Two-stage exams improve student learning in an introductory geology course: Logistics, attendance, and grades K Knierim, H Turner, RK Davis Journal of Geoscience Education 63 (2), 157-164, 2015 | 40 | 2015 |
Airborne geophysical surveys of the lower Mississippi Valley demonstrate system-scale mapping of subsurface architecture BJ Minsley, JR Rigby, SR James, BL Burton, KJ Knierim, MDM Pace, ... Communications Earth & Environment 2 (1), 131, 2021 | 28 | 2021 |
Using boosted regression tree models to predict salinity in Mississippi embayment aquifers, Central United States KJ Knierim, JA Kingsbury, CJ Haugh, KM Ransom JAWRA Journal of the American Water Resources Association 56 (6), 1010-1029, 2020 | 25 | 2020 |
Quantifying the variability in Escherichia coli (E. coli) throughout storm events at a karst spring in northwestern Arkansas, United States KJ Knierim, PD Hays, D Bowman Environmental earth sciences 74, 4607-4623, 2015 | 23 | 2015 |
Using stable isotopes of carbon to investigate the seasonal variation of carbon transfer in a northwestern Arkansas cave KJ Knierim, ED Pollock, PD Hays, J Khojasteh Journal of Cave and Karst Studies 77 (1), 12-27, 2015 | 19 | 2015 |
Using isotopes of dissolved inorganic carbon species and water to separate sources of recharge in a cave spring, northwestern Arkansas, USA Blowing Spring Cave KJ Knierim, E Pollock, PD Hays Acta Carsologica 42 (2-3), 2013 | 18 | 2013 |
Hydrogeology and hydrologic conditions of the Ozark Plateaus Aquifer System BR Hays, P.D., Knierim, K.J., Breaker, B.K., Westerman, D.A., Clark U.S. Geological Survey, 2016 | 11* | 2016 |
Salinity and total dissolved solids measurements for natural waters: An overview and a new salinity method based on specific conductance and water type RB McCleskey, CA Cravotta III, MP Miller, F Tillman, P Stackelberg, ... Applied Geochemistry, 105684, 2023 | 10 | 2023 |
Mapped predictions of manganese and arsenic in an alluvial aquifer using boosted regression trees KJ Knierim, JA Kingsbury, K Belitz, PE Stackelberg, BJ Minsley, JR Rigby Groundwater 60 (3), 362-376, 2022 | 10 | 2022 |
The impact of ventilation patterns on calcite dissolution rates within karst conduits MD Covington, KJ Knierim, HA Young, J Rodriguez, HG Gnoza Journal of Hydrology 593, 125824, 2021 | 8 | 2021 |
Carbon cycling in the mantled karst of the Ozark Plateaus, central United States KJ Knierim, ED Pollock, MD Covington, PD Hays, KR Brye Geoderma Regional 10, 64-76, 2017 | 5 | 2017 |
Hydrogeology and hydrologic conditions of the Ozark Plateaus aquifer system: US Geological Survey Scientific Investigations Report 2016-5137 PD Hays, KJ Knierim, B Breaker, DA Westerman, BR Clark US Geological Survey, Reston, Virginia, 2016 | 5 | 2016 |
Machine-learning predictions of redox conditions in groundwater in the Mississippi River Valley alluvial and Claiborne aquifers, south-central United States KJ Knierim, JA Kingsbury, CJ Haugh Scientific Investigations Map, 2021 | 3 | 2021 |
Stable Isotopes as a Tool to Characterize Carbon Cycling and Develop Hydrologic Budgets in Mantled Karst Settings KJ Knierim University of Arkansas, 2015 | 3 | 2015 |
Seasonal variation of carbon and nutrient transfer in a northwestern Arkansas cave KJ Knierim University of Arkansas, 2009 | 3 | 2009 |
Seasonal variation of carbon and nutrient transfer in a northwestern Arkansas cave KJ Knierim University of Arkansas, 2009 | 3 | 2009 |
Predicted pH of groundwater in the Mississippi River Valley alluvial and Claiborne aquifers, south-central United States JA Kingsbury, KJ Knierim, CJ Haugh Scientific Investigations Map, 2020 | 2 | 2020 |
Prediction grids of pH for the Mississippi River Valley alluvial and Claiborne aquifers: US Geological Survey data release JA Kingsbury, KJ Knierim, CJ Haugh | 2 | 2020 |
The Ozark Plateaus Regional Aquifer Study—Documentation of a groundwater-flow model constructed to assess water availability in the Ozark Plateaus BR Clark, JM Richards, KJ Knierim Scientific Investigations Report, 2018 | 2 | 2018 |
Challenges for creating a site-specific groundwater-use record for the Ozark Plateaus aquifer system (central USA) from 1900 to 2010 KJ Knierim, AM Nottmeier, S Worland, DA Westerman, BR Clark Hydrogeology Journal 25 (6), 1779-1793, 2017 | 2 | 2017 |