Jonathan M. Duncan, Ph.D., M.P.A.
- Associate Professor of Hydrology
University Park, PA 16802
- Email jmduncan@psu.edu
- Office 814-865-7554
Areas of Expertise
- Ecohydrology
- Hydrology
- Biogeochemistry
- Terrain Analysis
- Water Quality
- Watershed Management
Education
- 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
Publications
Identifying Sweet Spots for Green Stormwater Infrastructure Implementation: A Case Study in Lancaster, Pennsylvania
Journal of Sustainable Water in the Built Environment, Yavari Bajehbaj, Rouhangiz, Wu, Hong, Grady, Caitlin, Brent, Daniel, Clark, Shirley Elizabeth, Cibin, Raj, Duncan, Jonathan, Kumar Chaudhary, Anil, McPhillips, Lauren E., 2023
Critical zone perspectives for managing changing forests
Forest Ecology and Management, Kopp, Marissa, Alving, Denise, Blackman, Taylor, Kaye, Margot, Duncan, Jonathan, Kaye, Jason, 2023
Spatial and Temporal Patterns of Nitrogen Mobilization in Residential Lawns
Ecosystems, Suchy, Amanda K., Groffman, Peter M., Band, Lawrence E., Duncan, Jonathan M., Gold, Arthur J., Grove, J. Morgan, Locke, Dexter H., Templeton, Laura, Zhang, Ruoyu, 2023
Long-term trends in nitrate and chloride in streams in an exurban watershed
Urban Ecosystems, Castiblanco, Emma S., Groffman, Peter M., Duncan, Jonathan, Band, Lawrence E., Doheny, Edward, Fisher, Gary T., Rosi, Emma, Suchy, Amanda K., 2023
Spatial Heterogeneity and Temporal Stability of Baseflow Stream Chemistry in an Urban Watershed
Water Resources Research, Welty, Claire, Moore, Joel, Bain, Daniel J., Talebpour, Mahdad, Kemper, John T., Groffman, Peter M., Duncan, Jonathan M., 2023
With warming, spring streamflow peaks are more coupled with vegetation green-up than snowmelt in the northeastern United States
Hydrological Processes, Khodaee, Mahsa, Hwang, Taehee, Ficklin, Darren L., Duncan, Jonathan M., 2022
The Nonpoint Sources and Transport of Baseflow Nitrogen Loading Across a Developed Rural-Urban Gradient
Water Resources Research, Delesantro, Joseph, Duncan, Jonathan, Riveros-Iregui, Diego, Blaszczak, Joanna, Bernhardt, Emily, Urban, Dean, Band, Lawrence, 2022
An open-source automated workflow to delineate storm events and evaluate concentration-discharge relationships
Hydrological Processes, Millar, David, Buda, Anthony, Duncan, Jonathan, Kennedy, Casey, 2022
Spatial asynchrony in environmental and economic benefits of stream restoration
Environmental Research Letters, Zhang, Ruoyu, Newburn, David, Rosenberg, Andrew, Lin, Laurence, Groffman, Peter, Duncan, Jonathan, Band, Lawrence, 2022
Characterizing and classifying urban watersheds with compositional and structural attributes
Hydrological Processes, Delesantro, Joseph M., Duncan, Jonathan M., Riveros-Iregui, Diego, Blaszczak, Joanna R., Bernhardt, Emily S., Urban, Dean L., Band, Lawrence E., 2021
Are spatial patterns of soil moisture at plot scales generalisable across catchments, climates, and other characteristics? A synthesis of synoptic soil moisture across the Mid-Atlantic
Hydrological Processes, Scaife, Charles I., Duncan, Jonathan M., Lin, Laurence, Tague, Christina, Bell, Colin D., Band, Lawrence, 2021
Factors affecting the placement of agricultural best management practices in the agricultural conservation planning framework (ACPF) toolbox in the mid-Atlantic region
Journal of Environmental Quality, Respess, Zachary M., Duncan, Jonathan M., 2021
Assessing urban rainfall-runoff response to stormwater management extent
Hydrological Processes, Miller, Andrew J., Welty, Claire, Duncan, Jonathan M., Baeck, Mary Lynn, Smith, James A., 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
The Limits of Homogenization: What Hydrological Dynamics can a Simple Model Represent at the Catchment Scale?
Water Resources Research, Wen, Hang, Brantley, S, Davis, K, Duncan, Jonathan, Li, L, 2021
The Agricultural Conservation Planning Framework: Opportunities and challenges in the eastern United States
Agricultural and Environmental Letters, Duncan, Jonathan M., Respess, Zachary, Ryan, William, Austin, Robert, Royer, Matthew, Osmond, Deanna, Kleinman, Peter, 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
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
Best Management Practices for Diffuse Nutrient Pollution: Wicked Problems across Urban and Agricultural Watersheds
Environmental Science & Technology, Lintern, Anna, McPhillips, Lauren, Winfrey, Brandon, Duncan, Jonathan, Grady, Caitlin, 2020
A global perspective on phosphorus management decision support in agriculture: Lessons learned and future directions
Journal of Environmental Quality, Drohan, Patrick, Bechmann, Marianne, Buda, Anthony, Djodjic, Faruk, Doody, Donnacha, Duncan, Jonathon M., Iho, Antti, Jordan, Phil, Kleinman, Peter, McDowell, Richard, others, None, 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: Evidence for riparian ecohydrologic controls
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: Spatial and temporal scaling of denitrification
Journal of Geophysical Research: Biogeosciences, Duncan, Jonathan M., Groffman, Peter M., Band, Lawrence E., 2013