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In this paper, we aim at exploring method and process of semi-automatic evaluation of damage of buildings with computer and high resolution remote-sensing images. Change detection of remote-sensing images from IKONOS with a resolution of a meter prior to and after the earthquake was executed and the semi-automatically rapid evaluation of damage of buildings was studied both by case of north area of...
Evaporative Fraction is an intermediary step to assess evapotranspiration and is also a primary component in many water balance models. The paper uses the Land surface temperature and albedo to assess the space-time variability of EF. By analyzing, the results show the precise inversion of EF characteristics in Arid/Semi-arid regions and suggest scientifically available.
Estimation of vegetation water content is central to the understanding of water cycle processes. The information of vegetation water content presents the healthy condition of the plant. Various methods were used to extract vegetation water content in semiarid area, however, Spectral indices were still widely used. In this paper, a global sensitivity analysis (GSA) using PROSPECT model was used to...
Taking the Northern Slope of the Tianshan Mountains (NSTM) as the study area, we investigated into the oases LUCC and information entropy change by using RS, GIS and statistical model. The results showed that, (1) Establishing mathematical models of the range, speed and trend index of LUCC, especially the model of LUCC trend and state, the state and trend of oasis LUCC can be deeply researched. Meanwhile,...
Urbanization has become an important contributor for global warming and urban air temperature is rising gradually in all the cities. It means that urban land use and land cover (LULC) changed became critical in determining the urban environment quality. This paper presents an integrated study to investigate and identify landscape pattern which have the influence to increase of land surface temperature,...
Land-use changes of oases city in Xinjiang played a significant role in the ecological stability and economic development of the arid regions in the Central Asia. Urumqi was a typical oasis city of the temperate zone in the Northern Slope Economic Zone of Tianshan Mountain. Based on Landsat MSS of 1972, Landsat TM of 1990 and 2006, it got three periods of land- use data and six land-use types (cropland,...
The main obstacles in current distributed hydrological modeling are the lack of sufficient data for driving the models and for parameterization of the land surface and subsurface. This study applied remote sensing (RS) based input data in a hydrological model for the 19012 km2 Kaidu River basin in Northwest China. Based on the geography information system (GIS) technique, the digital elevation model...
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