| Oxygen isotopes in meteoric calcite cements as indicators of continental paleoclimate PD Hays, EL Grossman Geology 19 (5), 441-444, 1991 | 399 | 1991 |
| Geochemical and isotopic variations in shallow groundwater in areas of the Fayetteville Shale development, north-central Arkansas NR Warner, TM Kresse, PD Hays, A Down, JD Karr, RB Jackson, ... Applied Geochemistry 35, 207-220, 2013 | 194 | 2013 |
| Homogeneous magnesium isotopic composition of seawater: an excellent geostandard for Mg isotope analysis MX Ling, F Sedaghatpour, FZ Teng, PD Hays, J Strauss, W Sun Rapid Communications in Mass Spectrometry 25 (19), 2828-2836, 2011 | 171 | 2011 |
| Aquifers of Arkansas: protection, management, and hydrologic and geochemical characteristics of groundwater resources in Arkansas TM Kresse, PD Hays, KR Merriman, JA Gillip, DT Fugitt, JL Spellman, ... Scientific Investigations Report, 2014 | 60 | 2014 |
| Coupling high-frequency stream metabolism and nutrient monitoring to explore biogeochemical controls on downstream nitrate delivery HP Jarvie, AN Sharpley, T Kresse, PD Hays, RJ Williams, SM King, ... Environmental science & technology 52 (23), 13708-13717, 2018 | 49 | 2018 |
| Shallow groundwater quality and geochemistry in the Fayetteville Shale gas-production area, north-central Arkansas, 2011 TM Kresse, NR Warner, PD Hays, A Down, A Vengosh, RB Jackson US Department of the Interior, US Geological Survey, 2012 | 45 | 2012 |
| Distribution and variability of redox zones controlling spatial variability of arsenic in the Mississippi River Valley alluvial aquifer, southeastern Arkansas MU Sharif, RK Davis, KF Steele, B Kim, PD Hays, TM Kresse, JA Fazio Journal of contaminant hydrology 99 (1-4), 49-67, 2008 | 44 | 2008 |
| Correction to: Are soils beneath coniferous tree stands more acidic than soils beneath deciduous tree stands? JR Burgess-Conforti, PA Moore Jr, PR Owens, DM Miller, AJ Ashworth, ... Environmental science and pollution research international 26 (15), 14930-14931, 2019 | 31* | 2019 |
| Are soils beneath coniferous tree stands more acidic than soils beneath deciduous tree stands? JR Burgess-Conforti, PA Moore, PR Owens, DM Miller, AJ Ashworth, ... Environmental Science and Pollution Research 26 (15), 14920-14929, 2019 | 31 | 2019 |
| Nutrient cycling in an agroforestry alley cropping system receiving poultry litter or nitrogen fertilizer TJ Sauer, WK Coblentz, AL Thomas, KR Brye, DK Brauer, JV Skinner, ... Nutrient cycling in agroecosystems 101 (2), 167-179, 2015 | 30 | 2015 |
| The Mississippi River Valley alluvial aquifer in Arkansas: A sustainable water resource? JB Czarnecki, PD Hays, PW McKee Fact Sheet, 2002 | 28 | 2002 |
| 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 (6), 4607-4623, 2015 | 27 | 2015 |
| Surface complexation modeling for predicting solid phase arsenic concentrations in the sediments of the Mississippi River Valley alluvial aquifer, Arkansas, USA MSU Sharif, RK Davis, KF Steele, B Kim, PD Hays, TM Kresse, JA Fazio Applied Geochemistry 26 (4), 496-504, 2011 | 24 | 2011 |
| 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 & Karst Studies 77 (1), 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 | 17 | 2013 |
| Quantification of hydrologic budget parameters for the vadose zone and epikarst in mantled karst JV Brahana, TE Ting, M Al-Qinna, JF Murdoch, RK Davis, J Laincz, ... Proceedings of the US Geological Survey Karst Interest Group, 12-15, 2005 | 16 | 2005 |
| The Savoy Experimental Watershed–early lessons for hydrogeologic modeling from a well-characterized karst research site JV Brahana, PD Hays, TM Kresse, TJ Sauer, GP Stanton Karst Water Institute, Special Publication, 247-254, 1999 | 14 | 1999 |
| Organic geochemistry and diagenesis of the Delaware Mountain Group, west Texas and southeast New Mexico PD Hays, TT Tieh Transactions Southwest Section American Association of Petroleum Geologists …, 1992 | 14 | 1992 |
| Organic and authigenic mineral geochemistry of the Permian Delaware Mountain Group, West Texas: implications for the chemical evolution of pore fluids PD Hays, SD Walling, TT Tieh Special Publications of SEPM, 1996 | 13 | 1996 |
| Hydrogeology and hydrologic conditions of the Ozark Plateaus aquifer system PD Hays, KJ Knierim, BK Breaker, DA Westerman, BR Clark Scientific Investigations Report, 2016 | 12 | 2016 |
