Type of Submission

Poster

Keywords

Lithology, infill, bank, hydrologic, flooding, undulating, stream, sediment, contour

Abstract

Cedarcliff Falls Dam is a small man-made masonry dam that was constructed around 1869. The dam impounds a pool of water that is a half-mile long on Massie’s Creek near Cedarville, Ohio. This project’s goal was to ascertain the infill rate and character of the sediment that had built up since 1869. The field work involved the measurement of water depth through the length of the pool in order to create a bottom-contour map. In addition, the sediment type was examined throughout the pool. This work was accomplished by use of a boat, stadia rod, handheld GPS unit, and a Ponar grab sampler. The contour map was created, and the volume of water in the pool was calculated, using Surfer 8 software. Sediment type was determined by “feel” with the stadia rod and by collecting samples with the Ponar grab sampler. Historical information is lacking for determining sediment influx from significant past hydrologic events. Potential sediment sources feeding the pool include agricultural and construction derived materials, and normal-natural and flood-natural materials. The bottom of the pool has an undulating character along its course and varying sediment types. The deepest area found was twenty-three feet and the shallowest was five feet. The upstream lithology is predominantly dolomite, but the entire area is overlain by glacial drift. The irregular distribution of sediment types seems to be associated with the nature of the creek bank at any particular location. Depth variation within the pool appears to be associated with the width of the channel, with depth being inversely correlated to width. Results from this study could affect land use planning around the creek and could also influence the assessment of the long-term viability of the dam.

Faculty Sponsor or Advisor’s Name

John Whitmore

Campus Venue

Stevens Student Center

Location

Cedarville, OH

Start Date

4-1-2015 11:00 AM

End Date

4-1-2015 2:00 PM

Creative Commons License

Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 4.0 License.

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Apr 1st, 11:00 AM Apr 1st, 2:00 PM

Buildup and Infill Rates of Sediment Behind Cedarcliff Falls Dam

Cedarville, OH

Cedarcliff Falls Dam is a small man-made masonry dam that was constructed around 1869. The dam impounds a pool of water that is a half-mile long on Massie’s Creek near Cedarville, Ohio. This project’s goal was to ascertain the infill rate and character of the sediment that had built up since 1869. The field work involved the measurement of water depth through the length of the pool in order to create a bottom-contour map. In addition, the sediment type was examined throughout the pool. This work was accomplished by use of a boat, stadia rod, handheld GPS unit, and a Ponar grab sampler. The contour map was created, and the volume of water in the pool was calculated, using Surfer 8 software. Sediment type was determined by “feel” with the stadia rod and by collecting samples with the Ponar grab sampler. Historical information is lacking for determining sediment influx from significant past hydrologic events. Potential sediment sources feeding the pool include agricultural and construction derived materials, and normal-natural and flood-natural materials. The bottom of the pool has an undulating character along its course and varying sediment types. The deepest area found was twenty-three feet and the shallowest was five feet. The upstream lithology is predominantly dolomite, but the entire area is overlain by glacial drift. The irregular distribution of sediment types seems to be associated with the nature of the creek bank at any particular location. Depth variation within the pool appears to be associated with the width of the channel, with depth being inversely correlated to width. Results from this study could affect land use planning around the creek and could also influence the assessment of the long-term viability of the dam.

 

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