J.P. Hardy

Snow depth, soil freezing and nitrogen cycling in a northern hardwood forest landscape
Groffman, Peter M., J.P. Hardy, S. Fashu-Kanu, Charles T. Driscoll, N. L. Cleavitt, Timothy J. Fahey, and Melany C. Fisk. 2011. “Snow Depth, Soil Freezing and Nitrogen Cycling in a Northern Hardwood Forest Landscape”. Biogeochemistry 102: 223-38. doi:10.1007/s10533-10010-19436-10533.
Climate Variation and Soil Carbon and Nitrogen Cycling Processes in a Northern Hardwood Forest
Groffman, Peter M., J.P. Hardy, Melany C. Fisk, Timothy J. Fahey, and Charles T. Driscoll. 2009. “Climate Variation and Soil Carbon and Nitrogen Cycling Processes in a Northern Hardwood Forest”. Ecosystems 12: 927-43. doi:10.1007/s10021-009-9268-y.
Effects of soil freezing on fine roots in a northern hardwood forest
Cleavitt, N. L., Timothy J. Fahey, Peter M. Groffman, J.P. Hardy, K.S. Henry, and Charles T. Driscoll. 2008. “Effects of Soil Freezing on Fine Roots in a Northern Hardwood Forest”. Can. J. For. Res. 38: 82-91.
Experimental snowpack reduction alters organic matter and net N mineralization potential of soil macroaggregates in a northern hardwood forest
Steinweg, J. M., Melany C. Fisk, B. McAlexander, Peter M. Groffman, and J.P. Hardy. 2008. “Experimental Snowpack Reduction Alters Organic Matter and Net N Mineralization Potential of Soil Macroaggregates in a Northern Hardwood Forest”. Biology and Fertility of Soils 45: 1-10.
Snow depth, soil freezing and trace gas fluxes in a northern hardwood forest
Groffman, Peter M., J.P. Hardy, Charles T. Driscoll, and Timothy J. Fahey. 2006. “Snow Depth, Soil Freezing and Trace Gas Fluxes in a Northern Hardwood Forest”. Global Change Biol. 12: 1748-60. http://www.caryinstitute.org/reprints/Groffman_et_al_2006_Snow_Depth_Global_Change_Biology.pdf.
Soil freezing and the acid-base chemistry of soil solutions in a northern hardwood forest
Fitzhugh, Ross D., Charles T. Driscoll, Peter M. Groffman, G.L. Tierney, Timothy J. Fahey, and J.P. Hardy. 2003. “Soil Freezing and the Acid-Base Chemistry of Soil Solutions in a Northern Hardwood Forest”. Soil Sci. Soc. Am. J. 67: 1897-1908.
Role of soil freezing events in interannual patterns of stream chemistry at the Hubbard Brook Experimental Forest, New Hampshire
Fitzhugh, Ross D., Gene E. Likens, Charles T. Driscoll, Myron J. Mitchell, Peter M. Groffman, Timothy J. Fahey, and J.P. Hardy. 2003. “Role of Soil Freezing Events in Interannual Patterns of Stream Chemistry at the Hubbard Brook Experimental Forest, New Hampshire”. Environ. Sci. Technol. 37: 1575-80.
Environmental control of fine root dynamics in a northern hardwood forest
Tierney, G.L., Timothy J. Fahey, Peter M. Groffman, J.P. Hardy, Ross D. Fitzhugh, Charles T. Driscoll, and Joseph B. Yavitt. 2003. “Environmental Control of Fine Root Dynamics in a Northern Hardwood Forest”. Global Change Biol. 9: 670-79.
Snow depth manipulation and its influence on soil frost and water dynamics in a northern hardwood forest
Hardy, J.P., Peter M. Groffman, Ross D. Fitzhugh, K.S. Henry, T.A. Welman, J.D. Demers, Timothy J. Fahey, Charles T. Driscoll, G.L. Tierney, and S.S. Nolan. 2001. “Snow Depth Manipulation and Its Influence on Soil Frost and Water Dynamics in a Northern Hardwood Forest”. Biogeochemistry 56: 151-74.
Soil freezing alters fine root dynamics in a northern hardwood forest
Tierney, G.L., Timothy J. Fahey, Peter M. Groffman, J.P. Hardy, Ross D. Fitzhugh, and Charles T. Driscoll. 2001. “Soil Freezing Alters Fine Root Dynamics in a Northern Hardwood Forest”. Biogeochemistry 56: 175-90.