With the rapid development of remote sensing technology, it has become a technical means of geological research and geological survey. Remote sensing can realize rapid and large area information extraction and provide...With the rapid development of remote sensing technology, it has become a technical means of geological research and geological survey. Remote sensing can realize rapid and large area information extraction and provide effective method for geological hazard extraction. However, due to regional differences, there are some differences between geological hazard occurrence characteristics and extraction indexes in different regions. This paper takes Linjiang City, Jilin Province as an example to extract geological hazards with multisource data. The results show that the remote sensing method can realize the extraction of debris flow, collapse, landslide and other geological hazards in the study area, and obtain high accuracy.展开更多
文摘With the rapid development of remote sensing technology, it has become a technical means of geological research and geological survey. Remote sensing can realize rapid and large area information extraction and provide effective method for geological hazard extraction. However, due to regional differences, there are some differences between geological hazard occurrence characteristics and extraction indexes in different regions. This paper takes Linjiang City, Jilin Province as an example to extract geological hazards with multisource data. The results show that the remote sensing method can realize the extraction of debris flow, collapse, landslide and other geological hazards in the study area, and obtain high accuracy.