遥感技术在数字孪生流域建设中的应用

Application of remote sensing technology in the construction of digital twin river basins

作为高时空特征“算据”的主要来源,遥感技术在数字孪生流域建设中发挥着重要作用,水利遥感面临着重大发展机遇。分析了遥感技术在水利行业的应用现状与存在的问题,提出了遥感技术在数字孪生流域建设中的应用总体思路和技术架构,从建设水利遥感一体化服务平台、提升遥感目标识别与变化检测智能化水平、突破天空地一体化水情监测与数字映射关键技术、提升流域遥感智能服务能力等方面阐述了主要内容和关键技术路线,以期为数字孪生流域建设提供精度更高、时效更强、覆盖更广、信息更准的一体化遥感智能服务。

As the main source of"calculation data"with high spatial-temporal characteristics,remote sensing technology plays an important role in the construction of digital twin river basin,and water works remote sensing is facing a great development opportunity.The application status and existing problems of remote sensing technology in water sector are analyzed,and the general idea and technical framework of remote sensing technology in digital twin river basin construction are put forward.The main contents and key technical routes are described from the aspects of building an integrated water sector remote sensing service platform,improving the intelligent level of remote sensing target identification and change detection,breaking through the key technologies of space-based integrated water regime monitoring and digital mapping,and improving the intelligent remote sensing service capability in river basins.It is expected to provide integrated remote sensing intelligent services with higher precision,stronger timelines,wider coverage and more accurate information for the construction of the digital twin river basins.