Volume 9, Issue 1 (2005)
MJSP 2005, 9(1): 47-75 |
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Rezaei Moghaddam M H, Saghafi M. Application of New Techniques in Classification and Analysis of Geomorphologic Hazards in the Development of Tabriz City. MJSP 2005; 9 (1) :47-75
URL: http://hsmsp.modares.ac.ir/article-21-9138-en.html
URL: http://hsmsp.modares.ac.ir/article-21-9138-en.html
1- Assistant Professor , Department of Natural Geography, Tabriz University
2- Ph.D. Student, Department of Geomorphology, Tabriz University
2- Ph.D. Student, Department of Geomorphology, Tabriz University
Abstract: (6793 Views)
Tabriz has special restrictions in its physical development. From the view point of geomorphology view, the city is faced with hazards for developing, such as: earthquakes, mass movements and floods. Geomorphologic hazards of the city have been reviewed in this paper.
The aim of this study is classification of stable and unstable regions of Tabriz. For attaining this aim, Geographic Information System (GIS), Digital Elevation Model (DEM) and Normalized Difference Vegetation Index (NDVI) have been used. Landsat satellites images (type TM) have been used for increasing the accuracy of needed data. Mixing all data in GIS environment generated the maps of limitations for city development and of hazardous areas of the city. Maps can be classified in two groups:
a) The map of ruggedness of the city and its suburbs, b) The maps of geomorphologic hazardous areas of the city for developing such as: the map of hydrological hazards, land-cover limitations, instabilities of lithological conditions and faults distribution in the city and its suburbs.
The maps are applicable in the development planning of the city. The results showed that banks of Mehraneh Roud, and also Baghmisheh and Valiasr areas are considered hazardous area in Tabriz. However, earthquakes hazards are equal in the city and suburbs because of sub-faults distributed in all area of the city.
Keywords: geomorphology, Tabriz, Geographic information system, Digital Elevation Model, Normalized Difference Vegetation Index
Received: 2004/04/24 | Accepted: 2005/02/26 | Published: 2010/04/26
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