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Geomorphic Characteristics And Sediment Transport In Natural And Channelized Reaches Of Big Barren Creek, Southeast Missouri, Matthew S. Thies May 2017

Geomorphic Characteristics And Sediment Transport In Natural And Channelized Reaches Of Big Barren Creek, Southeast Missouri, Matthew S. Thies

MSU Graduate Theses

Channelization, levee construction, and gravel mining are land management practices that are used for flood control. However, they often alter the balance between sediment supply and available sediment transporting power in streams, causing channel instability. Streams can respond to instability through channel incision and sediment aggradation which can degrade riparian habitat, increase flood risks, and cause property damage. These problems have been observed along segments of Big Barren Creek, which drains 190 km² of the Missouri Ozarks in Mark Twain National Forest. Field assessment and modeling methods were used to evaluate the spatial distribution of channel instability along the upper …


Deposition Patterns And Rates Of Mining-Contaminated Sediment Within A Sedimentation Basin System, S.E. Missouri, Joshua Carl Voss May 2017

Deposition Patterns And Rates Of Mining-Contaminated Sediment Within A Sedimentation Basin System, S.E. Missouri, Joshua Carl Voss

MSU Graduate Theses

Flooding events exert a dominant control over the deposition and formation of floodplains. The rate at which floodplains form depends on flood magnitude, frequency, and duration, and associated sediment transport capacity and supply. While it is known that sediment in the Big River is contaminated from historical mining, little is known about the patterns and rates of deposition on floodplains, especially those that have been modified for remediation purposes. The goal of this study was to evaluate the influence of flood characteristics and topography on contemporary deposition patterns and rates in a sedimentation basin system located within a floodplain along …


Beach Form, Change, And Mangrove Interactions Along Galleon Fish Sanctuary, South Coast Jamaica, Kayla Marie Geier May 2017

Beach Form, Change, And Mangrove Interactions Along Galleon Fish Sanctuary, South Coast Jamaica, Kayla Marie Geier

MSU Graduate Theses

Shoreline erosion is a problem around the world that is getting worse as sea level rises and populations expand into coastal areas. It is important to identify areas at the greatest risk for shoreline erosion so environmental planners will have the knowledge and time to mitigate potential resource losses. The Galleon Fish Sanctuary in St. Elizabeth Parish is a 6 km stretch of shoreline along the south coast of Jamaica composed of mangrove forests, sand beaches, and coral reefs. This study assesses shoreline form and composition in the sanctuary in order to provide new information about the relationships between beach …