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Stream Power Analysis Of The Mid-Barataria Conveyance Channel Model, Jack Graham
Stream Power Analysis Of The Mid-Barataria Conveyance Channel Model, Jack Graham
LSU Master's Theses
Louisiana’s coast is disappearing at an alarming rate. Erosion, subsidence, sea level rise, and the devastating impacts from hurricanes have contributed to the loss of thousands of square miles of land that was once a thriving ecosystem. The Louisiana government is taking action to help protect and restore these coastal habitats, which are a home to some two million people and numerous species of animals, birds, and fish. The Mid-Barataria Sediment Diversion is a new type of project to help create land in Barataria Basin. Conceptually, the diversion is designed to use the available sediment and stream power provided by …
Changes In Wetland Soil Processes And Ecosystem Functions Six Years After Marsh Creation In Barataria Bay, Louisiana, Erol R. Knaus
Changes In Wetland Soil Processes And Ecosystem Functions Six Years After Marsh Creation In Barataria Bay, Louisiana, Erol R. Knaus
LSU Master's Theses
Louisiana contains about 40% of the conterminous United States coastal and estuarine wetlands but also has the highest rates of wetland loss at around 80% of the total. Approximately 4,900 km2 of coastal land in Louisiana has been lost since 1930. Our study location, Barataria Bay, has one of the highest coastal wetland erosion rates in the nation, at ∼41 km2 per year; and therefore, is a high priority for wetland restoration activities. In 2014, sandy sediment dredged from the bed of the Mississippi River was placed in Barataria Bay as part of a restoration effort. Samples were …
The Influence Of Soil Properties On Marsh Edge Erosion, Cody Lee Johnson
The Influence Of Soil Properties On Marsh Edge Erosion, Cody Lee Johnson
LSU Master's Theses
Coastal Louisiana exhibits some of the highest rates of land conversion to open water in the world. This is most apparent in Terrebonne Bay, Barataria Bay, and Breton Sound (Couvillion et. al, 2011). The hypothesis is made that locally generated wind waves are responsible for the observed land loss. Recent research has attempted to relate the marsh edge erosion rate to wave energy flux density. Under the appropriate assumptions, this relationship is modeled reasonably well by a linear relationship between erosion rate and wave energy flux. Such a model is a valuable tool for coastal resource management. A deficiency of …
Hydrodynamic Modeling Of San Elijo Lagoon, California, Mary Elizabeth Nee Friedmann Bourgoyne
Hydrodynamic Modeling Of San Elijo Lagoon, California, Mary Elizabeth Nee Friedmann Bourgoyne
LSU Master's Theses
Decisions on where to concentrate management efforts need to be guided by an ability to accurately simulate and predict physical and ecological changes. Many restoration projects experience difficulties due to a lack of understanding of the ecological response and evolution of wetland systems (Goodwin et al., 2001). There are several approaches that can be taken in analyzing a system. The appropriate selection should be based on the available data, the spatial scale of the wetland, and the physical processes governing the system (Goodwin and Kamman, 2001). Predictive tools are essential for good long-term management (Goodwin et al., 2001). The objective …
Fate And Transport Of Microorganisms In Coastal Subsurface-Experiment And Modeling, Haibo Cao
Fate And Transport Of Microorganisms In Coastal Subsurface-Experiment And Modeling, Haibo Cao
LSU Doctoral Dissertations
The objective of this dissertation was to investigate the fate and transport of microorganisms in coastal subsurface. Two topics were studied: (1) evaluation of the performance of the Marshland Upwelling System (MUS) in removing fecal bacteria and the background recovery after it is shut down; (2) Investigation of the effects of salinity and soluble organic matter (SOM) on sorption of MS-2 and development of a model to describe the sorption and transport process. The MUS showed effective performance in removing fecal bacteria during its 32 month operation period at Bayou Segnette Site. The removal efficiency was increased with its operation …