Timothy E. Link Associate Professor of Forest Hydrology E-mail: tlink@uidaho.edu Web: www.cnr.uidaho.edu/watershed  Office: Room 203E, CNR Phone: (208) 885-9465 UI Water Resources

Education & Experience:

• BA, Hampshire College, Amherst, MA. Geology, emphasis in Environmental Geochemistry, 1991
• MS, Oregon State University, Corvallis, OR. Geosciences, emphasis in Snow Hydrology
• PhD, Oregon State University, Corvallis, OR. Environmental Sciences, emphasis in Forest Hydrology and Water Resources
• Geochemist, Exponent, Inc. (formerly PTI Environmental Services), Boulder, CO. 1991-1995
• Graduate Research Assistant, Geosciences, Bioengineering, and Atmospheric Sciences Departments, Oregon State University, Corvallis, OR. 1995-2001
• Assistant Professor, Department of Forest Resources, University of Idaho, 2001-present

Specialty Areas of Interest:

• Forest Hydrology
• Snow Hydrology
• Vegetation Atmosphere Interactions
• Hydrologic Modeling

Current University of Idaho Courses:

• Watershed Science and Management - UGrad
• Watershed Science and Management (Online version) - UGrad
• Hydrologic Measurement Techniques - UGrad/Grad
• Physical Hydrology - Grad
• Hydrologic Effects of Forest Management - Grad 

Selected Publications:

• Marks, D., M. Reba, J. Pomeroy, T. Link, A. Winstral, G. Flerchinger and K. Elder.  (in press).  Comparing simulated and measured sensible and latent heat fluxes over snow under a pine canopy to improve an energy balance snowmelt model.  Journal of Hydrometeorology.

• Pomeroy, J. P., Rowlands, A., Hardy, J. P., Link. T. E., Marks, D., Essery, R., Sicart, J. E., and Ellis, C.  (in press). Spatial variability of shortwave irradiance for snowmelt in forests.  Journal of Hydrometeorology.

• Reba, M., D. Marks, T. Link, J. Pomeroy. (in press). Inter-annual comparison of measured turbulent fluxes over snow at a wind-sheltered and wind-exposed site using eddy covariance.  In:  IAHS Press, Center for Ecology and Hydrology, Wallingford, Oxfordshire.

• Essery, R., J. Pomeroy, C. Ellis, and T. Link. 2008.  Modelling longwave radiation to snow beneath forest canopies using hemispherical photography or linear regression.  Hydrological Processes. v. 22, 2788-2800. doi:  10.1002/hyp.6930.

• Essery, R., P. Bunting, J. Hardy, T. Link, D. Marks, R. Melloh, J. Pomeroy, A. Rowlands, and N. Rutter. 2008. Radiative transfer modelling of a coniferous canopy characterized by airborne remote sensing.  Journal of Hydrometeorology, v. 9, 228-241.

• Koeniger, P., J. A. Hubbart, T. E. Link, and J. D. Marshall.  2008. Isotopic variation of snow cover and streamflow in response to changes in canopy structure in a snow-dominated mountain catchment.  Hydrological Processes. v. 22, n. 4, 557-566.

• Hubbart, J. A., T. E. Link, J.A. Gravelle, and W. J. Elliot. 2007.  Timber harvest impacts on hydrologic yield in the continental/maritime hydroclimatic region of the U. S.  Forest Science, v. 53, n. 2, 169-180.

• Gravelle, J. A., and T. E. Link.  2007.  Influence of timber harvesting on water temperatures in a northern Idaho watershed. Forest Science, V. 53, n. 2, 189-205.

• Hubbart, J. A., K. L. Kavanagh, R. Pangle, T. E. Link, A. Schotzko.  2007.  Cold air drainage and modeled nocturnal leaf water potential in complex forested terrain. Tree Physiology, v. 27, 631-639.

