Hi Good People,
I hope you are doing very great at your place. Today's video is about Flood Risk Assessment and Mapping using Weighted Sum/Overlay techniques in ArcGIS. Here, I have used total Seven (7) variables/factors that influences to increase flood susceptibility such as precipitation, drainage density, distance from river, distance from road, elevation, slope, land use and land cover map. I did not show here the variables preparation map as I have already uploaded these in this channel. The links are given below;
LULC Map preparation: • Supervised Image Class...
Drainage density/Watershed delineation: • Watershed Delineation ...
Calculate drainage density: • How to Calculate Strea...
Rainfall map: • Download Rainfall Data...
Slope map: • Slope, Aspect, Contour...
Elevation/DEM Map: • Digital Elevation Mode...
Distance from road, river: • LULC Prediction Tutori...
Shapefile (Road, river) download: • Shapefile download (Co...
Please be careful that Cell Size and coordinate system for all thematic maps must be same.
Another Best Tutorial for Flood Risk Assessment: • Flood Susceptibility M...
I hope you will find this tutorial easy and helpful. Thank you for being with GIS & RS Solution Channel.
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