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首页> 外文期刊>International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences >REMOTE SENSING EVALUATION OF ECOLOGICAL ENVIRONMENT OF ANQING CITY BASED ON REMOTE SENSING ECOLOGICAL INDEX
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REMOTE SENSING EVALUATION OF ECOLOGICAL ENVIRONMENT OF ANQING CITY BASED ON REMOTE SENSING ECOLOGICAL INDEX

机译：基于遥感生态指标的安庆市生态环境遥感评价

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Figuring out the regional ecological environment quality and ecological change is critical for ecological environment monitoring and management and urban construction planning. Based on the remote sensing ecological index (RESI), we evaluate the ecological quality and ecological change from 1999 to 2019 of Anqing city. Multi-temporal Landsat images are used to extract the four indicators of humidity, vegetation, heat and dryness, respectively. Then the RSEI is calculated by principal component analysis. The results show that the ecological quality of Anqing city declined from 1999 to 2019 and then grew slowly from 2009 to 2019. The eco-environmental quality of Anqing city dropped slightly from 1999 to 2019, and the regions with worse quality grades exceeded those becoming better. Particularly, we find that from 1999 to 2009, the area where the ecological quality became better made up 18.31% of the urban area, while the worse ecological area accounted for 29.68% of the urban area; from 2009 to 2019, the area of improved ecological environment reached 24.35%, while the area of degraded quality constituted 41.36%. Land-use changes dominated eco-environmental quality. The areas of poor eco-environmental quality expanded in residential regions and eco-environmental quality of mountainous area improved since returning cultivated land in steep hills into forest. The RSEI results are expected to provide a quantitative foundation for planning sustainable development and the rational use of resources in Anqing city.
机译：弄清楚区域生态环境质量和生态变革对生态环境监测和管理和城市建设规划至关重要。基于遥感生态指数（RESI），我们评估了1999年至2019年的宿庆市生态质量和生态变化。多时间覆盖图像分别用于分别提取湿度，植被，热和干燥的四个指标。然后通过主成分分析来计算RSEI。结果表明，安庆市的生态素质从1999年到2019年下降，然后从2009年到2019年慢慢增长。安庆市的生态环境质量从1999年到2019年略有下降，质量越来越糟糕的地区超过了那些更好的地区。特别是，我们发现，从1999年到2009年，该地区的生态质量变得更好，占城市地区的18.31％，而生态面积较差占市区的29.68％;从2009年到2019年，改善生态环境的领域达到24.35％，而质量退化的面积占41.36％。土地使用变化主导了生态环境质量。自住宅地区的生态环境质量差，山区生态环境质量的领域得到改善，因为陡峭的山丘耕地恢复到森林中。预计RSEI结果将为规划可持续发展和安庆市资源的合理利用提供定量基础。

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