Institution: Virginia Tech
Department: Virginia Water Resources Research Center and Dept. of Forest Resources and Envir
210B Cheatham Hall (0444)
Blacksburg, VA 24061
Department: Virginia Water Resources Research Center and Dept. of Forest Resources and Envir
210B Cheatham Hall (0444)
Blacksburg, VA 24061
Hubbard Brook Role: Investigator
Research Interests
Watershed hydrology, hydropedology, ecological and hydrological process linkages, runoff generation processes, tracer and isotope applications in hydrology, scale issues, land use and climate change effects on water resources, forest watershed management.
Hubbard Brook Publications by this Author
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Bower, J. A., Ross, D. S., Bailey, S. W., Pennino, A. M., Jercinovic, M. J., McGuire, K. J., Strahm, B. D., & Schreiber, M. E. (2023). Development of a lateral topographic weathering gradient in temperate forested podzols. Geoderma, 439, 116677. https://doi.org/10.1016/j.geoderma.2023.116677
Benton, J. R., McGuire, K. J., & Schreiber, M. E. (2022). Subsurface permeability contrasts control shallow groundwater flow dynamics in the critical zone of a glaciated, headwater catchment. Hydrological Processes, 36(9), e14672. https://doi.org/10.1002/hyp.14672
Green, M. B., Bailey, S. W., Campbell, J. L., McGuire, K. J., Bailey, A. S., Fahey, T. J., Lany, N., & Zietlow, D. (2021). A catchment water balance assessment of an abrupt shift in evapotranspiration at the Hubbard Brook Experimental Forest, New Hampshire, USA. Hydrological Processes, n/a(n/a), e14300. https://doi.org/10.1002/hyp.14300
Jensen, C. K., McGuire, K. J., Shao, Y., & Dolloff, C. A. (2018). Modeling wet headwater stream networks across multiple flow conditions in the Appalachian Highlands. Earth Surface Processes and Landforms, 43(13), 2762–2778. https://doi.org/10.1002/esp.4431
McGuire, K. J., Torgersen, C. E., Likens, G. E., Buso, D. C., Lowe, W. H., & Bailey, S. W. (2014). Network analysis reveals multiscale controls on streamwater chemistry. Proceedings of the National Academy of Sciences, 111(19), 7030–7035. https://doi.org/10.1073/pnas.1404820111
Campbell, J. L., Rustad, L. E., Bailey, S. W., Bernhardt, E. S., Driscoll, C. T., Green, M. B., Groffman, P. M., Lovett, G. M., McDowell, W. H., McGuire, K. J., & Rosi, E. J. (2021). Watershed studies at the Hubbard Brook Experimental Forest: Building on a long legacy of research with new approaches and sources of data. Hydrological Processes, 35(1), e14016. https://doi.org/https://doi.org/10.1002/hyp.14016
Wexler, S. K., Goodale, C. L., McGuire, K. J., Bailey, S. W., & Groffman, P. M. (2014). Isotopic signals of summer denitrification in a northern hardwood forested catchment. Proceedings of the National Academy of Sciences, 111(46), 16413–16418. https://doi.org/10.1073/pnas.1404321111
Morse, J. L., Werner, S. F., Gillin, C. P., Goodale, C. L., Bailey, S. W., McGuire, K. J., & Groffman, P. M. (2014). Searching for biogeochemical hot spots in three dimensions: Soil C and N cycling in hydropedologic settings in a northern hardwood forest. Journal of Geophysical Research: Biogeosciences, 119(8), 2013JG002589. https://doi.org/10.1002/2013JG002589
Huntington, T. G., Richardson, A. D., McGuire, K. J., & Hayhoe, K. (2009). Climate and hydrological changes in the northeastern United States: recent trends and implications for forested and aquatic ecosystems. Canadian Journal of Forest Research, 39, 199–212.
