Timothy J. Griffis Associate Professor

2007

Barr A.G., Black T.A., Hogg E.H., Griffis T.J., Morgenstern K., Kljun N., Thede A., and Nesic Z. (2007) Climatic Controls on the Carbon and Water Budgets of a Boreal Aspen Forest, 1994-2003, Global Change Biology, doi: 10.1111/j.1365-2486.2006.01220.x

Griffis T.J., Zhang J., Baker J.M., Kljun N., and Billmark K. (2007)Determining carbon isotope signatures from micrometeorological measurements: Implications for studying biosphere-atmosphere exchange processes, Boundary-Layer Meteorology, 123(2): 201-218, doi: 10.1007/s10546-006-9143-8

Baker J.M., Ochsner T.E., Veterea R.T., and Griffis, T.J. (2007) Tillage and soil carbon sequestration â€“ What do we really know?, Agriculture, Ecosystems, and Environment, 118: 1-5

1998-2006

Gaumont-Guay D., Black T.A., Griffis T.J., Barr A.G., Jassal R.S., and Nesic Z. (2006) Interpreting the dependence of soil respiration on soil temperature and water content in a boreal aspen stand, Agricultural and Forest Meteorology, 140: 220-235

Gaumont-Guay D., Black T.A., Griffis T.J., Barr A.G., Morgenstern K., Jassal R.S., and Nesic Z. (2006) Influence of temperature and drought on seasonal and Interannual variations of soil, bole and ecosystem respiration in a boreal aspen stand, Agricultural and Forest Meteorology, 140: 203-219

Kljun N., Black T.A., Griffis T.J., Barr A.G., Gaumont-Guay D., Morgenstern K., McCaughey J.H, Nesic Z. (2006) Response of Net Ecosystem Productivity of Three Boreal Forest Stands to Drought, Ecosystems, 9: 1128-1144.

Zhang J., Griffis T.J., and Baker J.M. (2006) Using Continuous Stable Isotope Measurements to Partition Net Ecosystem CO2 Exchange, Plant, Cell and Environment, 29, 483-496.

Griffis T.J., Lee X., Baker J.M., Sargent S., and King J.Y. (2005) Feasibility of Quantifying Ecosystem-Atmosphere C18O16O Exchange using Laser Spectroscopy and the Flux-Gradient Method, Agricultural and Forest Meteorology, 135, 44-60.

Griffis T.J., Baker J.M., and Zhang J. (2005) Seasonal Dynamics and Partitioning of Isotopic CO2 Exchange in a C3/C4 Managed Ecosystem, Agricultural and Forest Meteorology, 132, 1-19.

Baker J.M. and T.J. Griffis (2005) Examining Strategies to Improve the Carbon Balance of Corn/Soybean Agriculture using Eddy Covariance and Mass Balance Techniques Agricultural and Forest Meteorology, 128, 163-177

Griffis T.J., Black T.A., Gaumont-Guay D., Drewitt G., Morgenstern K., Nesic Z., Barr A.(2004) Seasonal Variation and Partitioning of Ecosystem Respiration in a Southern Boreal Aspen Forest, Agricultural and Forest Meteorology, 125, 207-223

Griffis T.J., Baker J.M., Sargent S., Tanner B., and Zhang J. (2004) Measuring Field-Scale Isotopic CO2 Fluxes with Tunable Diode Laser Absorption Spectroscopy and Micrometeorological Techniques. Agricultural and Forest Meteorology, 124, 15-29

Morgenstern K., Black T.A., Humphreys E.R., Griffis T.J., Cai T., Drewitt G.B., Gaumont-Guay D., Jork E.-M., and Z. Nesic (2004) Sensitivity and Uncertainty of the Carbon Balance of a Pacific Northwest Douglas-fir Forest during an El Nino/La Nina Cycle. Agricultural and Forest Meteorology, 123, 201-219

Arain M.A., Black T.A., Barr A.G., Griffis T.J., Morgenstern K., and Z. Nesic (2003) Year-round Observations of the Energy and Water Vapour Fluxes above a Boreal Black Spruce Forest. Hyrological Processes, 17: 3581-3600

Rouse W.R., Eaton A.E., Petrone R.M., Boudreau D., Marsh P., and T.J., Griffis (2003) Energy Balance of Upland and Lowland Tundra in the Lower Mackenzie River Basin. Journal of Hydrometeorology, 2003, 4: 67-679

Griffis T.J., Black T.A., Morgenstern K., Barr A.G., Nesic Z., Drewitt G.B., Gaumont-Guay D., and H. McCaughey (2003) Ecophysiological Controls on the Carbon Balances of Three Southern Boreal Forests. Agricultural and Forest Meteorology, 117: 53-71

Barr A.G., Griffis T.J., Black T.A., Lee X., Staebler R.M., Fuentes J.D., Chen Z., and K. Morgenstern (2002) Comparing the Carbon Balances of Boreal and Temperate Deciduous Forest Stands. Canadian Journal of Forest Research, 32: 813-822

Rouse W.R., Bello R.L., D?Souza A., Griffis T.J., and P.M., Lafleur P.M. (2002) Estimating the Annual Carbon Budget for Fen and Forest in a Wetland at Arctic Treeline. Arctic, 55: 229-237

Drewitt G.B., Black T.A., Nesic Z., Humphreys E.R., Jork E.-M., Swanson R., Ethier G.J., Griffis T.J., and K. Morgenstern (2002) Measuring Forest Floor CO2 fluxes in a Douglas-fir Forest. Agricultural and Forest Meteorology, 110: 299-317

Lafleur P.M., Griffis T.J., and W.R., Rouse W.R. (2001) Inter-annual Variability in Net Ecosystem CO2 Exchange at the Arctic Treeline. Arctic, Antarctic, and Alpine Research, 33: 149-157

Griffis T.J. and W.R., Rouse (2001) Modelling the Interannual Variability in Net Ecosystem CO2 Exchange at a Subarctic Fen. Global Change Biology, 7: 511-530

Petrone R.M., Griffis T.J., and W.R., Rouse (2000) Synoptic and Surface Climatology Interactions in the Central Canadian Arctic: Normal and El Nino Seasons. Physical Geography, 20: 368-384

Rouse W.R., Lafleur P.M., and T.J., Griffis (2000) Controls on Energy and Carbon Fluxes from High Latitude Terrestrial Surfaces. Physical Geography, 20: 345-367

Griffis T.J., Rouse W.R., and J.M., Waddington (2000) Interannual Variability in Net Ecosystem CO2 Exchange at a Subarctic Fen. Global Biogeochemical Cycles, 14: 1109-1121

Griffis T.J., Rouse W.R., and J.M., Waddington (2000) Scaling Net Ecosystem CO2 Exchange from the Community to Landscape-Level at a Subarctic Sedge Fen. Global Change Biology, 6: 459-473

Schreader C.P., Rouse W.R., Griffis T.J., Boudreau L.D., and P.D., Blanken (1998) Carbon Dioxide Fluxes in a Northern Fen during a Hot-Dry Summer. Global Biogeochemical Cycles, 12: 729-740

Waddington J.M., Griffis T.J., and W.R., Rouse (1998) Northern Canadian Wetlands: Net Ecosystem CO2 Exchange and Climate Change. Climatic Change, 40: 267-275