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Full-Text Articles in Physical Sciences and Mathematics

Using Tidal Analysis To Examine Lake-Aquifer Connectivity On A Modern Carbonate Platform, Ronald A. Knoll Oct 2020

Using Tidal Analysis To Examine Lake-Aquifer Connectivity On A Modern Carbonate Platform, Ronald A. Knoll

USF Tampa Graduate Theses and Dissertations

Lake-aquifer connectivity on carbonate platforms is governed by basin morphology which is influenced by diagenetic and depositional processes. Both these processes cause aquifer permeability to vary significantly with scale of measurement (i.e., pore-scale, well-scale, and regional-scale). Because coastal aquifers are well-known to have tidally controlled water level fluctuations, inland lakes may be used to expand the areal measurement of permeability and establish a link between well-scale and regional scale connectivity in the aquifer. To evaluate the impact of lake basin morphology on aquifer connectivity, water level fluctuations were collected at high temporal resolution in the ocean and twenty-four surface water …


A Geochemical And Statistical Investigation Of The Big Four Springs Region In Southern Missouri, Jordan Jasso Vega Aug 2020

A Geochemical And Statistical Investigation Of The Big Four Springs Region In Southern Missouri, Jordan Jasso Vega

MSU Graduate Theses

The Big Four Springs region hosts four major first-order magnitude springs in southern Missouri and northern Arkansas. These springs are Big Spring (Carter County, MO), Greer Spring (Oregon County, MO), Mammoth Spring (Fulton County, AR), and Hodgson Mill Spring (Ozark County, MO). Based on historic dye traces and hydrogeological investigations, these springs drain an area of approximately 1500 square miles and collectively discharge an average of 780 million gallons of water per day. The rocks from youngest to oldest that are found in Big Four Springs region are the Cotter and Jefferson City Dolomite (Ordovician), Roubidoux Formation (Ordovician), Gasconade Dolomite …


Protean Caves And Cyrenean Grottos: The Subterranean World Of Vergil's Fourth Georgic, Kirby Schoephoerster May 2020

Protean Caves And Cyrenean Grottos: The Subterranean World Of Vergil's Fourth Georgic, Kirby Schoephoerster

Arts & Sciences Electronic Theses and Dissertations

Using the studies and methodologies spearheaded by the burgeoning field of geomythology, this project aims to reevaluate one of the most famous works of ancient literature, the Georgics of Vergil, within the context of karst geology. In other words, I plan to critically investigate the famous myth of Aristaeus using a geomythological lens that focuses on how Vergil treats caves and cave systems as related to (his) myth. The didactic poem as a whole, and much less so the myth of Aristaeus, has been assessed relatively little by archaeologists, and by geomythologists not at all. Yet, book four contains an …


Storm Sampling To Assess Inclement Weather Impacts On Water Quality In A Karst Watershed: Sinking Creek, Watauga Watershed, East Tennessee, Porcha Mccurdy May 2020

Storm Sampling To Assess Inclement Weather Impacts On Water Quality In A Karst Watershed: Sinking Creek, Watauga Watershed, East Tennessee, Porcha Mccurdy

Electronic Theses and Dissertations

Escherichia coli changes in Sinking Creek, an impaired water body in the Watauga watershed of northeast Tennessee, were assessed during storm events using water samples collected with ISCO automated samplers during eight storms at two locations. Turbidity and electrical conductivity (EC) data loggers were deployed in the creek, and dissolved oxygen (DO) was measured in situ to test the stream’s water quality and reaction to inclement weather. Cotton fabric was deployed at both locations and sent to an external lab to test for the presence of Optical Brighteners (OB), which are indicators of residential wastewater. E. coli and turbidity at …