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Showing 1 to 11 of 11 for “"Bonnet Carré Spillway"”.
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Exploring Fisheries Species Distribution Shifts in Response to Freshwater Inflow Through the Bonnet Carré Spillway Using Species Distribution Models
<p>The Bonnet Carre Spillway (BCS) is a flood control structure on the Mississippi River (MR) ~52 km upstream of New Orleans. The BCS protects downstream communities from MR flooding by diverting floodwaters into Lake Pontchartrain when the MR exceeds 5.18m flood stage. Diverted waters flow east …
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Examining the Impact of Bonnet Carré Spillway Opening on Hypoxia Evolution in the Mississippi Sound and Bight: A 2019 Case Study
<p>In 2019, the Bonnet Carré Spillway (BCS) was opened twice, releasing unprecedented volumes of low-salinity, highly polluted water from the Mississippi River into the Mississippi Sound and Bight (MSAB). These events dramatically altered the region's salinity, circulation, and ecological …
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Plant productivity and diversity in coastal wetlands in Mississippi – impact of hydrological extremes
… I evaluated how diversion of freshwater like Bonnet Carré Spillway openings in Louisiana, US, affected vegetation productivity and diversity in salt marshes on the neighboring Mississippi Gulf Coast, US. My study area is two estuarine systems that differ in their proximity to the Bonnet Carré …
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Isolation of the 2019 Bonnet Carré Spillway Effects on the Habitat Suitability of Brown Shrimp (Farfantepenaeus aztecus) and Blue Crab (Callinectes sapidus) Using a Modeling Approach
<p>In 2019, an unprecedented flood year, the Bonnet Carré Spillway (BCS) was opened on two separate occasions (February 27<sup>th</sup> to April 11<sup>th</sup>, and May 10<sup>th</sup> through July 27<sup>th</sup>) diverting a volume 6 times the volume of Lake Pontchartrain into the surrounding …
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Water Quality Modeling of Freshwater Diversions in the Pontchartrain Estuary
… into Maurepas swamp and increases to flow in the Bonnet Carré Spillway may cause more intense and frequent algal blooms to occur around the Pontchartrain Estuary. The model also predicts that high nutrient input events that occur earlier in the year (January/February) will not likely have algal …
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Influence of Natural and Anthropogenic Environmental Variability on Larval Fish Diet, Growth, and Condition in the Northcentral Gulf of Mexico
… biological parameters after the opening of the Bonnet Carré Spillway in January 2016. Zooplankton community structure was found to be significantly different among the water masses. Larval Gulf Menhaden diet did not differ significantly among the water masses, but larvae from the Chandeleur …
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Sensitivity of the Estuarine-shelf Exchange in Mississippi Coastal Waters to River Diversions and Linkage Pathway Bathymetry: A Modeling Study
… This year is marked by extreme events of the Bonnet Carré Spillway (BCS) double opening which introduces a considerable amount of freshwater input to the Mississippi (MS) Sound during its operation. The set of twin experiments proposed for this research seeks to explore and improve the …
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Understanding The Variability Of Circulation And Water Quality At Experimental Oyster Leases In The Mississippi Sound Using A High-Resolution Nested Modeling Approach
… areas under the extreme freshwater inflow from Bonnet Carré Spillway (BCS) openings and local rivers in 2019. High-resolution atmospheric forcing data is crucial because diurnal sea-land breeze affects salinity variability by increasing the vertical mixing and affecting shelf water intrusion in …
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Investigating Nekton Response to Changing Salinities in the Mississippi Sound: An Experimental and Statistical Approach
… Previous freshening events linked to the Bonnet Carré Spillway, a Mississippi River flood diversion structure, proved catastrophic for oyster populations in the Mississippi Sound, but effects on mobile fish and shellfish species are not well-defined. The planned Mid-Breton Sediment …
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Freshwater Endmembers Impacting Carbonate Chemistry in the Mississippi Sound
… River through a human-built diversion, the Bonnet Carré Spillway. Sites in the Mississippi Sound were sampled monthly during August 2018 to November 2019 and at weekly frequency during June–August 2019 in response to an extended spillway opening. Prior to the 2019 spillway opening, the …
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Salinity Transport in a Finite-Volume Sigma-Layer Three-Dimensional Model
… were calibrated for tides and salinity. The 2008 Bonnet Carré Spillway Opening was applied to the first model. A tidal pumping effect in Lake Pontchartrain was observed and captured by the model.