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Published yearly: 

4 Issues

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ISSN: 2320-964X (Online) 

ISSN: 2320-7817  (Print)

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Editor-in-Chief

Dr. Santosh Pawar 


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ORIGNAL ARTICLE

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Int. Journal of Life Sciences, 2016; 4(1):89-96 |  Available online, April 11, 2016

GIS- based morphometric analysis of major watersheds of Tehran- Karaj, Central of Iran

 

Sajjad Fazel Tavassol* and Gopalakrishna GS

Department of Studies in Earth Science, Manasagangotri, University of Mysore, Mysore 570 006, India.

*Corresponding author E-mail : s.fazeltavasol@yahoo.com

Received: 06.12.2015    |   Revised: 17.012.2015    |   Revise received: 04.01.2016

Accepted: 16.02.2016   |   Published : 11.04.2016

The study area, Tehran-Karaj plain is situated in  central part of Iran, lies between  latitudes 36°10′  to 35°04′ N and longitudes 50°38′, to 51°45′ E covering an area of 4762sq km comprising of 4 sub-watersheds (A,B,C and D). Morphometric analysis is important in any hydrological investigation and it is inevitable in development and management of drainage basin. The present study involves the Geographic Information System (GIS) analysis techniques to evaluate and compare linear relief and aerial morphometric of the 4 subwater sheds. The drainage network shows that the terrain exhibits dendritic to sub-dendritic drainage pattern. Stream orders ranges from fourth to fifth order. Drainage density varies between 0.21 and 0.4 km/km2 and has very coarse to coarse drainage texture. The relief ratio is ranging from 0.004 to0.017. The mean bifurcation ratio varies from 2.37 to 3.77 and falls under normal basin category. The elongation ratio shows that ‘C’ watershed possesses circular shape while remaining sub-watersheds mark elongated pattern.

 

Keywords: Morphometric analysis, GIS and Remote sensing , Tehran –karaj water shed, sub water shed

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Editor: Dr. Arvind Chavhan

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Cite this article as:

Sajjad Fazel Tavassol and Gopalakrishna GS  (2016) GIS- based morphometric analysis of major watersheds of Tehran- Karaj, Central of Iran. International J. of Life Sciences, 4(1): 89-96.

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Copyright: © 2016 | Author(s), This is an open access article under the terms of the Creative Commons Attribution-Non-Commercial - No Derivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.


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    INTERNATIONAL JOURNAL OF

    LIFE SCIENCES

    Print ISSN : 2320-7817 

    Online ISSN:2320-964X

    UGC Approved Journal No. 48951


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