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Paper Information

Journal:   IRANIAN JOURNAL OF RANGE AND DESERT RESEARCH   SPRING 2006 , Volume 13 , Number 1 (22); Page(s) 17 To 26.
 
Paper: 

DETERMINATION OF DESERT AREAS OF HORMOZGAN PROVINCE FROM GEOLOGICAL ASPECT

 
 
Author(s):  CHOUPANI S., KHOSROUSHAHI MOHAMMAD, GHOLAMPOUR M., MIRAKHOURLOU KH.
 
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Abstract: 

The country of Iran is situated in an arid and semi-arid zone, with an average precipitation of about 250 mm per year. Hormozgan province in southern Iran, is one of the most arid parts of Iran with an average annual rainfall of only 170mm. The study area is located in the Zagros and Makran geological zones.. In the study area the oldest formations are of Palaeozoic age. Another characteristic of the Zagros zone are diapirs. Diapirs rise up from the deepest part of sedimentary rocks, and after cutting through the upper layers, they may appear at the surface, which seriously affect groundwater quality and land use.
Desertification; in Iran has occurred from Neosene and Quaternary. Geological formation has important effect on salinisation and desertification. Thus, the geographical investigation of desert area is very important. This investigation is based on GIS method Applications, geological map (1:250000) and supported by, fieldwork. At the first, prepared and digitizing of geological maps by Ilwis program and was carefully checked and corrected where possible. The next step prepared evaporation formation and Quaternary maps and its overlying. Prepared cross map of Quaternary and Hydrographic network and determination of primary and secondary deserts area. The final step was prepared a cross map of primary and secondary desert area map and checked by fieldwork. To comparison between units of desert area map, can be result, more than 78 percent of study area is situated in the deserts area.

 
Keyword(s): HORMOZGAN PROVINCE, EVAPO FORMATION, QUATERNARY FORMATION, PRIMARY DESERT, SECONDARY DESERT
 
References: 
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