| Key competencies in sustainability in higher education—toward an agreed-upon reference framework K Brundiers, M Barth, G Cebrián, M Cohen, L Diaz, ... Sustainability Science 16, 13-29, 2021 | 520 | 2021 |
| Aluminum toxicity in forests exposed to acidic deposition: the ALBIOS results CS Cronan, R April, RJ Bartlett, PR Bloom, CT Driscoll, SA Gherini, ... Water, Air, and Soil Pollution 48, 181-192, 1989 | 135 | 1989 |
| Trace metal retention through the schwertmannite to goethite transformation as observed in a field setting, Alta Mine, MT AW Schroth, RA Parnell Jr Applied Geochemistry 20 (5), 907-917, 2005 | 101 | 2005 |
| The 1996 controlled flood in Grand Canyon: flow, sediment transport, and geomorphic change JC Schmidt, RA Parnell, PE Grams, JE Hazel, MA Kaplinski, LE Stevens, ... Ecological Applications 11 (3), 657-671, 2001 | 101 | 2001 |
| Planned flooding and Colorado River riparian trade‐offs downstream from Glen Canyon Dam, Arizona LE Stevens, TJ Ayers, JB Bennett, K Christensen, MJC Kearsley, ... Ecological Applications 11 (3), 701-710, 2001 | 91 | 2001 |
| The mobilization of aluminum in a natural soil system: effects of hydrologic pathways IM Cozzarelli, JS Herman, RA Parnell Jr Water Resources Research 23 (5), 859-874, 1987 | 84 | 1987 |
| A comprehensive springs classification system AE Springer, LE Stevens, DE Anderson, RA Parnell, DK Kreamer, ... Aridland springs in North America: ecology and conservation. University of …, 2008 | 79 | 2008 |
| Oxygen isotope composition of annually banded modern and mid-Holocene travertine and evidence of paleomonsoon floods, Grand Canyon, Arizona, USA GR O'Brien, DS Kaufman, WD Sharp, V Atudorei, RA Parnell, LJ Crossey Quaternary Research 65 (3), 366-379, 2006 | 65 | 2006 |
| Volatiles from the 1994 eruptions of Rabaul: Understanding large caldera systems K Roggensack, SN Williams, SJ Schaefer, RA Parnell Jr Science 273 (5274), 490-493, 1996 | 60 | 1996 |
| Composition, distribution and neutralization of “acid rain” derived from Masaya volcano, Nicaragua N Johnson, RA Parnell Jr Tellus B: Chemical and Physical Meteorology 38 (2), 106-117, 1986 | 60 | 1986 |
| Topographic and bathymetric changes at thirty-three long-term study sites JE Hazel Jr, M Kaplinski, R Parnell, M Manone, A Dale Geophysical Monograph Series 110, 161-183, 1999 | 58 | 1999 |
| Interactions between geomorphology and ecosystem processes in travertine streams: implications for decommissioning a dam on Fossil Creek, Arizona JC Marks, R Parnell, C Carter, EC Dinger, GA Haden Geomorphology 77 (3-4), 299-307, 2006 | 46 | 2006 |
| The EMBeRS project: employing model-based reasoning in socio-environmental synthesis D Pennington, G Bammer, A Danielson, D Gosselin, J Gouvea, G Habron, ... Journal of Environmental Studies and Sciences 6, 278-286, 2016 | 44 | 2016 |
| Potential for travertine formation: fossil Creek, Arizona J Malusa, ST Overby, RA Parnell Applied Geochemistry 18 (7), 1081-1093, 2003 | 44 | 2003 |
| Inorganic/organic host–guest materials: Surface and interclay reactions of styrene with copper (II)‐exchanged hectorite TL Porter, ME Hagerman, BP Reynolds, MP Eastman, RA Parnell Journal of Polymer Science Part B: Polymer Physics 36 (4), 673-679, 1998 | 40 | 1998 |
| Impacts of acid emissions from Nevado del Ruiz volcano, Colombia, on selected terrestrial and aquatic ecosystems RA Parnell Jr, KJ Burke Journal of Volcanology and Geothermal Research 42 (1-2), 69-88, 1990 | 35 | 1990 |
| Processes of soil acidification in tropical durandepts, Nicaragua RA Parnell Jr Soil Science 142 (1), 43-55, 1986 | 29 | 1986 |
| Dissolved uranium and arsenic in unregulated groundwater sources–Western Navajo Nation L Jones, J Credo, R Parnell, JC Ingram Journal of Contemporary Water Research & Education 169 (1), 27-43, 2020 | 28 | 2020 |
| Monitoring fine-grained sediment in the Colorado River ecosystem, Arizona—Control network and conventional survey techniques JE Hazel Jr, M Kaplinski, RA Parnell, K Kohl, JC Schmidt Open-File Report, 2008 | 24 | 2008 |
| Weathering processes and pickeringite formation in a sulfidic schist: a consideration in acid precipitation neutralization studies RA Parnell Jr Environmental Geology 4 (3), 209-215, 1982 | 23 | 1982 |
