Brent Dalzell

Brent Dalzell.
Adjunct Assistant Professor
[email protected]
651-649-5046
150 Borlaug Hall
Brent's USDA ARS Webpage
Brent's Google Scholar Profile
Education
  • BS, University of Wisconsin–La Crosse, 1997
  • MS, University of Minnesota, 2000
  • PhD, Purdue University, 2004
External Affiliations

USDA ARS

Areas of Interest

Biogeochemistry, Contaminant Hydrology and Water Quality, Ecosystem Modeling

Research

Applied Environmental Geoscience: Application of geochemical and modeling approaches to understand anthropogenic impacts on Earth resources. Evaluation of alternative management practices to improve environmental quality.
Soil Biogeochemistry: Studying the sources, transformations, and sinks of organic carbon and nutrients in soils and their connected aquatic ecosystems by applying a variety of techniques including molecular and stable isotope biomarkers as well as GIS analyses of spatial datasets.

Select Publications

  • Denham, S.O., D.M. Browning, B. Dalzell, G.N. Flerchinger, P.E. Clark, S. Goslee, D.L. Hoover, M. Litvak, M. Maritz, D. Huggins, C.L. Phillips, R.L. Scott, A.P. Schreiner-McGraw, J. Prueger, J. Alfieri, R. Bracho, M. Silveira, C.W. Whippo. 2025. The ability of near-surface vegetation greenness to predict productivity and evapotranspiration is highly variable within and across diverse agroecosystems. Journal of Environmental Quality. https://doi.org/10.1002/jeq2.70043 Read article
  • Mott, J., Z.P. Simpson, C.H. Bolster, J. Faulkner, K. King, W. Osterholz, M. Williams, B. Dalzell, C. Dolph, G. Feyereisen, L. Duriancik, P.J.A. Kleinman. 2025. Combining soil conservation with phosphorus drawdown can confront legacy P accumulation and transfer. Journal of Soil and Water Conservation. DOI: 10.1080/00224561.2025.2492525
  • Lang, Z., S. Rabotyagov, A. Hansen, B. Dalzell, T. Campbell, and J. Tao. 2025. Integrated assessment of cost-effective water quality improvements in the Minnesota River Basin: combining stated preferences and simulation-optimization approaches. Environmental Management. DOI:10.1007/s00267-025-02179-1
  • Levers, LR., B.J. Dalzell, and J.M. Peterson. 2025. Optimizing land management for nitrogen reduction: a bio-economic model. Journal of Environmental Management. DOI: 10.1016/j.jenvman.2025.124702
  • Herreid, A.M., B.J. Dalzell, K. Flynn, J. Baker. 2025. Using spatially rich datasets to assess the infl ence of channel characteristics on biogeochemical behavior in agricultural watersheds. Water Resources Research. DOI: 10.1029/2024WR038265
  • Simpson, Z. P. Kleinman, J. Mott, K. Elkin, A. Buda, J. Faulkner, C. Hapeman, G. McCarty, M. Foroughi, W. Hively, K. King, W. Osterholz, C. Penn, M. Williams, L. Witthaus, M. Locke, E. Pawlowski, B. Dalzell, G. Feyereisen, C. Dolph, B. Bjornberg, K. Nouwakpo, C. Rogers, C. Bolster, L. Duriancik. 2024. Phosphorus lability across diverse agricultural contexts with legacy sources. Journal of Environmental Quality. DOI: 10.1002/jeq2.20632
  • Liebig, M., L. Abendroth, G. Robertson, D. Augustine, E. Boughton, G. Bagley, D. Busch, P. Clark, A. Coffin, B. Dalzell, C. Dell, A-M. Fortuna, A. Freidenreich, P. Heilman, C. Helseth, D. Huggins, J. Johnson, M. Khorchani, K. King, J.L. Kovar, M. Locke, S. Mirsky, M. Schantz, M. Schmer, M.L. Silveira, D. Smith, K. Soder, S. Spiegal, J. Stinner, D. Toledo, M. Williams, J. Yost. 2024. The LTAR Common Experiment: Facilitating Improved Agricultural Sustainability through Coordinated Cross-Site Research. Journal of Environmental Quality, 53(6), 787-801. DOI:10.1002/jeq2.20636
  • Dolph, C. J. Finlay, B. Dalzell, and G. Feyereisen. 2024. Phosphorus transport in a hotter and drier climate: in-channel release of legacy phosphorus during summer low flow conditions. Hydrology and Earth System Sciences. 28(23), 5249-5294. DOI: 10.5194/hess-28-5249-2024
  • Dalzell, B.J., J.M. Baker, R.T. Venterea, K.A. Spokas, G.W. Feyereisen, P.J. Rice, and J.R. Alexander. 2024. The LTAR Cropland Common Experiment at Upper Mississippi River Basin – St. Paul.
     ournal of Environmental Quality. DOI: 10.1002/jeq2.20615
  • Felton, R., B.J. Dalzell, J. Baker, K.D. Flynn, and S.A. Porter. 2023. Novel, ultralight platform for mapping water quality parameters in low-order streams. ES&T: Water. DOI: 10.1021/acsestwater.3c00280
  • Feyereisen, G.W., E. Ghane, T.W. Schumacher, B.J. Dalzell, and M.R. Williams. 2023. Can woodchip bioreactors be used as a catchment scale? Nitrate performance and sediment considerations. Journal of the ASABE. DOI: 10.13031/ja.15496
