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Geology

Master's Theses

Theses/Dissertations

2020

Lower Mississippi River

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Full-Text Articles in Physical Sciences and Mathematics

Sedimentary Dynamics And Water Quality In Floodplains Of The Lower Mississippi River Near Natchez, Mississippi, During The 2018 And 2019 Floods, Jansen Costello May 2020

Sedimentary Dynamics And Water Quality In Floodplains Of The Lower Mississippi River Near Natchez, Mississippi, During The 2018 And 2019 Floods, Jansen Costello

Master's Theses

The Lower Mississippi River (LMR) near Natchez, Mississippi, experienced intervals of major flooding during the 2018 and 2019 water years. While federal agencies sample sediment and water quality in the main LMR channel, little is known about sedimentary dynamics, water quality, and nutrient concentrations of the overbank water column within the embanked LMR floodplain. These data are needed to support ecological floodplain restoration efforts and provide context for downstream concerns including sediment delivery to coastal zones and hypoxia in the Gulf of Mexico.

This study monitored the overbank flood pulses and associated sediment deposition along the LMR embanked floodplain during …