A lake is a body of relatively still water of considerable size, localized in a basin, that is surrounded by land apart from a river, stream, or other form of moving water that serves to feed or drain the lake. Lakes are inland and not part of the ocean and therefore are distinct from lagoons, and ...

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Is there a technique to calculate volume using a polygon instead of contour line?

What I'm attempting to do is calculate the volume of a lake using a polygon I created by classifying an image for water. I then extracted the polygon from the classification process. What I'm left ...
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Lake Victoria bathymetric data

I am trying to find bathymetry for Lake Victoria (or portions thereof). Any GIS format and almost any resolution will do. As a last resort a hydrographic chart will suffice.
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Whats the best way to create bathymetric contour lines?

I have a raster dataset with both Topographic and Bathymetric stored in it. What is the best way to create exact contours of the lake-bed? This becomes tricky when I want to make the contour for depth ...
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Bathymetry data for Lac Lecointre or estimate data from satellite imagery?

I would like to get any sort of depth data of Lac (lake) Lecointre in Quebec. I've searched all over and can't seem to find any downloadable data. If there is no bathymetry data for this lake is it ...