نتایج جستجو برای: anthropogenic impervious surfaces
تعداد نتایج: 156379 فیلتر نتایج به سال:
Rapid urbanization influences the landscape pattern of impervious surfaces, and potentially affects surface water quality. Using ArcGIS Fragstats, this study analyzed temporal change surfaces in Shanghai over past 45 years, its driving forces impact on quality were also analyzed. The results show that both low high showed different degrees expansion, as a result, pervious area reduced by 40.1% ...
Impervious surface has been recognized as a key indicator in assessing urban environments. However, accurate impervious surface extraction is still a challenge. Effectiveness of impervious surface in urban land-use classification has not been well addressed. This paper explored extraction of impervious surface information from Landsat Enhanced Thematic Mapper data based on the integration of fr...
Impervious surface area is a key indicator of environmental quality. Satellite remote sensing of impervious surface has focused on subpixel analysis via various forms of statistical estimation, subpixel classification, and spectral mixture analysis, using medium resolution Landsat TM or ETM+ data. Maps of impervious surface area from these studies provide useful inputs to planning and managemen...
Impervious surface cover is commonly used as an environmental indicator for land use and watershed planning. The net quantity of impervious surface added per quantity of residential and commercial development, including the added impervious at the development site as well as the offsite impacts associated with the development (e.g., roads, other infrastructure), can serve as a partial measure o...
Terrain surfaces conserve human activities in terms of textures and structures. The objective of geomorphological filters is to distinguish between anthropogenically undisturbed and disturbed surfaces. Filters applied over high-resolution DTM show a clear anthropogenic character of contour lines and channels. Based on methodology of geomorphometry and geo-statistics a series of analyses functio...
Urban growth, typified by conversion from natural to built-up impervious surfaces, is known cause warming and associated adverse impacts. Local climate zones present a standardized technique for evaluating the implications of urban land use surface changes on temperatures overlying atmosphere. In this study, long term in local Bulawayo metropolitan city were used assess influence city’s growth ...
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