在1993年使用GEOBIA方法和开放数据以非常高的分辨率绘制Poitiers的过去土地覆盖面
Elie Morin1, Ny Tolotra Razafimbelo2, Jean-Louis Yengué3
1Université de Poitiers, Laboratoire Ecologie et Biologie des Interactions (UMR CNRS 7267), 3 rue Jacques Fort, 86000 Poitiers, France.
Data in brief
|December 14, 2023
概括
本研究重建了1993年法国普阿提的景观,使用非常高分辨率 (VHR) 图像和组合分类方法. 由此产生的土地覆盖地图为城市和生态研究提供了详细的见解.
科学领域:
- 遥感 遥感 遥感 遥感
- 地理信息系统 (GIS) 是指地理信息系统.
- 环境科学 环境科学
背景情况:
- 准确的土地覆盖数据对于理解城市动态和生态变化至关重要.
- 历史土地覆盖重建为长期环境监测提供了有价值的基线信息.
- 非常高分辨率 (VHR) 数据可以进行详细的景观特征.
研究的目的:
- 以非常高分辨率 (VHR) 重建法国普阿提的1993年土地覆盖面.
- 开发一个详细而准确的土地覆盖地图,整合多个数据源和分类技术.
- 为研究城市和生态挑战的研究人员和土地管理人员提供免费可访问的资源.
主要方法:
- 组合的单时间和多时间图像分类方法.
- 使用了非常高分辨率 (VHR) 空中图像 (0.5米分辨率) 和Landsat-5 TM图像 (5米分辨率).
- 整合修改的BD Topo®数据集,以补充土地覆盖信息.
主要成果:
- 实现了对整个土地覆盖面的高分类准确度 (86.31%的整体准确度,0.832卡帕指数).
- 在城市地区分类中表现出色 (kappa指数为0.897和0.881).
- 成功提取了树木和草本植物,在城市环境中比农村环境更好的细分.
结论:
- 开发的土地覆盖地图为波阿提提供了非常详细的历史景观信息.
- 该方法有效地整合了各种数据源,以进行可靠的土地覆盖地图绘制.
- 免费访问的地图是城市规划,生态研究和环境管理的宝贵工具.
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