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首页> 外文期刊>Journal of Urban Planning and Development >Spatial Pattern Analysis of Urban Sprawl: Case Study of Jiangning, Nanjing, China
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Spatial Pattern Analysis of Urban Sprawl: Case Study of Jiangning, Nanjing, China

机译：城市扩张的空间格局分析-以南京江宁为例

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摘要

Over the past 30 years, land development and consumption have been out of control and have kept expanding blindly, especially to marginal areas of some metropolises in China. The conflict caused by urban sprawl among socioeconomic development, resources, ecology, and the environment is becoming more and more severe. This study's primary objective is to recognize the spatial patterns of urban sprawl. Taking Jiangning District as a research area, the built-up areas of four different years (1979, 1988, 1997, and 2003) were extracted from classified images using Landsat MSS/TM images. These, together with landscape metrics such as contagion index, fractal-dimension index, and shape index where used to recognize the spatial patterns of sprawl in Jiangning. From classified images, rapid urban expansion with low density towards the urban fringe has been observed. The sprawling area in the north part is more severe, and sprawling areas also include the marginal area of the nearby suburbs. These findings were tested through landscape metrics, which was necessary to quantify the spatial patterns of urban sprawl. This study demonstrates that timely and accurate monitoring is very important for understanding the relationships and interactions between human and natural phenomena, and that it can promote efficiency. Additionally, combining remote sensing with landscape metrics is an effective way to determine the spatial patterns of urban sprawl.
机译：在过去的30年中，土地开发和消费一直处于失控状态，并且盲目扩张，尤其是在中国某些大都市的边缘地区。在社会经济发展，资源，生态和环境之间，城市蔓延造成的冲突越来越严重。这项研究的主要目的是认识城市扩张的空间格局。以江宁区为研究区域，使用Landsat MSS / TM图像从分类图像中提取了四个不同年份（1979、1988、1997和2003）的建筑面积。这些与景观指标（如传染指数，分形维数和形状指数）一起用于识别江宁市蔓延的空间格局。从分类图像中，已经观察到低密度的城市快速向城市边缘扩展。北部的蔓延区域更为严重，蔓延区域还包括附近郊区的边缘地区。这些发现通过景观指标进行了测试，这对于量化城市扩张的空间格局是必不可少的。这项研究表明，及时准确的监测对于理解人与自然现象之间的关系和相互作用非常重要，并且可以提高效率。此外，将遥感与景观指标相结合是确定城市扩张空间格局的有效方法。

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