Publications and references to other information can be found at:

Selected publications:

Callahan, John A., Daniel J. Leathers, and Christina L. Callahan, 2022. Comparison of Extreme Coastal Flooding Events Between Tropical and Mid-Latitude Weather Systems in the Delaware and Chesapeake Bays for 1980- 2019.  Journal of Applied Meteorology and Climatology.

Warner, Daniel L., Mario Guevara, John Callahan, and Rodrigo Vargas, 2021. Downscaling satellite soil moisture for landscape applications in the Mid-Atlantic region, USA. Journal of Hydrology, Vol 38.

Callahan, John A., and Daniel J. Leathers, 2021. Estimation of Return Levels for Extreme Skew Surge Coastal Flooding Events in the Delaware and Chesapeake Bays for 1980 – 2019.  Frontiers in Climate, Vol. 3:684834.

Callahan, John A., Daniel J. Leathers, and Christina L. Callahan, 2021.  Skew Surge and Storm Tides of Tropical Storms in the Delaware and Chesapeake Bays for 1980- 2019. Frontiers in Climate, Vol 3: 610062, special collection on Coastal Flooding: Modeling, Monitoring, and Protection Systems.

Callahan, John A., 2021. Skew surge and extreme coastal flooding events in the Delaware and Chesapeake Bays of the US Mid-Atlantic coast for 1980 – 2019.  PhD Dissertation, Department of Geography and Spatial Sciences, 230 pp.  Available from Dissertations & Theses @ University of Delaware; ProQuest Dissertations & Theses A&I. (2572616185).

Stotts, Stephanie, John Callahan, and Olivia Gulledge, 2021. Impact of Channel Dredging and Straightening in an Atlantic White Cedar (Chamaecyparis thyoides L. (B.S.P.)) Freshwater Tidal Wetland. Journal of Coastal Research, 37(5), 973-986.

Callahan, John A., Benjamin P. Horton, Daria L. Nikitina, Christopher K. Sommerfield, Thomas E. McKenna, and Danielle Swallow, 2017. Recommendation of Sea-Level Rise Planning Scenarios for Delaware. Technical Report prepared for Delaware Department of Natural Resources and Environmental Control (DNREC) Delaware Coastal Programs, 117 pp.

Callahan, John A., 2014. Estimation of Precipitable Water Over the Amazon Basin Using GOES Imagery. Master’s Thesis, Department of Geography and Spatial Sciences, University of Delaware, 221 pages.  Available from University of Delaware Institutional Repository.

Samoteskul, K., Firestone, J., Corbett, J., Callahan, J., 2014. Changing Vessel Routes Could Significantly Reduce the Cost of Future Offshore Wind Projects. Journal of Environmental Management, Volume 141, pp 146–154.

Bates, A., Samoteskul, K., Callahan, J., Corbett, J., Kempton, W., Madsen, J., Shriver, G., Dvorak, M., Kenney, R., McCormack, R., Harris, K. Noel, L., and Firestone, J., 2012. Delaware Marine Spatial Planning: Offshore Wind Context. Final Report. Center for Carbon-free Power Integration, 108 pp. Available at

Madsen J., A. Bates, J. Callahan, and J. Firestone, 2011. Use of Geospatial Data in Planning for Offshore Wind Development. In: Thakur J.K., Singh S.K., Ramanathan A., Prasad M.B.K., Gossel W. (eds) Geospatial Techniques for Managing Environmental Resources. Springer, Dordrecht.

Vanderlaan, Angelia S. M., James J. Corbett, Shannon L. Green, John A. Callahan, Chengfeng Wang, Robert D. Kenney, Christopher T. Taggart, and Jeremy Firestone, 2009. Probability and Mitigation of Vessel Encounters with North Atlantic Right Whales, Endangered Species Research, Vol 6, p. 273-285.