Peter Caldwell, Research Hydrologist

Peter Caldwell

Research Emphasis:

Assessing the sources and residence times of water and solutes in headwater catchments, vegetation and topographic controls on the hydrograph, impacts of increasing hydroclimatic variability on water quality and quantity

Contact Information:

Primary Organization:  USDA Forest Service

Mailing Address:

Peter Caldwell
3106 Coweeta Lab Rd.
Otto, NC 28763

Office Phone:  828.524.2128 x124

FAX Number:  828-369-6768


Web Page:

CWT Publications and Presentations: (custom bibliography)

Journal Articles

Duan, K., Sun, G., McNulty, S. G., Caldwell, P. V., Cohen, E. C., Sun, S., Aldridge, H. D., Zhou, D., Zhang, L., and Zhang, Y.: Future shift of the relative roles of precipitation and temperature in controlling annual runoff in the conterminous United States, Hydrol. Earth Syst. Sci., 21, 5517-5529,, 2017

Elliott, Katherine J.; Caldwell, Peter V.; Brantley, Steven T.; Miniat, Chelcy F.; Vose, James M.; Swank, Wayne T. 2017. Water yield following forest-grass-forest transitions. Hydrology and Earth System Sciences, Vol. 21(2): 17 pages.: 981-997. DOI:10.5194/hess-21-981-2017

Hain EF, Kennen JG, Caldwell PV, Nelson SAC, Sun G, McNulty SG. Using regional scale flow–ecology modeling to identify catchments where fish assemblages are most vulnerable to changes in water availability. Freshwater Biol. 2017;00:1–18.

Jackson CR, Webster JR, Knoepp JD, et al. Unexpected ecological advances made possible by long-term data: A Coweeta example. WIREs Water. 2018;e1273.

Caldwell, P. V., Miniat, C. F., Elliott, K. J., Swank, W. T., Brantley, S. T. and Laseter, S. H. (2016), Declining water yield from forested mountain watersheds in response to climate change and forest mesophication. Glob Change Biol, 22: 2997–3012. doi:10.1111/gcb.13309

Vose, J.M., et al. Ecohydrological implications of drought for forests in the United States. Forest Ecol. Manage. (2016),

Caldwell, P.V., Kennen, J.G., Sun, G., Kiang, J.E., Butcher, J.B., Eddy, M.C., Hay, L.E., LaFontaine, J.H., Hain, E.F., Nelson, S.A. and McNulty, S.G. 2015. A comparison of hydrologic models for ecological flows and water availablity. Ecohydrology. (DOI: 10.1002/eco.1602)

Fang, Y., Sun, G., Caldwell, P., McNulty, S.G., Noormets, A., Domec, J.-C., King, J., Zhang, Z., Zhang, X., Lin, G., Zhou, G., Xiao, J. and Chen, J. 2015. Monthly land cover-specific evapotranspiration models derived from global eddy flux measurements and remote sensing data. Ecohydrology. (DOI: 10.1002/eco.1629)

Schwalm, C., Huntzinger, D., Cook, R., Wei, Y., Baker, I., Neilson, R., Poulter, B., Caldwell, P., Sun, G., Tian, H. and Zeng, N. 2015. How well do terrestrial biosphere models simulate coarse-scale runoff in the contiguous United States? Ecological Modelling. 303:87-96. (DOI:

Sun, G., Caldwell, P.V. and McNulty, S.G. 2015. Modelling the potential role of forest thinning in maintaining water supplies under a changing climate across the conterminous United States. Hydrological Processes. (DOI: 10.1002/hyp.10469) (accepted)

Caldwell, P., Segura, C., Laird, S.G., Sun, G., McNulty, S.G., Sandercock, M., Boggs, J. and Vose, J.M. 2014. Short-term stream water temperature observations permit rapid assessment of potential climate change impacts. Hydrological Processes. (DOI: 10.1002/hyp.10358)

Segura, C., Caldwell, P., Sun, G., McNulty, S. and Zhang, Y. 2014. A model to predict stream water temperature across the conterminous USA. Hydrological Processes. (DOI: 10.1002/hyp.10357)

Vose, J.M., Miniat, C.F., Sun, G. and Caldwell, P.V. 2014. Potential implications for expansion of freeze-tolerant Eucalyptus plantations on water resources in the southern United States. Forest Science. (DOI:

Conference Posters and Presentations

Elliott, K.J., Caldwell, P.V., Knoepp, J.D., Zietlow, D.R., Vose, J.M.,Bolstad, P., Miniat, C.F. 2018. Effects of large wildfires on water quality and water quantity in mesophytic forests of the Eastern US. ESA Annual Meeting, August 5-10, 2018. New Orleans, LA.

Miniat, C.F., K.J. Elliott, J.D. Knoepp, P.V. Caldwell, A.C. Oishi, S.N.D. Hawthorne, and S.T. Brantley. How reforestation may impact water quantity and quality. Invited oral presentation at the USDA Forest Service Reforestation Matters Workshop: Understanding the costs of inadequate reforestation. April 12-13, 2017. Portland, Oregon.

Stringer, Christina E.; Krauss, Ken W.; Latimer, James S., eds. 2016. LONG TERM RECORDS PROVIDE INSIGHTS ON THE RELATIVE INFLUENCE OF CLIMATE, Headwaters to estuaries: advances in watershed science and management—Proceedings of the Fifth Interagency Conference on Research in the Watersheds. March 2-5, 2015, North Charleston, South Carolina. e-Gen. Tech. Rep. SRS-211. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 302 p.