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North-Central Section - 57th Annual Meeting - 2023

Paper No. 12-4
Presentation Time: 2:35 PM

CHARACTERIZING HYPORHEIC ZONE PROCESSES CONTROLLED BY SEDIMENTARY ARCHITECTURE WITHIN COMPOUND BAR DEPOSITS USING FIELD DATA AND NUMERICAL MODELING


LI, Pei1, MCGARR, Jeffery2, FORD, Robert3, WALLACE, Corey4, KLEMAN, Teagan5, FIELDS, Colton1, TRUTSCHEL, Leah6, WARD, Dylan7, ROWE, Annette6, FRITZ, Ken M.8 and SOLTANIAN, Reza9, (1)Department of Geosciences, University of Cincinnati, Cincinnati, OH 45221, (2)Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013, (3)EPA, Andrew W. Breidenbach Environmental Research Center, Cincinnati, OH 45268, (4)Geosyntec Consultants, 941 Chatham Lane, Suite 103, Columbus, OH 43221, (5)Department of Crop and Soil Science, Puyallup Research and Extension Center, 2606 West Pioneer, Puyallup, WA 98371-4998; Department of Geology, University of Cincinnati, Cincinnati, OH 45221-0013, (6)Department of Biological Sciences, University of Cincinnati, Cincinnati, OH 45268, (7)Department of Geology, University of Cincinnati, 500 Geology Physics Building, P.O. Box 210013, Cincinnati, OH 45221-0013, (8)Office of Research and Development, Environmental Protection Agency, 26 W Martin Luther King Dr., Cincinnati, OH 45268, (9)Institute of Groundwater and Earth Sciences, Jinan University, Guangzhou, 510632, China

The hyporheic zone processes have a major impact on water quality and physical and geochemical processes in both surface water and groundwater. Despite their importance, our understanding of these processes is limited due to the riverbed stratal architecture and temporal dynamics of the hyporheic zone. We aim to enhance our understanding through seasonal data collection from the Theis Environmental Monitoring and Modeling Site (TEMMS) located within the the Great Miami River in Southwest OH. A fully coupled and multi-scale framework is also being developed to examine the influence of stratal architecture and bedforms on hyporheic flux, solute residence times, and zones of enhanced reaction rates (i.e., hot spots). We present the hydrological and geochemical characterization of a well-characterized compound bar deposit in the hyporheic zone, utilizing both field data and numerical simulations to investigate development of hotspots.

Session No. 12

T15. Recent Advances in Hydrogeology
Thursday, 4 May 2023: 1:30 PM-5:30 PM
EC 512 (L.V. Eberhard Center)
Geological Society of America Abstracts with Programs. Vol. 55, No. 3
doi: 10.1130/abs/2023NC-386941
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