  • Dolph, C.L., S.J. Cho, J.C. Finlay, A.T. Hansen, and B. Dalzell. 2023. Predicting high resolution total phosphorus concentrations for soils of the Upper Mississippi River Basin using machine learning. Biogeochemistry. DOI: 10.1007/s10533-023-01029-8
  • Dalzell, B.J., C. Fissore, and E.A. Nater. 2022. Topography and land use impact erosion and soil o ganic carbon burial over decadal timescales. Catena. DOI: 10.1016/j.catena.2022.106578
  • Gamble, J., J. Baker, B. Dalzell, C. Wente, and G. Feyereisen. 2022. Ecohydrology of irrigated silag maize and alfalfa production systems in the upper Midwest US. Agricultural Water Management. DOI: 10.1016/j.agwat.2022.107612
  • Amy T Hansen, Todd Campbell, Se Jong Cho, Jonathon A Czuba, Brent J Dalzell, Christine L Dolph, Peter L Hawthorne, Sergey Rabotyagov, Zhengxin Lang, Karthik Kumarasamy, Patrick Belmont, Jacques C Finlay, Efi Foufoula-Georgiou, Karen B Gran, Catherine L Kling, Peter Wilcock. 2021. Integrated assessment modeling reveals near-channel management as cost-effective to improve w ter quality in agricultural watersheds. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.2024912118
  • Cho, S.J., C. A. Braudrick, C.L. Dolph, S. Day, B.J. Dalzell, and P.R. Wilcock. 2020. Simulation of fluvial sediment dynamics through strategic assessment of stream gauge data: A targeted watershed sed ment loading analysis. Journal of Environmental Management. DOI: 10.1016/j.jenvman.2020.111420
  • Dolph, C.L., E. Boardman, M. Danesh, J. Finlay, A. Hansen, A. Baker, and B. Dalzell. 2019. Phosphorus Transport in Intensively Managed Watersheds. Water Resources Research. DOI: 10.1029/2018WR024009
  • Antolini, F., E. Tate, B. Dalzell, N. Young, K. Johnson, and P. Hawthorne. 2019. Flood Risk Reduction from Agricultural Best Management Practices. Journal of the American Water Resources Association. DOI: 10.1111/1752-1688.12812
  • Gran, K. C. Dolph, A. Baker, M. Bevis, S.J. Cho, J.A. Czuba, B. Dalzell, A. Hansen, S. Kelly, Z. Lang, J. Schwenk, P. Belmont, J.C. Finlay, P. Kumar, S. Rabotyagov, G. Roehrig, P. Wilcock, and E. Foufoula-Georgiou. 2019. The power of environmental observatories for advancing multidisciplinary research, outreach, and decision support: the case of the Minnesota River Basin. Water Resources Research. DOI: 10.1029/2018WR024211
  • Mitchell, N., K. Kumarasamy, S.Cho, P. Belmont, B. Dalzell, and K. Gran. August 2018. Reducing High Flows and Sediment Loading through Increased Water Storage in an Agricultural Watershed of the Upper Midwest, USA. Water. 10, 1053; DOI:10.3390/w10081053
  • Dalzell, B.J. and D.J. Mulla. 2018. Perennial vegetation impacts on stream discharge and channel sources of sediment in the Minnesota River Basin. Journal of Soil and Water Conservation. 73(2) 120-132. DOI:10.2489/jswc.73.2.120
  • Pennington, D., B. Dalzell, E. Nelson, S. Polasky, D. Mulla, S. Taff, P. Hawthorne., and S. Polasky. 2017. Cost-effective land use planning: Optimizing spatial land management to maximize social benefits. Ecological Economics. 139: 75-90. DOI:10.1016/j.ecolecon.2017.04.24
  • Fissore, C., B.J. Dalzell, A.A. Berhe, M. Voegtle, M. Evans, and A. Wu. 2016. Influence of topography on soil organic carbon dynamics in a southern California grassland. Catena. 149: 140-149. DOI: 10.1016/j.catena.2016.09.016
  • Johnson, K.A., B.J. Dalzell, M. Donahue, J. Gourevitch, D.L. Johnson, G.S. Karlovits, B. Keeler, and J.T. Smith. 2016. Conservation Reserve Program (CRP) lands provide ecosystem service benefits that exceed land rental payment costs. Ecosystem Services. 18: 175-185 DOI: 10.1016/j.ecoser.2016.03.004
  • Dalzell, B.J., J.M.F. Johnson, J. Tallaksen, D.L. Allan, and N.W. Barbour. 2013. Simulated impacts of crop residue removal and tillage on soil organic matter maintenance. Soil Science Society of America Journal.77: 1349-1356. DOI: 10.2136/sssaj2012.0221
  • Keeler, B., S. Polasky, K. Brauman, K. Johnson, J. Finlay, A. O’Neill, K. Kovacs, and B. Dalzell. 2012. Linking water quality and well-being for improved assessment and valuation of ecosystem services. Proceedings of the National Academy of Sciences. DOI: 10.1073/pnas.1215991109
  • Dalzell, B.J., J.Y. King, D.J. Mulla, J.C. Finlay, and G.R. Sands. 2011. Influence of subsurface drainage on quantity and quality of dissolved organic matter export from agricultural landscapes. Journal of Geophysical Research. DOI: 10.1029/2010JG001540 [this paper was highlighted in the American Geophysical Union Research Spotlight: Eos 92(31): p. 264]