Paper Information

Journal:   IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH   SUMMER 2006 , Volume 13 , Number 2 (23); Page(s) 102 To 108.
 
Paper: 

DETERMINATION OF THE CLIMATIC & GEOLOGICAL DESERTS CHARACTERISTICS IN TEHRAN PROVINCE

 
 
Author(s):  HOSSEINI MAJID*, KHOSROUSHAHLI M., ATAPOUR A., KARAMI S.A.
 
*  RESEARCH CENTER FOR AGRICULTURE AND NATURAL RECOURSES OF TEHRAN PROVINCE
 
Abstract: 

Characteristics of desert areas are different from viewpoint of various sciences. Surveying the desert descriptions from viewpoint of geology, geomorphology, climatology, land cover and pedology sciences shows diversity of desert characteristics. Each one of the mentioned sciences has introduced special indices to identify desert. Therefore to achieve a common description of desert and to classify them in order to use in natural resources fields is a very necessary matter. In this research, the desert indices have been surveyed and assessed from viewpoint of geology, geomorphology, climatology, pedology and land cover sciences then according to it, the desert characteristics which commonly accepted by scientists and experts of the related science have been determined and the desert plan has been drawn from viewpoint of that science and then, by overlying, geomorphology, climatology, pedology and land cover maps determined Climatic deserts. Therefore consider to effective factors, the province deserts were divided in 3 groups include of geologic deserts resulted from the desert indices of geology and hydrology, climatic deserts resulted from desert characteristics of climate, land cover, pedology and geomorphology. By overlying all of 6 maps, they contribute only one zone that it was named real or hard desert .the desert characteristics of all factors and appropriate to that, the general characteristics of the related desert limits was obtained. According to the obtained results, the geologic, climatic and hard deserts have 2170.21, 6768 and 342.42 km2 area in Tehran province respectively and have allocated to themselves 11.2%,35% and 1.4% of the total province surface respectively.

 
Keyword(s): CLIMATICAL DESERT, GEOLOGICAL DESERT, GEOMORPHOLOGY, PEDOLOGY, VEGATATION COVER
 
References: 
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