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Satellite remote sensing for urban growth assessment in Shaoxing City, Zhejiang Province

机译:卫星遥感技术在浙江省绍兴市的城市发展评估中的应用

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摘要

Urban growth represents specific response to economic, demographic and environmental conditions. Rapid urbanization and industrializations have resulted in sharp land cover changes. The present investigation was carried out from Shaoxing City to quantify satellite-derived estimates of urban growth using a three-epoch time series Landsat TM data for the years 1984, 1997 and ETM 2000. The methodology used was based on post classification comparison. The use of GIS allowed spatial analysis of the data derived from remotely sensed images. Results showed that the built-up area surrounding Shaoxing City has expanded at an annual average of 7 km2. Analysis of the classified map showed that the physical growth of urban area is upsetting the other land cover classes such as farming, water resources, etc. The study conclusion mainly emphasized the need for sustainable urban capacity.
机译:城市增长代表着对经济,人口和环境状况的具体反应。快速的城市化和工业化导致土地覆盖率急剧变化。本次调查是从绍兴市进行的,目的是使用1984、1997年和ETM 2000年的三个时期的Landsat TM数据对卫星得出的城市增长估算进行量化。所使用的方法基于分类后比较。 GIS的使用允许对从遥感图像获得的数据进行空间分析。结果表明,绍兴市周围的建筑面积以年均7 km2的速度增长。对分类地图的分析表明,城市的物理增长正在破坏其他土地覆盖类别,如农业,水资源等。研究结论主要强调了可持续城市承载力的必要性。

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