Determining proper method of preliminary forecasting of mountain and forest roads using GIS

using GIS capability and information-simultaneous management. This study accomplished to determine proper method for forecasting traces of mountain, forest, recreational regions and forest remains roads, in Sorkhab watershed, Khorram Abad. Concerning to environmental principals and network topology...

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Main Authors: Nosratollah Raafatnia, Omid Abdi, Sha'ban Shataee
Format: Article
Language:fas
Published: Research Institute of Forests and Rangelands of Iran 2006-09-01
Series:تحقیقات جنگل و صنوبر ایران
Subjects:
Online Access:http://ijfpr.areeo.ac.ir/article_108315_a4937e6841da96668d148dca204bb782.pdf
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author Nosratollah Raafatnia
Omid Abdi
Sha'ban Shataee
author_facet Nosratollah Raafatnia
Omid Abdi
Sha'ban Shataee
author_sort Nosratollah Raafatnia
collection DOAJ
description using GIS capability and information-simultaneous management. This study accomplished to determine proper method for forecasting traces of mountain, forest, recreational regions and forest remains roads, in Sorkhab watershed, Khorram Abad. Concerning to environmental principals and network topology of forest roads, affecting factors in road tracing were studied after gathering of data and necessary maps.  The interested maps including slope, landslide hazard, future land use, distance to village regions, recreational, and holly places were prepared as raster format using GIS. With concerning of importance of their categories, the maps were classified with range of 1 to 9. Using Analytical Hierarchy Process (AHP) method, the maps were weighted with regard to mentioned affecting factors. By overlaying of the weighted maps using GIS, the suitable regions map was prepared for tracing. The forest routes were automatically projected using PEGGER program implemented with ARCVIEW software. The TIN Digital Elevation Model was generated using 1:25000 digitized maps. The new 20 meters intervals contours were again produced from digital elevation model. Necessary layers including route location suitable regions map, streams, village regions, recreational and future land use imported to determine the routes. Regarding to kinds of roads the desired grades were inserted in PEGGER program. The various traces between two points were rapidly predicted and suitable routes were selected after valuation. Besides of road tracing in regions with low expenses for road making, results showed that using this method could prepare the feasible road network for interested area and important land uses such as forest and tourism areas.  In the other hand, with consideration of present data in current condition such as digitized maps in this study, introduced method is an appropriate method for forecasting of preliminary route of mountain and forest roads in extensive scale so that this method can be replaced with the traditional methods in Iran.
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spelling doaj.art-d6ca4cff191b4572a579370bd3c2ab252022-12-21T17:43:38ZfasResearch Institute of Forests and Rangelands of Iranتحقیقات جنگل و صنوبر ایران1735-08832383-11462006-09-01143257244108315Determining proper method of preliminary forecasting of mountain and forest roads using GISNosratollah Raafatnia0Omid Abdi1Sha'ban Shataee2Assistant professor, Gorgan University of Agricultural science and natural ResourcesM. Sc. Forestry.Assistant professor, Gorgan University of Agricultural science and natural Resourcesusing GIS capability and information-simultaneous management. This study accomplished to determine proper method for forecasting traces of mountain, forest, recreational regions and forest remains roads, in Sorkhab watershed, Khorram Abad. Concerning to environmental principals and network topology of forest roads, affecting factors in road tracing were studied after gathering of data and necessary maps.  The interested maps including slope, landslide hazard, future land use, distance to village regions, recreational, and holly places were prepared as raster format using GIS. With concerning of importance of their categories, the maps were classified with range of 1 to 9. Using Analytical Hierarchy Process (AHP) method, the maps were weighted with regard to mentioned affecting factors. By overlaying of the weighted maps using GIS, the suitable regions map was prepared for tracing. The forest routes were automatically projected using PEGGER program implemented with ARCVIEW software. The TIN Digital Elevation Model was generated using 1:25000 digitized maps. The new 20 meters intervals contours were again produced from digital elevation model. Necessary layers including route location suitable regions map, streams, village regions, recreational and future land use imported to determine the routes. Regarding to kinds of roads the desired grades were inserted in PEGGER program. The various traces between two points were rapidly predicted and suitable routes were selected after valuation. Besides of road tracing in regions with low expenses for road making, results showed that using this method could prepare the feasible road network for interested area and important land uses such as forest and tourism areas.  In the other hand, with consideration of present data in current condition such as digitized maps in this study, introduced method is an appropriate method for forecasting of preliminary route of mountain and forest roads in extensive scale so that this method can be replaced with the traditional methods in Iran.http://ijfpr.areeo.ac.ir/article_108315_a4937e6841da96668d148dca204bb782.pdfdesigning of proper routeenvironmental principalsforest and mountain roadsGISSorkhab watershed
spellingShingle Nosratollah Raafatnia
Omid Abdi
Sha'ban Shataee
Determining proper method of preliminary forecasting of mountain and forest roads using GIS
تحقیقات جنگل و صنوبر ایران
designing of proper route
environmental principals
forest and mountain roads
GIS
Sorkhab watershed
title Determining proper method of preliminary forecasting of mountain and forest roads using GIS
title_full Determining proper method of preliminary forecasting of mountain and forest roads using GIS
title_fullStr Determining proper method of preliminary forecasting of mountain and forest roads using GIS
title_full_unstemmed Determining proper method of preliminary forecasting of mountain and forest roads using GIS
title_short Determining proper method of preliminary forecasting of mountain and forest roads using GIS
title_sort determining proper method of preliminary forecasting of mountain and forest roads using gis
topic designing of proper route
environmental principals
forest and mountain roads
GIS
Sorkhab watershed
url http://ijfpr.areeo.ac.ir/article_108315_a4937e6841da96668d148dca204bb782.pdf
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