.  Research Journal of Environmental and Earth Sciences, 5(09): 516-524.
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ISSN (Online):  2041-0492
ISSN (Print):   2041-0484
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