使用Sentinel-1和Sentinel-2评估道路建设对邻近水体度的影响
Mehrdad Ghorbani Mooselu1, Mohammad Reza Nikoo2, Helge Liltved3
1Norwegian Institute for Sustainability Research, 1672 Fredrikstad, Norway; Department of Engineering Sciences, University of Agder, Norway.
The Science of the total environment
|November 17, 2024
概括
远程传感数据有效地监测了高速公路建设工地附近的水度增加. 这种方法为道路开发期间的长期水质管理提供了宝贵的见解.
科学领域:
- 环境科学 环境科学
- 遥感 遥感 遥感 遥感
- 水资源管理 水资源管理
背景情况:
- 道路建设对水资源构成重大威胁,包括污染和息地退化.
- 监测水质变化对于减轻基础设施项目的环境影响至关重要.
研究的目的:
- 分析E18高速公路建设区附近水体的时空度变化.
- 评估谷歌地球引擎 (GEE) 中远程传感 (RS) 数据的有效性,以评估水质.
主要方法:
- 利用了 2017-2021 年的 Sentinel-1 (S1) 和 Sentinel-2 (S2) RS 数据.
- 应用了内陆水域 (MAIN) 算法对S2数据进行修改的大气校正以估计度.
- 根据全球GLORIA观测和当地数据验证的RS衍生度.
主要成果:
- 该MAIN算法准确地估计了离开水的表面反射率和度.
- 在度检索方面,Nechad算法被证明更有效.
- RS数据成功捕捉了与道路建设和运营相关的度趋势.
结论:
- 在GEE中的遥感提供了水度的有效的时空分析.
- 这种方法支持在道路建设期间进行知情的水质管理.
- 这些发现证实了道路建设对增加水度的影响.
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