对环境管理的影响:通过修改的遥感生态指数,评估成都城市生态环境质量
Fengheng Sun1, Shengwei Zhao1, Xiao He1
1College of Environment Sciences, Sichuan Agricultural University, Chengdu, China.
Environmental monitoring and assessment
|September 16, 2025
概括
城市生态环境质量 (EEQ) 由于快速城市化而显著下降,到2021年,贫困地区增加了163.70%. 一个环境发展场景显示了未来EEQ增强的潜力.
科学领域:
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
- 城市生态城市生态学
背景情况:
- 快速的城市化加剧了生态压力,需要精确的城市生态环境质量 (EEQ) 评估,以实现可持续发展.
- 现有的方法需要改进,以捕捉复杂的城市生态动态.
研究的目的:
- 引入修改后的遥感生态指数 (MRSEI),整合气溶光学深度 (AOD),以改进EEQ评估.
- 分析时空模式,驱动机制以及中国城市EEQ的未来情景.
主要方法:
- 开发了包含AOD,NDVI,湿度,NDBSI和LST的MRSEI.
- 使用PCA,Moran's I,RDA,RF-SEM和CA-Markov模型进行分析和预测.
- 利用30米分辨率的数据用于局部精度的时空和场景分析.
主要成果:
- MRSEI值波动,在2011年达到最低点;适度的EEQ占主导地位 (68.62%).
- 到2021年,贫穷的EEQ区域增加了163.70%,而好的/优秀的EEQ区域减少了.
- 西方的土地使用/覆盖是关键;城市化扩大了GDP/人口密度对EEQ的影响.
结论:
- 城市化对EEQ产生了重大影响,区域差异被观察到.
- 环境发展情景为未来的EEQ改进提供了一个有希望的途径.
- 这些发现为可持续的城市规划和生态管理提供了科学基础.
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