| Export of dissolved organic carbon and acidity from peatlands NR Urban, SE Bayley, SJ Eisenreich Water Resources Research 25 (7), 1619-1628, 1989 | 223 | 1989 |
| Mobility and diagenesis of Pb and 210Pb in peat NR Urban, SJ Eisenreich, DF Grigal, KT Schurr Geochimica et Cosmochimica Acta 54 (12), 3329-3346, 1990 | 214 | 1990 |
| Addition of sulfur to organic matter during early diagenesis of lake sediments NR Urban, K Ernst, S Bernasconi Geochimica et cosmochimica acta 63 (6), 837-853, 1999 | 192 | 1999 |
| Solute transfer across the sediment surface of a eutrophic lake: I. Porewater profiles from dialysis samplers NR Urban, C Dinkel, B Wehrli Aquatic Sciences 59, 1-25, 1997 | 190 | 1997 |
| Response of atmospheric lead to decreased use of lead in gasoline SJ Eisenreich, NA Metzer, NR Urban, JA Robbins Environmental science & technology 20 (2), 171-174, 1986 | 160 | 1986 |
| Nitrogen cycling in a forested Minnesota bog NR Urban, SJ Eisenreich Canadian Journal of Botany 66 (3), 435-449, 1988 | 154 | 1988 |
| Sulfate reduction and diffusion in sediments of Little Rock Lake, Wisconsin NR Urban, PL Brezonik, LA Baker, LA Sherman Limnology and Oceanography 39 (4), 797-815, 1994 | 148 | 1994 |
| “New” DDT inputs to North America: atmospheric deposition RA Rapaport, NR Urban, PD Capel, JE Baker, BB Looney, SJ Eisenreich, ... Chemosphere 14 (9), 1167-1173, 1985 | 139 | 1985 |
| Carbon cycling in lake superior NR Urban, MT Auer, SA Green, X Lu, DS Apul, KD Powell, L Bub Journal of Geophysical Research: Oceans 110 (C6), 2005 | 125 | 2005 |
| The potential for CO₂-induced acidification in freshwater: A Great Lakes case study JC Phillips, GA McKinley, V Bennington, HA Bootsma, DJ Pilcher, ... Oceanography 28 (2), 136-145, 2015 | 120 | 2015 |
| Sulfur cycling in a forested Sphagnum bog in northern Minnesota NR Urban, SJ Eisenreich, DF Grigal Biogeochemistry 7, 81-109, 1989 | 108 | 1989 |
| Effects of bacterial dynamics on organic matter decomposition and nutrient release from sediments: A modeling study P Schultz, NR Urban Ecological Modelling 210 (1-2), 1-14, 2008 | 95 | 2008 |
| Geochemical processes controlling concentrations of Al, Fe, and Mn in Nova Scotia lakes NR Urban, E Gorham, JK Underwood, FB Martin, JG Ogden III Limnology and Oceanography 35 (7), 1516-1534, 1990 | 82 | 1990 |
| The relative importance of denitrification and nitrate assimilation in midcontinental bogs NR Urban, SJ Eisenreich, SE Bayley Limnology and Oceanography 33 (6part2), 1611-1617, 1988 | 80 | 1988 |
| Temporal and spatial variations in R: P ratios in Lake Superior, an oligotrophic freshwater environment ME Russ, NE Ostrom, H Gandhi, PH Ostrom, NR Urban Journal of Geophysical Research: Oceans 109 (C10), 2004 | 64 | 2004 |
| Proton cycling in bogs: geographic variation in northeastern North America NR Urban, SJ Eisenreich, E Gorham Effects of atmospheric pollutants on forests, wetlands and agricultural …, 1987 | 62 | 1987 |
| Aluminum geochemistry in peatland waters EH Helmer, NR Urban, SJ Eisenreich Biogeochemistry 9, 247-276, 1990 | 60 | 1990 |
| The acid-base balance of peatlands: a short-term perspective NR Urban, SE Bayley Water, Air, and Soil Pollution 30, 791-800, 1986 | 45 | 1986 |
| Using a model selection criterion to identify appropriate complexity in aquatic biogeochemical models CP McDonald, NR Urban Ecological Modelling 221 (3), 428-432, 2010 | 44 | 2010 |
| Retention of sulfur in lake sediments NR Urban | 42 | 1994 |
