Jonathan M. Duncan, Ph.D., M.P.A.

Jonathan M. Duncan, Ph.D., M.P.A.

  • Assistant Professor of Hydrology
306 Forest Resources Building
University Park, PA 16802

Areas of Expertise

  • Ecohydrology
  • Hydrology
  • Biogeochemistry
  • Terrain Analysis
  • Water Quality
  • Watershed Management


  • B.S. SUNY Geneseo
  • M.S. SUNY Environmental Science & Forestry
  • M.P.A. Maxwell School of Syracuse University
  • Ph.D. University of North Carolina at Chapel Hill


The Limits of Homogenization
Water Resources Research, Wen, Hang, Brantley, Susan L., Davis, Kenneth J., Duncan, Jonathan M., Li, Li, 2021

A landscape approach to nitrogen cycling in urban lawns reveals the interaction between topography and human behaviors
Biogeochemistry, Suchy, Amanda K., Groffman, Peter M., Band, Lawrence E., Duncan, Jonathan M., Gold, Arthur J., Grove, J. Morgan, Locke, Dexter H., Templeton, Laura, 2021

On the controls of preferential flow in soils of different hillslope position and lithological origin
Hydrological Processes, Tang, Qicheng, Duncan, Jonathan M., Guo, Li, Lin, Henry, Xiao, Dacheng, Eissenstat, David M., 2020

Best Management Practices for Diffuse Nutrient Pollution
Environmental Science & Technology, Lintern, Anna, McPhillips, Lauren, Winfrey, Brandon, Duncan, Jonathan, Grady, Caitlin, 2020

Pennsylvania Climate Change Impacts Assessment Update for PA Department of Environmental Protection, Shortle, J, Abler, D, Blumsack, S, Duncan, Jonathan, Fernandez, C, Keller, K, 2020

A global perspective on phosphorus management decision support in agriculture
Journal of Environmental Quality, Drohan, Patrick J., Bechmann, Marianne, Buda, Anthony, Djodjic, Faruk, Doody, Donnacha, Duncan, Jonathon M., Iho, Antti, Jordan, Phil, Kleinman, Peter J., McDowell, Richard, Mellander, Per Erik, Thomas, Ian A., Withers, Paul J.A., 2019

Changes in long-term water quality of Baltimore streams are associated with both gray and green infrastructure
Limnology and Oceanography, Reisinger, Alexander J., Woytowitz, Ellen, Majcher, Emily, Rosi, Emma J., Belt, Kenneth T., Duncan, Jonathan M., Kaushal, Sujay S., Groffman, Peter M., 2019

Applying the Watershed Approach to Urban Ecosystems, Groffman, P, Band, L, Belt, K, Bettez, N, Bhaskar, A, Duncan, Jonathan, 2019

Establishment of Multifunctional Riparian Buffers
STAC Publication, Herbstritt, S, Vazhnik, V, Fowler, L, Richard, T, Harvey, A, Duncan, Jonathan, 2019

Monitoring the riverine pulse: Applying high-frequency nitrate data to advance integrative understanding of biogeochemical and hydrological processes
Wiley Interdisciplinary Reviews: Water, Burns, Douglas A., Pellerin, Brian A., Miller, Matthew P., Capel, Paul D., Tesoriero, Anthony J., Duncan, Jonathan M., 2019

Leveraging Big Data Towards Functionally-Based, Catchment Scale Restoration Prioritization
Environmental Management, Lovette, John P., Duncan, Jonathan M., Smart, Lindsey S., Fay, John P., Olander, Lydia P., Urban, Dean L., Daly, Nancy, Blackwell, Jamie, Hoos, Anne B., García, Ana María, Band, Lawrence E., 2018

Changes in long‐term water quality of Baltimore streams are associated with both gray and green infrastructure
Limnology & Oceangraphy, Reisinger, A, Woyowitz, Ellen, Woytowitz, E, Rosi, Emma, Belt, Ken, Duncan, Jonathan, Kaushal, Sujay, Groffman, Peter, 2018

Dynamics of nitrate concentration-discharge patterns in an urban watershed
Water Resources Research, Duncan, Jonathan M., Welty, Claire, Kemper, John T., Groffman, Peter M., Band, Lawrence E., 2017

Variable nitrate concentration–discharge relationships in a forested watershed
Hydrological Processes, Duncan, Jonathan M., Band, Lawrence E., Groffman, Peter M., 2017

Climate Variation Overwhelms Efforts to Reduce Nitrogen Delivery to Coastal Waters
Ecosystems, Bettez, Neil D., Duncan, Jonathan M., Groffman, Peter M., Band, Lawrence E., O’Neil-Dunne, Jarlath, Kaushal, Sujay S., Belt, Kenneth T., Law, Neely, 2015

Mechanisms driving the seasonality of catchment scale nitrate export
Water Resources Research, Duncan, Jonathan M., Band, Lawrence E., Groffman, Peter M., Bernhardt, Emily S., 2015

Ecohydrological flow networks in the subsurface
Ecohydrology, Band, L. E., McDonnell, J. J., Duncan, J. M., Barros, A., Bejan, A., Burt, T., Dietrich, W. E., Emanuel, R. E., Hwang, T., Katul, G., Kim, Y., McGlynn, B., Miles, B., Porporato, A., Scaife, C., Troch, P. A., 2014

Spatial and Temporal Scaling of Nitrogen Cycling and Export: Resolving Three Paradoxes for a Forested Piedmont Watershed, Duncan, Jonathan, 2014

Towards closing the watershed nitrogen budget
Journal of Geophysical Research: Biogeosciences, Duncan, Jonathan M., Groffman, Peter M., Band, Lawrence E., 2013

Benign use of salt slugs on aquatic macroinvertebrates
River Research and Applications, Muehlbauer, J. D., Duncan, J. M., Doyle, M. W., 2012

Legacy effects in material flux
BioScience, Bain, Daniel J., Green, Mark B., Campbell, John L., Chamblee, John F., Chaoka, Sayo, Fraterrigo, Jennifer M., Kaushal, Sujay S., Martin, Sherry L., Jordan, Thomas E., Parolari, Anthony J., Sobczak, William V., Weller, Donald E., Wollheim, Wilfred M., Boose, Emery R., Duncan, Jonathan M., Gettel, Gretchen M., Hall, Brian R., Kumar, Praveen, Thompson, Jonathan R., Vose, James M., Elliott, Emily M., Leigh, David S., 2012