I often need to obtain the elevation versus volume data for a proposed basin site but have not found a truly automated solution. I would simply like to create a bounding contour polygon of the DEM area of interest and extract a table or plot of the elevation v volume characteristics of that area. I can write a python script to do this but feel I must be re-inventing the wheel so pose this question to the forum before creating my own code. I note that earlier questions have dealt with the more complex issue of a variable elevation flood surface but not the simpler contour elevation versus volume.
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