A technique to enhance spatial resolution of land cover classification result.

With long-term satellite imagery, such as Landsat and MODIS, land cover change could be assessed.

Flood detection in mountain area using CCTV imagery with 1 minute interval.

Combining VGI, UAV and flood simulation model to reconstruct a flash flood occurred in an urban area.

For disasters, such as flooding and landslide, SAR imagery has an important role to play in providing regular observation data.