Using space-based information, the Centre for Space Science and Technology Education in Asia and the Pacific (CSSTEAP) affiliated to the United Nations has analysed the recent failure of a dam around the Sardoba Reservoir in Uzbekistan. Following a week of heavy rain in the region, the wall of the dam broke on 1 May and flooded surroundings in Uzbekistan as well as Kazakhstan to the north. According to media reports, the breach led to the evacuation of thousands of people in the area.
The analysis carried out by CSSTEAP makes use of MODIS multi-temporal satellite images to identify the maximum spread of the floods, which was observed on 2 May. Waters receded in the following days, although they are still visibile along the border between the two countries on imagery from 12 May.
With the help of Landsat 8 and…more