对于沿海工程项目的远程监控方法
C Cabezas-Rabadán1,2, J E Pardo-Pascual3, J Palomar-Vázquez3
1Geo-Environmental Cartography and Remote Sensing Group (CGAT), Department of Cartographic Engineering, Geodesy and Photogrammetry, Universitat Politècnica de València, Camí de Vera S/N, València, Spain. carcara4@upv.es.
Scientific reports
|January 23, 2025
概括
一种新的低成本卫星遥感方法可以监测海岸线变化. 这种方法量化了沿海工程项目的性能,通过可访问的形态数据改进了沿海管理和决策.
科学领域:
- 沿海工程的工程.
- 地质科学是地球科学.
- 遥感是一种远程传感.
背景情况:
- 沿海工程项目往往缺乏施工后监测,原因是成本高和短期融资.
- 这限制了海岸线稳定结构和海营养性能的量化.
- 准确的数据对于有效的沿海管理至关重要,因为侵蚀的挑战日益增加.
研究的目的:
- 提出一种新的,低成本的方法论方法来描述工程操作造成的海岸线位置变化.
- 允许在项目实施之前,期间和之后对海岸线演变进行高时间和空间分辨率的监测.
- 通过克服普遍缺乏监测来改善沿海工程实践.
主要方法:
- 使用来自Landsat 5,7,8,9和Sentinel-2星座的公开卫星图像.
- 使用自动海岸线提取工具SHOREX来识别和提取卫星衍生水线.
- 编制水线位置,量化时间差异,并构建一个矩阵,以便轻松解释侵蚀/积累模式.
主要成果:
- 在各种空间和时间尺度上展示了一种方法来描述海对沿海工程行动的反应.
- 成功地将该方法应用于西班牙瓦伦西亚海岸,展示了它的实用性.
- 能够对干预前后沿海变化的详细分析.
结论:
- 开发的卫星遥感方法为监测海岸线演变提供了具有成本效益的解决方案.
- 该方法提供了可访问的形态数据,帮助非专家了解沿海变化.
- 这种方法通过促进强大的干预前后分析和改善决策,提高了沿海工程实践.
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