Flood Exposure Mapping- Kerala
Flood is one of the main hazards in Kerala, with almost 15% of the total area prone to floods. Understanding the area and population exposed to floods enables better rescue and rehabilitation plans.
Study area
Situated in the south-western corner of India.
Arabian Sea to the west and the Western Ghats to the east
Total geographic area - 38,863 sq. km.
Topography - hot and wet coastal plain gradually rising in elevation to the high hills and mountains
Climate - wet and maritime tropical
Flood hazard map 10 years projection RCP 8.5
MapX developed by UNEP/GRID-Geneva and UNEP
Population Data (2015)
Taken from GHSL - Global Human Settlement Layer
Landuse Data
Taken from ESA WorldCover
The maps are created using raster analysis in QGIS
Population exposed to floods
Total population exposed to the flooding will be around 3 million.
Landuse exposed to floods
Among the landuse categories Croplands affected was 6.6 million sq m and Forest affected was 22 million sq m
Closer view of one of the districts in the study area - Population exposed to flooding
