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Creating surface area of water body by DTM and water level gauge

Question asked by surftrial on Jun 19, 2020
Latest reply on Jun 19, 2020 by

Hi folks,
do you know whether its possible to derrive/create surface area of a water body by applying only DTM and

water level gauge in GIS?

The attachment illustrates the DTM for the water reservoir , red lined the described aim, to create a surface ( or even polyline) by appying water gauge level.

Are further data required for that task?


Thanks for your comments.