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#floodmodeling

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💧🌏 Greg Cocks

Elevation-Derived Hydrography [EDH] - The USGS’s Rich New Hydrological Features Dataset
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doi.org/10.2489/jswc.2024.0314 <-- shared paper
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pubs.usgs.gov/publication/tm11 <-- USGS EDH Representation, Extraction, Attribution, and Delineation Rules reference publication
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usgs.gov/3d-hydrography-progra <-- shared link to the USGS 3DHP page
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[in my role, I have the pleasure of working with the valuable EDH process(es) and the data it produces on a daily basis]

@USGS

map - Geomorphon index data overlaid on hillshade data for Elevation-Derived Hydrography production
maps - (a) Using contours and (b) geomorphon index to validate and refine stream location in Elevation-Derived Hydrography dataset.
maps - Progression of developing derived stream features from a Digital Elevation Model (left to right).
LiDAR base map / image - stream and road, false colour
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