نتایج جستجو برای: by using geographic âinformation system

تعداد نتایج: 9399471  

Ali Gorgizade Mehdi Esmaeili Mohammad Bagherian Marzouni, Mojtaba Rafiei N. Jafarzade Haghighifard

Bamdezh wetland with the geographical coordinates of   north longitude, east latitude and an area of 44 square Kilometers, is located in about 40 km northwest of Ahvaz and Shavur River is the main source of its supply. This wetland is not only a habitat and suitable food source for aquatic and migratory birds, but as well a significant resource of income for the locals. Today, with the arrival ...

Lack of awareness of the critical factors involved in production of plants and sometimes, the cultivation of plants in areas unsusceptible to plant, can increase the amount of chemical fertilizer consumption in order to compensate the subsequent reduction of plant yield. This would increase environmental pollution. Thus, identifying of suitable areas where could supply plants initial needs of t...

The main purpose of the present study was to assess the ecological capability of agricultural soils using geographic information system (GIS). This research was conducted during 2014 in Hamedan Province, Iran. A cross-sectional study was conducted mapping the 10 factors of soil characteristics (texture, depth, erosion, and aggregation, percentage of slope, direction of slope, height, soil salin...

Land cover/land use categories are relevant components in land management. Understanding how land cover/land use change over time is necessary to assess the consequences of humans and natural stressors on the earth’s environment and resources. The aim of the study was to map and monitor the spatial and temporal change in land cover/land use for the periods of 1977, 1991 and 2016 and to predict ...

A. Asghari E. Taghvaye Salimi V. Gholami,

Rivers are important water resources for human life, but sometimes cause irreparable damages. The flood plains are fertile terrains which are endangered by flood. Flood hazard mapping is one of the basic methods in flood fighting. In order to decline flood damages, the simulation of the hydraulic behavior of the rivers during flood occurrence is very important. In this study, areas that are flo...

Ecotourism, as the leading sector of the tourism industry, relies on utilizing environmental capabilities, and needs proper management decisions. In this context, the identification of ecological and environmental power is the most basic step. This study by considering the middle of the city as the sample of this province due to its ecological superiority and using the hierarchical analysis pro...

This study recommends a GIS-based (Geographic Information Systems) and multi-criteria evaluation for site selection of gas power plant in Natanz City of Iran. The multi-criteria decision framework integrates legal requirements and physical constraints related to environmental and economic concerns. It also builds a hierarchy model for gas power plant suitability. The methodologies used for site...

Information of the land uses is important for many activities, including the planning and the land management such territorial planning changes from recent decades to now. In this research has been afforded that the different land uses changes to be investigated and analyzed. For this purpose, using the satellite images from 1991 to 2016 and using the classification method of maximum likelihood...

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