Pattern and directions of spaceborne-airborne-ground collaborated intelligent monitoring on the geo-hazards developing environment and disasters in glacial basin
WU Lixin, LI Jia, MIAO Zelang, WANG Wei, CHEN Biyan, LI Zhiwei, DAI Wujiao, XU Wenbin
2021, 50(8):
1109-1121.
doi:10.11947/j.AGCS.2021.20210107
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As the climate in western China becomes increasingly wet and warm, the geo-hazards developing environment in glacial basin varies quickly and the glacial disasters occur frequently. The glacial basin is characterized by rough topography, remote places, and fast changing land covers. More importantly, the glacial disasters are usually developed in chain and the mass source is located in very high altitude. Consequently, the conventional spaceborne-airborne-ground collaborated monitoring technologies on landslide and open-pit slope slide cannot play an effective role on monitoring the variation of glacial basin and glacial disasters. In this paper, based on the contents and difficulties of monitoring, we introduce the usable modern surveying and remote sensing technologies, and analyze their limits. Subsequently, aiming at the different monitoring elements and quality requirements, we propose the connotation of spaceborne-airborne-ground collaborated intelligent monitoring on the glacial basin and glacial disasters, i.e., platform collaboration, time collaboration, parameter collaboration and scale collaboration, and design a task-driven and knowledge-guided technical pattern. Finally, targeting on three fundamental tasks, i.e., the simulation of disaster scenario in single glacier basin, the study of geo-hazards developing environment and risk recognition in multiple glacier basins, and the emergency response of glacial disaster, we present the preliminary schemes of spaceborne-airborne-ground collaborated intelligent monitoring. Finally, the intelligent issues of the spaceborne-airborne-ground collaborated monitoring on the geo-hazards developing environment and disasters in glacial basin are discussed, and the future works are planned.