McGuire, K. (2014, September 25). A hydropedological approach to describing catchment spatial organization: linkages between soil development, groundwater regimes, and solute patterns in a headwater catchment (HBR.2014-06). 2014 AGU Chapman Conference on Catchment Spatial Organization and Complex Behavior. https://agu.confex.com/agu/14chapman1/webprogram/Paper1939.html
Oda, T., Green, M. B., Urakawa, R., Scanlon, T. M., Sebestyen, S. D., McGuire, K. J., Katsuyama, M., Fukuzawa, K., Adams, M. B., & Ohte, N. (2018). Stream Runoff and Nitrate Recovery Times After Forest Disturbance in the USA and Japan. Water Resources Research, 54(9), 6042–6054. https://doi.org/10.1029/2017WR021986
Gannon, J. P., Bailey, S. W., McGuire, K. J., & Shanley, J. B. (2015). Flushing of distal hillslopes as an alternative source of stream dissolved organic carbon in a headwater catchment. Water Resources Research, 51(10), 8114–8128. https://doi.org/10.1002/2015WR016927
Gannon, J. P., Bailey, S. W., & McGuire, K. J. (2014). Organizing groundwater regimes and response thresholds by soils: A framework for understanding runoff generation in a headwater catchment. Water Resources Research, n/a-n/a. https://doi.org/10.1002/2014WR015498
Detty, J. M., & McGuire, K. J. (2010). Threshold changes in storm runoff generation at a till-mantled headwater catchment. Water Resources Research, 46(7). https://doi.org/10.1029/2009WR008102
Gillin, C., Bailey, S., McGuire, Kevin, & Gannon, J.P. (2015). Mapping of Hydropedologic Spatial Patterns in a Steep Headwater Catchment. Soil Science Soc. Am. J., 79(2), 40–453. https://doi.org/10.2136/sssaj2014.05.0189
Benettin, P., Bailey, S. W., Campbell, J. L., Green, M. B., Rinaldo, A., Likens, G. E., McGuire, K. J., & Botter, G. (2015). Linking water age and solute dynamics in streamflow at the Hubbard Brook Experimental Forest, NH, USA. Water Resources Research, n/a-n/a. https://doi.org/10.1002/2015WR017552
Gillin, C. P., Bailey, S. W., McGuire, K. J., & Prisley, S. P. (2015). Evaluation of Lidar-derived DEMs through Terrain Analysis and Field Comparison. Photogrammetric Engineering & Remote Sensing, 81(5), 387–396. https://doi.org/10.14358/PERS.81.5.387
Green, M. B., Laursen, B. K., Campbell, J. L., McGuire, K. J., & Kelsey, E. P. (2015). Stable water isotopes suggest sub-canopy water recycling in a northern forested catchment. Hydrological Processes, 29(25), 5193–5202. https://doi.org/10.1002/hyp.10706
Detty, J. M., & McGuire, K. J. (2010). Topographic controls on shallow groundwater dynamics: implications of hydrologic connectivity between hillslopes and riparian zones in a till mantled catchment. Hydrological Processes, 24(16), 2222–2236. https://doi.org/10.1002/hyp.7656
Zimmer, M. A., Bailey, S. W., McGuire, K. J., & Bullen, T. D. (2012). Fine scale variations of surface water chemistry in an ephemeral to perennial drainage network. Hydrological Processes. https://doi.org/10.1002/hyp.9449
Jensen, C. K., McGuire, K. J., & Prince, P. S. (2017). Headwater stream length dynamics across four physiographic provinces of the Appalachian Highlands. Hydrological Processes, n/a-n/a. https://doi.org/10.1002/hyp.11259
Gannon, J. P., McGuire, K. J., Bailey, S. W., Bourgault, R. R., & Ross, D. S. (2017). Lateral water flux in the unsaturated zone: A mechanism for the formation of spatial soil heterogeneity in a headwater catchment. Hydrological Processes, 31(20), 3568–3579. https://doi.org/10.1002/hyp.11279
Ali, G., Tetzlaff, D., McDonnell, J. J., Soulsby, C., Carey, S., Laudon, H., McGuire, K., Buttle, J., Seibert, J., & Shanley, J. (2015). Comparison of threshold hydrologic response across northern catchments. Hydrological Processes, n/a-n/a. https://doi.org/10.1002/hyp.10527
Botter, G., Benettin, P., McGuire, K., & Rinaldo, A. (2016). Water age and stream solute dynamics at the Hubbard Brook Experimental Forest (US). Geophysical Research Abstracts, 18, 13527. http://adsabs.harvard.edu/abs/2016EGUGA..1813527B
Benettin, P., Bailey, S. W., Rinaldo, A., Likens, G. E., McGuire, K. J., & Botter, G. (2017). Young runoff fractions control streamwater age and solute concentration dynamics. Hydrological Processes, 31, 2982–2986. https://doi.org/10.1002/hyp.11243
Nijzink, R., Hutton, C., Pechlivanidis, I., Capell, R., Arheimer, B., Freer, J., Han, D., Wagener, T., McGuire, K., Savenije, H., & Hrachowitz, M. (2016). The evolution of root-zone moisture capacities after deforestation: a step towards hydrological predictions under change? Hydrol. Earth Syst. Sci., 20(12), 4775–4799. https://doi.org/10.5194/hess-20-4775-2016
Fraser, O. L., Bailey, S. W., Ducey, M. J., & McGuire, K. J. (2020). Predictive modeling of bedrock outcrops and associated shallow soil in upland glaciated landscapes. Geoderma, 376, 114495. https://doi.org/10.1016/j.geoderma.2020.114495
Bailey, S. W., McGuire, K. J., Ross, D. S., Green, M. B., & Fraser, O. L. (2019). Mineral Weathering and Podzolization Control Acid Neutralization and Streamwater Chemistry Gradients in Upland Glaciated Catchments, Northeastern United States. Frontiers in Earth Science, 7. https://doi.org/10.3389/feart.2019.00063
Bourgault, R. R., Ross, D. S., Bailey, S. W., Bullen, T. D., McGuire, K. J., & Gannon, J. P. (2017). Redistribution of soil metals and organic carbon via lateral flowpaths at the catchment scale in a glaciated upland setting. Geoderma, 307(Supplement C), 238–252. https://doi.org/10.1016/j.geoderma.2017.05.039
Bailey, S. W., Brousseau, P. A., McGuire, K. J., & Ross, D. S. (2014). Influence of landscape position and transient water table on soil development and carbon distribution in a steep, headwater catchment. Geoderma, 226–227, 279–289. https://doi.org/10.1016/j.geoderma.2014.02.017
Pardo, L. H., Green, M. B., Bailey, S. W., McGuire, K. J., & McDowell, W. H. (2022). Identifying Controls on Nitrate Sources and Flowpaths in a Forested Catchment Using a Hydropedological Framework. Journal of Geophysical Research: Biogeosciences, 127(2), e2020JG006140. https://doi.org/10.1029/2020JG006140