How to segment lake during bathymetry preprocessing when the lake has multiple branches?

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Alyssa Freedman

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Aug 5, 2025, 2:54:02 PMAug 5
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Hi all,

I am working with a lake that needs to be split up into sections because it has multiple branches, as you can see from the attached contour plot. I would like to examine lake bathymetry grids for each section of the lake.

In the PITLAKQ tutorial, I only see an example with one sub-lake. Does anyone know how to segment the lake into multiple sections in PITLAKQ? 

Ultimately, I would like to produce a bathymetry grid like the one shown below at each individual section of the lake.

_images/bath_grid.png

I've also included an attachment showing an idea of how I'd like to segment the lake. I'm looking to create a grid at each segment I circled.

Thank you so much for any help you can provide!
lake_segments_example.png
lake_contour.png
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