An R Shiny app for remotely identifying stream Ordinary High Water Marks (OHWM) using publicly available terrain data for small sites.
This R Shiny app can be used to remotely identify stream Ordinary High Water Marks (OHWM) using publicly available terrain data for small sites. It has the following features:
- Identify a project site
- Extract the latest available lidar-derived Digital Elevation Model (DEM)
- Draw stream cross sections
- Tools for choosing a bankfull elevation for ungaged streams
- Calculate stream channel dimensions
Funding for development and maintenance of FluvialGeomorph has been provided by the following US Army Corps of Engineers (USACE) programs:
- Flood and Coastal Risk Management
- Ecosystem Management and Restoration Research Program (EMRRP)
- Regional Sediment Management Program (RSM)
- Mississippi River Geomorphology and Potamology Program (MRG&P)
- Flood Risk Management Program (FRM)
- Engineering With Nature (EWN)
Check out the NEWS for details on the latest updates.
- Christopher Haring, Fluvial Geomorphologist/Research Physical
Scientist, U.S. Army Corps of Engineers
https://orcid.org/0009-0004-3834-9811
- Michael Dougherty, Geographer, U.S. Army Corps of Engineers
- Thomas Darby, Geographer, U.S. Army Corps of Engineers
If you find any bugs using ohwm, please open an
issue.