Session: Using Hydrochemistry to Conceptualize Relations between Recharge and Discharge in Karst Aquifers (GSA Connects 2021 in Portland, Oregon)

Session No. 206

Wednesday, 13 October 2021: 8:00 AM-12:00 PM

A107–A109 (Oregon Convention Center)

T30. Using Hydrochemistry to Conceptualize Relations between Recharge and Discharge in Karst Aquifers

GSA Hydrogeology Division; GSA Karst Division

Rebecca Nunu, MaryLynn Musgrove and Franklin Bertetti, Advocates

Paper #

Start Time

8:00 AM

Introductory Remarks

206-1

8:05 AM

SOME CONSIDERATIONS ON THE USE OF STABLE CARBON ISOTOPES AS TRACERS IN KARST AQUIFERS (Invited Presentation)

DOCTOR, Daniel, U.S. Geological Survey, Florence Bascom Geoscience Center, 12201 Sunrise Valley Drive, MS 926A, Reston, VA 20192

Recorded Presentation

206-2

8:25 AM

RECHARGE, RESIDENCE TIMES, AND REDOX: CONTROLS ON KARST GROUNDWATER COMPOSITIONS (Invited Presentation)

MARTIN, Jonathan¹, FLINT, Madison², OBERHELMAN, Andrew² and BROWN, Amy³, (1)Geological Sciences, University of Florida, PO Box 112120, Gainesville, FL 32611, (2)Department of Geological Sciences, University of Florida, 241 Williamson Hall, Gainesville, FL 32611-2120, (3)Gainesville, FL 32605

206-3

8:45 AM

Withdrawn

206-4

9:00 AM

CONTAMINANTS AS TRACERS: UTILIZING ENVIRONMENTAL SIGNALS TO CHARACTERIZE REGIONAL CONTRIBUTIONS TO A KARST SPRING SYSTEM

CHADWICK, Jesse¹, BERTETTI, F. Paul¹, GODDARD, Faith², BERTETTI, Franklin¹ and GAO, Yongli², (1)Edwards Aquifer Authority, 900 E. Quincy, San Antonio, TX 78215, (2)Department of Geological Sciences, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

206-5

9:15 AM

IDENTIFYING REGIONAL AND LOCAL CONTRIBUTIONS TO A LARGE KARST SPRING SYSTEM, COMAL SPRINGS, TEXAS, USA

QUINTANILLA, Jessica¹, BERTETTI, Franklin¹, GODDARD, Faith², BERTETTI, F. Paul¹ and GAO, Yongli², (1)Edwards Aquifer Authority, 900 E. Quincy, San Antonio, TX 78215, (2)Department of Geological Sciences, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

206-6

9:30 AM

EXAMINING HYDROCHEMISTRY IN TEXAS AND COAHUILA DE ZARAGOZA TO CONSTRAIN THE SOURCE AREA OF GOODENOUGH SPRING, AMISTAD RESERVOIR, U.S.-MEXICO BORDER REGION

FLORES, Mauricio¹, NUNU, Rebecca¹, NICHOLAIDES, Kindra D.² and GREEN, Ronald², (1)Space Science and Engineering Division, Southwest Research Institute, 6220 Culebra Rd, San Antonio, TX 78238, (2)Space Science and Engineering Division, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78238

9:45 AM

Break

206-7

9:55 AM

COMPARISON OF SEASONAL TEMPERATURE CHANGE WITH CHEMICAL VARIABILITY TO UNDERSTAND THE TIME OF TRAVEL FROM RECHARGE TO SPRING DISCHARGE; AN EXAMPLE FROM MONROE COUNTY, WV (Invited Presentation)

VESPER, Dorothy, BAUSHER, Emily, DOWNEY, Autum R. and RIDDELL, Jill, Dept. of Geology & Geography, West Virginia Univ., Morgantown, WV 26506

Recorded Presentation

206-8

10:15 AM

EVALUATION OF A REGIONAL KARSTIC FLOW SYSTEM IN A SEMIARID CLIMATE

DARLING, Bruce¹, NICOT, Jean-Philippe², NUNU, Rebecca³, SMYTH, Rebecca C.², WOLAVER, Brad D.⁴ and SHARP Jr., John⁵, (1)Groundwater & Geochemical Consulting, LLC, 7425 Amanda Ellis Way, Austin, TX 78749, (2)Bureau of Economic Geology, Jackson School of Geosciences, The University of Texas, Austin, TX 78758, (3)Space Science and Engineering, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78238, (4)Southwest Hydrology Consulting, Albuquerque, NM 87106, (5)Department of Geological Sciences, Jackson School of Geosciences, The University of Texas, C9000, Austin, TX 78712-1722

206-9

10:30 AM

USING GEOCHEMICAL AND STATISTICAL ANALYSES TO IDENTIFY LOCAL AND REGIONAL FLOW TO A MULTI-OUTLET SPRING SYSTEM: SAN SOLOMON SPRINGS, TEXAS, USA

NUNU, Rebecca¹, BERTETTI, Paul², GREEN, Ronald¹ and GAO, Yongli³, (1)Space Science and Engineering Division, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78238, (2)Edwards Aquifer Authority, 900 E Quincy, San Antonio, TX 78215, (3)Department of Geological Sciences, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249

206-10

10:45 AM

WATER CHEMISTRY VARIATIONS IN A KARSTIC AQUIFER SYSTEM: SAN SOLOMON SPRINGS, FAR WEST TEXAS

LAND, Lewis, National Cave & Karst Research Institute, New Mexico Tech, 1015 Tijeras Ave NW, Albuquerque, NM 87102 and JONES, Michael, National Cave and Karst Research Institute, New Mexico Tech, 400-1 Cascades Avenue, Carlsbad, NM 88220

206-11

11:00 AM

QUANTIFYING PSEUDOKARST HYDROGEOLOGICAL CONTROLS IN A PERMIAN SANDSTONE SILTSTONE AQUIFER, OKLAHOMA

MASSEY, Jordon and HALIHAN, Todd, Boone Pickens School of Geology, Oklahoma State University, 105 Noble Research Center, Stillwater, OK 74078

Recorded Presentation

206-12

11:15 AM

CHARACTERIZATION OF PREFERENTIAL SUBSURFACE FLOW PATHS IN A MANTLED KARST TERRAIN

HONINGS, Joseph, PhD Candidate, Department of Geology & Geophysics, Louisiana State University, Howe-Russell Geoscience Complex, E235, Baton Rouge, LA 70803; The Jones Center at Ichauway, 3988 Jones Center Drive, Newton, GA 39870, WICKS, Carol, Geology and Geophysics, Louisiana State University, E237 Howe-Russell Geoscience Complex, Baton Rouge, LA 70803 and BRANTLEY, Steven T., The Jones Center at Ichauway, 3988 Jones Center Drive, Newton, GA 39870

11:30 AM

Discussion

11:45 AM

Concluding Remarks

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