نتایج جستجو برای: technogenic desertification
تعداد نتایج: 2649 فیلتر نتایج به سال:
Risk assessment provides the possibility of planning and management to prevent and reduce the risk of desertification. The present study is aimed to assess the hazard and risk of desertification and to develop management programs in the semi-arid western regions of Golestan Province in Iran. Desertification rate was obtained using the Iranian model of desertification potential assessment. Since...
About 80 percent of Iran is arid and semi-arid and about 35 percent of this area is susceptible to desertification hazard. Therefore desertification assessment and identification of the most important criteria for the assessment of risk and a basis for development of management plans is essential. This research was conducted in the semi-arid region of Agh-Band in the Golestan province, Iran wit...
this study used quantifying factors affecting desertification based on the iranian model of desertification potentialassessment (imdpa) to assess the current status of desertification in bordekhun region, iran. bordekhun region has anarea of 214.11 km2 and is located near the city of daiyer in boushehr province. first, a working unit map of the regionwas selected as the basic map for evaluation...
Throughout its life mankind faces various disasters and catastrophes: natural, technogenic, social. One of the important sources of information for these situations is the huge volume of unstructured data available in the global information networks. In this study, we describe a tool set that includes methods for extracting relevant texts from the networks, their classification and analysis. Tw...
The article is focused on the analysis of existence of an individual in the urban environment. A human being is referred to as an individual engaged in creative activity of developing and updating the urban environment. It is pointed out that the local designer environment is of complicated nature being under the influence technogenic, social and environmental factors. The author of the article...
due to increasing importance of desertification challenges and its consequences the necessity of sustainabledevelopment achievement in arid and semi-arid regions is essential in order to avoid limited sources asting, increase the efficiency of controlling, reclamation and restoration projects of natural areas. based on the iterature review, it has been recognized that combating desertification ...
Land degradation in arid and semi-arid regions caused by climate change and human activities makes it more susceptible to desertification. The aim of this research is assessing the intensity of desertification in Roudab plain of Sabzevar city using IMDPA model. So two criteria of climate and water as the main criteria affecting desertification process were considered based on field observations...
objective: more than 75 percent of iran is located in arid and semi-arid then land degradation and desertification are one of the crises ecological. we require a proper understanding of causes and processes of desertification to control the huge phenomenon on the global and regional situation. because southeast of iran located in arid land then assessment of desertification is very importance f...
Today one of the ecological crisis is the phenomenon of desertification that affecting the world. Desertification is more related to social and anthropogenic issues than natural causes and it becomes more important over the time. Monitoringis the systematic collection and analysis of information as a project progresses. In this study, using AHP method and GIS techniques has been to assess deser...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید