城市功能区的夜间光强度和亮度适用性
Ming Liu1, Ruicong Li2, Yiwei Li2
1School of Architecture and Fine Art, Dalian University of Technology, No.2, Ling Gong Road, Gan Jing Zi District, Dalian, 116024, Liao Ning province, China. liumingyitj@163.com.
Scientific reports
|July 11, 2025
概括
夜间灯光亮度显示城市功能,但存在不匹配. 使用平均夜间辐射和亮度因子识别过度照明的商业和港口区域的新方法,有助于制定照明政策.
科学领域:
- 城市研究 城市研究
- 遥感 遥感 遥感 遥感
- 地理信息系统 地理信息系统
背景情况:
- 城市功能区的确定是规划和资源分配的关键.
- 夜间光环境的亮度与城市功能相关.
- 现有的方法缺乏光分布的详细空间分析.
研究的目的:
- 用夜间光亮度分析城市功能区.
- 开发一个夜间光的多层次评估框架.
- 为了识别光线亮度和功能的不匹配的区域.
主要方法:
- 整合兴趣点 (POI) 和OpenStreetMap (OSM) 数据用于功能区域采样.
- 应用一个多层次评估框架 (区,街道,街区).
- 使用Luojia-1的夜间遥感图像.
主要成果:
- 在功能区之间观察到显著的亮度差异,表明与需求不匹配.
- 每单位面积的夜间平均辐射和亮度因子是有效的指标.
- 聚类确定了过亮 (商业,港口工业) 和低亮块.
结论:
- 夜间光的异质性与城市功能区划有关.
- 量化数据支持差异化城市照明管理政策.
- 通过分析夜间照明环境,优化城市规划.
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