Bathymetric Survey of Cuyahoga River at Gorge Metro Park, Cuyahoga Falls, Ohio, September 25, 2024

Presented here are bathymetric data collected from the Cuyahoga River at Gorge Metro Park. These data were collected September 25, 2024, from the Gorge Dam upstream for approximately 1.2 miles. The survey was completed using a marine-based mobile mapping unit that was deployed from the side of a jon boat. Data were georeferenced using an integrated RTK (real time kinematics) system connection to the Ohio VRS (virtual reference station) network. 

The bathymetric data were then projected to a three-dimensional grid at a resolution of 0.82 feet (0.25 meters) using the Combined Uncertainty and Bathymetry Estimator (CUBE) method (Calder and Mayer, 2003), as implemented in the MBMax processing package of the HYPACK/HYSWEEP software (HYPACK, Inc., 2020).

Bathymetric quality-assurance data (CuyahogaGorge2024_QA_raw.zip) were extracted to evaluate the vertical accuracy of the gridded bathymetric point data following the guidelines described in Richards and others (2019). 

As part of this data release, there are two zip files. Each of these contains a shapefile with an attribute table. Attribute/column labels of each table are described in the "Entity and Attribute" section of the metadata file.