نتایج جستجو برای: land use changes and road construction
تعداد نتایج: 17127987 فیلتر نتایج به سال:
forest road construction is the most costly operation in forestry. road designing and construction in unsuitable areas may increase construction and maintenance costs and also cause many environmental impacts. therefore, it is required to pay more attention to forest road design. in this research, we tried to introduce an appropriate method for locating forest roads using gis and ahp simultaneo...
today, the concerns and discussion about bio environmental and land usage changes have been considered seriously. so, the land usage for tourism purposes is considered as a basic subject. one of the reasons of land usage change is tourism activities. regarding to bandar anzali situation (coast region), it attracts the tourists attention to buy land in order to build homes and also attracts the ...
Not only have recent global challenges including drought, climate change, land degradation and land use change impacted the quantity of available surface water and groundwater, but also water quality has been affected as well. To study this impact, Landsat 5 satellite images and water quality data were obtained to compare the effects of land use changes on surface water quality between July of ...
the research used the satellite image (landsat 7 etm ) within the thermal infrared sixth band (tir6) and geographic information system (gis) to determine the air pollution and its relationship with the land cover (lc) and land use (lu) of baghdad city. concentration of total suspended particles (tsp), lead (pb), carbon oxides (co, co2), and sulphur dioxide (so2) were obtained from 22 ground mea...
quantifying urban landscape is fundamental for monitoring and assessing ecological and socioeconomic consequences of urbanization. expansion of roads is a significant factor driving urban landscape change. the aim of this research is quantifying impacts of roads on isfahan city landscape. to achieve this aim, land use map of isfahan was created in 6 classes: urban, green spaces, agricultural, b...
this study aimed to determine the effect of land use changes from rangeland to horti-agricultural lands on the most important qualitative characteristics of soil such as total soil carbon and particulate organic matter, in salavatabad region, sanandaj. in the present study, one rangeland, two cultivated pea lands, two cultivated wheat lands and two gardens were selected in growth season in the ...
A large part of Iran is considered a semi-arid regions and water is a limiting factor for human activities in these areas. One of the ways to eliminate seasonal shortages of water is using groundwater. Underground dams can be used for storing and using underground water, which can be used to improve the management of existing water resources and increase the productivity of these resources.1 . ...
The components and quantities of atmospheric dusts fallout has been reported to be the pollution indicator of large urban areas. The multiplicity and complexity of sources of atmospheric dusts in urban regions (e.g. industrial complexes composed of a variety of industrial processes, automobiles, construction activities etc.) has put forward the need of source apportionment of these sources indi...
Nowadays, the lack of attachment is a significant point in the construction of towns, which is demonstrated with criteria such as lack of environmental attraction and visual qualities, lack of readability, security, and so on. These factors will affect peoplechr('39')s relationship with the environment around them and thus their satisfaction. Golha Town faces numerous problems including lack of...
Recently, increasing population rate and urbanization growth, made the significance of land use more to double; So that the plan of land use in the cities has been encountered with vast imposed changes. In order to represent those changes, this study aims to model the land use changes, as an example in Khorramabad city, Lorstan province, Iran. In this regard, the raw Satellite images which capt...
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