The Evaluation of Geomorphologic Landforms for the Development of Human Settlements: A Case Study of Southeast Cities of Razavi Khorasan Province

Document Type : Research Paper

Authors

1 Assistant Professor, Faculty of Geography, University of Tehran, Tehran, Iran

2 PhD Holder, Forest, Range, and Watershed Management Organization of Iran, Tehran, Iran

3 PhD Student in Geomorphology, Faculty of Planning and Environmental Sciences, University of Tabriz, Tabriz, Iran

4 PhD Holder of Geomorphology, Faculty of Geography, Kharazmi University, Tehran, Iran

Abstract

The habitat development and establishment are directly related to the natural bedrock and geomorphologic complications. Due to topographical and geological conditions, the area under study has certain limitations in locating and developing human settlements. In order to reduce the hazards in the southeast of Khorasan Razavi province and modify plans for the development and establishment of human settlements, the feasibility of the area under study for residential development was investigated. After conducting library and field studies and selecting appropriate criteria, the fuzzy logic model was applied using the GIS software to identify areas for habitat development and establishment. In this study, to identify the potential areas for habitat development and establishment based on geomorphologic landforms, eleven parameters – including slope, slope direction, elevation, soil, land use, elevation, distance from fault, distance from river, distance from road, distance from settlement, and geomorphology – were used as independent variables in identifying geomorphological abilities and bottlenecks in the area. The results of zoning based on the fuzzy model showed that about 61% of the study area is located in very inappropriate and inappropriate classes, which means that geomorphological conditions in this part of the study area are unfavorable for the development and establishment of human settlements. About 14.58% of the study area has moderate conditions and about 24% of the study area shows favorable geomorphological conditions for construction activities and creation of new habitat areas. Alluvial fan units and alluvial plains are the most suitable sites for habitat development and establishment.

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Town and Country Planning
Volume 13, Issue 1
Spring & Summer
April 2021
Pages 167-191

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History

  • Receive Date: 11 January 2020
  • Revise Date: 21 June 2020
  • Accept Date: 21 June 2020

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