I am trying to create a flash flood model for Montserrat, I cant seem to find any tutorials online. I also don't know which software to use. I have DEM data of 5 m resolution. I am fairly new to GIS software btw! anyway I believe Hec-ras is mentioned a lot but may not be available to me as I am in the UK I think?? I initially wanted to use ermapper as it is simpler than ARC-MAP OR QGIS. please any help would be much appreciated. Thank you
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