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Snow Depth & Soil Freezing as a Regulator of Microbial Processes Publications

  • Campbell, J.L., M.J. Mitchell, P.M. Groffman and L.M. Christenson. 2005. Winter in northeastern North America: An often overlooked but critical period for ecological processes. Frontiers in Ecology and Environment 3:314-322.
  • Campbell, J.L., M. J. Mitchell, B. Mayer, P.M. Groffman and L.M. Christenson. Fate of 15N-labeled nitrate and 34S-labeled sulfate applied to snow at the Hubbard Brook Experimental Forest, New Hampshire. Submitted to Soil Science Society of America Journal.
  • Cleavitt, N.L., T. J. Fahey P.M. Groffman, J.P. Hardy, K.S. Henry, S. Fashu-Kanu and C.T. Driscoll. Winter injury by soil freezing to fine roots of mature trees in a northern hardwood forest. Submitted to Canadian Journal of Forest research.
  • Fitzhugh, R.D., C.T. Driscoll, P.M. Groffman, G.L. Tierney, T.J. Fahey and J.P. Hardy. 2001. Effects of soil freezing disturbance on soil solution nitrogen, phosphorus, and carbon chemistry in a northern hardwood ecosystem. Biogeochemistry 56:215-238.
  • Fitzhugh, R.D., C.T. Driscoll, P.M. Groffman, G.L. Tierney, T.J. Fahey and J.P. Hardy. 2003. Soil freezing and the acid-base chemistry of soil solutions in a northern hardwood forest. Soil Science Society of America Journal 67:1897-1908.
  • Fitzhugh, R.D., G.E. Likens, C.T. Driscoll, P.M. Groffman, T.J. Fahey, J.P. Hardy and M.J. Mitchell. 2003. Role of soil freezing events in interannual patterns of stream chemistry at the Hubbard Brook Experimental Forest, New Hampshire. Environmental Science & Technology 37:1575-1580.
  • Groffman, P.M., J. P. Hardy, S. Nolan, C.T. Driscoll and T.J. Fahey. 1999. Snow depth, soil frost and nutrient loss in a northern hardwood forest. Hydrological Processes 13:2275-2286.
  • Groffman, P.M., C.T. Driscoll, T.J. Fahey, J.P. Hardy, R.D. Fitzhugh and G.L. Tierney. 2001. Colder soils in a warmer world: A snow manipulation study in a northern hardwood forest ecosystem. Biogeochemistry 56:135-150.
  • Groffman, P.M., C.T. Driscoll, T.J. Fahey, J.P. Hardy, R.D. Fitzhugh and G.L. Tierney. 2001. Effects of mild winter freezing on soil nitrogen and carbon dynamics in a northern hardwood forest. Biogeochemistry 56:191-213.
  • Groffman, P.M., C.T. Driscoll, G.E. Likens, T.J. Fahey, R.T. Holmes, C. Eagar and J.D. Aber. 2004. Nor gloom of night: A new conceptual model for the Hubbard Brook ecosystem study. BioScience 54:139-148.
  • Groffman, P.M., J.P Hardy, C.T. Drisoll and T.J. Fahey. 2006. Snow depth, soil freezing and trace gas fluxes in a northern hardwood forest. Global Change Biology 12:1748-1760.
  • Groffman, P.M., J.P Hardy, C.T. Drisoll and T.J. Fahey. Snow depth, soil freezing and trace gas fluxes in a northern hardwood forest. Submitted to Global Change Biology.
  • Hardy, J.P., R. Jordan, P. Groffman, S. Nolan, C. Driscoll and T. Fahey. 1999. Snow depth and soil frost modeling in a northern hardwood forest. 55th Eastern Snow Conference Proceedings, Fredericton, New Brunswick., p. 211-214.
  • Hardy, J.P., P.M. Groffman, R.D. Fitzhugh, K.S. Henry, T.A. Welman, J.D. Demers, T.J. Fahey, C.T. Driscoll, G.L. Tierney and S. Nolan. 2001. Snow depth, soil frost and water dynamics in a northern hardwood forest. Biogeochemistry 56:151-174.
  • Judd, K.E., G.E. Likens and P.M. Groffman. High nitrate retention during winter in soils of the Hubbard Brook Experimental Forest. Ecosystems. In press.
  • Nielsen, C.B., P.M. Groffman, S.P. Hamburg, C.T. Driscoll, T.J. Fahey and J.P. Hardy. 2001. Freezing effects on carbon and nitrogen cycling in soils from a northern hardwood forest. Soil Science Society of America Journal 65:1723-1730.
  • Steinweg, J.M., M.C. Fisk, B. McAlexander, P.M. Groffman and J. P. Hardy. Effects of soil freezing on soil particle size distributions and organic matter mineralization in a northern hardwood forest. Submitted to Soil Biology and Biochemistry.
  • Tierney, G.L., T.J. Fahey, P.M. Groffman, J.P. Hardy, R.D. Fitzhugh and C.T. Driscoll. 2001. Soil freezing alters fine root dynamics in a northern hardwood forest. Biogeochemistry 56:175-190.
  • Tierney, G.L., T.J. Fahey, P.M. Groffman, J. P. Hardy, R.D. Fitzhugh, C.T. Driscoll and J. B. Yavitt. 2003. Environmental control of fine root dynamics in a northern hardwood forest. Global Change Biology 9:670-679.

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