Volume 21, Issue 2 (Summer 2017)                   jwss 2017, 21(2): 57-68 | Back to browse issues page

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ebrahimiyan S, nohtani M, sadeghimazidi H. The Quantitative Zoning of Ground Surface by Quantitative Coefficients for Positioning the Optimal Flood Spreading (Case Study: Fasa Garebayegan Catchment). jwss 2017; 21 (2) :57-68
URL: http://jstnar.iut.ac.ir/article-1-2963-en.html
, m_nohtani@yahoo.com
Abstract:   (5987 Views)

The basis of spatial planning is the geomorphological zoning of ground surface, in which the first phase is determining the homogeneous zones of the ground surface in terms of geomorphological characteristics. The current study aimed at determining the proper zones for artificial feeding in Gahar mountainous region and Garebayegan plains in Fars province by the use of zoning the ground by Evans-Chezy quantitative coefficients. The quantitative zoning of ground surface plays a vital role in more accurate determination of the land capabilities due to precise determination and division of the types, facies, and surface terrains. For this study, the elevation numeral data with 10m resolution obtained from the National Cartographic Center was used. By the use of surface fitting tools in MATLAB software, the equation for each form was fitted to limited fragments of the surface and the program was applied. Then, each of the quantitative coefficients was illustrated as some zones. For determination of fitting degree, the total squared difference between the rate parameter was used and by the use of fitness degree, the propriety degree of the surface for optimal positioning of flood spreading with surface morphological view was determined. The results indicate that the surface downstream the alluvial fans and plains located on the southern region of the studied land is the most appropriate zone for the Flood Spreading. This area constitutes a surface of 10% of the total area of the region.

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Type of Study: Research | Subject: Ggeneral
Received: 2015/04/22 | Accepted: 2016/09/6 | Published: 2017/08/27

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