نتایج جستجو برای: changes area
تعداد نتایج: 1396072 فیلتر نتایج به سال:
Of the applications of remote sensing and satellite images in natural resources is distinguishing and detection of changes in land surface. The image classification using Maximum Likelihood (MLC) is one the prevalent method which is used in a study of the application of TM and ETM+ satellite images to detect sediment deposition on an implemented floodwater spreading scheme. In order to implemen...
One of the characteristics of the modern international systems is the undeniable role the new communication technologies play in different sections of human societies. Modern communication technologies such as satellites and computers have challenged the national authority and sovereignty of Vestfallian states. Although national states, specially, in the third world countries, extremely resist...
the present study illustrates the long-term changes in selected socioeconomic variables (population,industrial activities, settlement dispersion, and land-use) together with climate aridity trends in thriasio, the larger industrial area of greece located twenty kilometers far from athens. this region, originally devoted to agriculture, experienced fast industrial and economic development during...
Land use/cover change is one of the main factors in environmental changes. The changes directly affect the value of ecosystem services. The purpose of this research is to evaluate the effect of land use/land cover change in the Kashkan area on its ecosystem services. This research was carried out in three stages, including the analysis of land cover changes, prediction of changes, and carbon st...
Qomrood river is one of the rivers that located in arid and semiarid area which has a seasonal fluvial. The river is faced many changes, because of floods or natural- human factors. This study, as a geomorphologic study, tries to survey and identify geometric changes between Kocherey dam and 15-Khordad dam. The study method is a mix of library research and field studies. In library method all p...
the aim of this paper is to investigate the role of producer cooperatives (pcs) on rural development in fars, khorasan, semnan, golestan and hamadan provinces of iran in 2007. more specifically, this paper focuses on the economic aspects and social changes occurred in rural area concerning the cooperatives development. in order to measure quantitatively the effectiveness of economic and social ...
Haftad-Gholleh Area has recently encountered many changes. In this study, by using landsat images of the years 1996 and 2016, landuse maps were classified into four classes including: agriculture, rangeland, residential areas, and rocks. Land Change Modeler (LCM) and Habitat and Biodiversity Modeler (HBM) modules in the Idrisi GIS software were used to analyze the land use changes and habitat e...
Livelihood of rural people depends on the use of land and the exploitation of natural resources and forest. Therefore, their activities can have significant effects on these resources. The magnitude of these effects and changes in the level of the forest are affected by the development level of the villages. The main objective of this study is to investigate the relationship between the develop...
Investigation of sediment control factors in river channels a catchment can play very important role the sustainable management that catchment. For this purpose, Ardak was selected, on which reservoir dam constructed for drinking and agricultural purposes large city Mashhad northeastern Iran. Then 57 samples were collected from surface to depth 30 cm along four rivers: A (14), B (23), C (13), D...
the international relations course was basically under the dominion of positivistic realistic (and in its newest form, the neorealistic) tendencies, and accordingly provided some concepts as a basis for analyzing the international relation and global policies. but since 1980s and under the influence of the changes caused by the emerge of post structuralist and post modernist approaches in the a...
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