• Pomeroy, J. W., D. S. Bewley, R. L. H. Essery, N. R. Hedstrom, T. E. Link, R. J. Granger, J. E. Sicart, C. R. Ellis, J. R. Janowicz, 2006.  Shrub tundra snowmelt.  Hydrological Processes. v. 20, 923-941.

• Covert, S. A., P. R. Robichaud, W. J. Elliot, and T. E. Link. 2005. Evaluation of runoff prediction from WEPP-based erosion models for harvested and burned forest watersheds. Transactions of the American Society of Agricultural Engineers. v. 48, n. 3, 1091-1100.

• Pypker, T. G., B. J. Bond, T. E. Link, D. Marks, M. H. Unsworth. 2005.  The importance of canopy structure in controlling the interception loss and spatial distribution of rainfall:  Examples from young and old-growth Douglas-fir forests.  Agricultural and Forest Meteorology, v. 130, 113-129.

• Hubbart, J. A., T. E. Link, and C. Campbell, and D. Cobos.  2005. An evaluation of a low-cost air temperature measurement system. Hydrological Processes, v. 19, 1517-1523.
• Link, T. E., D. Marks, and J. P. Hardy.  (2005).  A Deterministic method to characterize canopy radiative transfer properties.  Hydrological Processes, v. 18, pp. 3583-3594.
• Hardy, J.P., R. Melloh, D. Marks, G. Koenig, A. Winstral, J. Pomeroy, and T.E. Link. (2004). Solar radiation transmission through conifer canopies. Agricultural and Forest Meteorology, v. 126, 257-270.
• Sicart, J. E., J. W. Pomeroy, R. L. H. Essery, J. P. Hardy, T. E. Link, D. Marks. (2004).  A sensitivity study of daytime net radiation during snowmelt to forest canopy and atmospheric conditions.  Journal of Hydrometeorology, v. 5, 774-784.
• Keim, R. F., A. Skaugset, T. E. Link, and A Iroumé.  2004.  A stochastic model of temporal throughfall.  Hydrology and Earth Systems Science, v. 8, n. 1, pp. 23-34.
• Link, T. E., M. H. Unsworth and D. Marks. 2004.  The dynamics of rainfall interception by a seasonal temperate rainforest.  Agricultural and Forest Meteorology, v. 124, pp. 171-191.
• Link, T. E., G. N. Flerchinger, M. H. Unsworth, and D. Marks.  2004.  Simulation of water and energy fluxes in an old-growth seasonal temperate rainforest using the Simultaneous Heat and Water (SHAW) model.  Journal of Hydrometeorology, v. 5, n. 3, pp. 443-457.
• Unsworth, M. H., N. Phillips, T. E. Link, B. Bond, M. Falk, M. Harmon, T. Hinckley, D. Marks, and K-T. Paw U. 2004. Components and controls of water flux in an old growth Douglas fir/western hemlock ecosystem. Ecosystems, v. 7, pp. 468-481.
• Link, T. E., C. Pearson, C. Jones, B. Fitt, C. Davis and A. Wolf. 2003. Status of water resources in the United States of America, 2000. in:  Water Resources of North America, Asit K. Biswas (ed.), Springer-Verlag, New York, 380 pp.  ISBN: 3-540-00284-7.
• Marks, D., T. E. Link, A. Winstral, and D. Garen.  2001.  Simulating snowmelt processes during rain-on-snow over a semi-arid mountain basin.  Annals of Glaciology, v. 32, 195-202.
• Link, T. E. and D. Marks.  1999.  Point simulation of seasonal snowcover dynamics beneath boreal forest canopies.  Journal of Geophysical Research, v. 104, n. D22, pp. 27,841-27,857.
• Link, T. E. and D. Marks.  1999.  Distributed simulation of snowcover mass- and energy-balance in the boreal forest.  Hydrological Processes, v. 13, n. 14/15, pp. 2439-2452.
• Marks, D., J. Domingo, D. Susong, T. E. Link, and D. Garen.  1999.  A spatially distributed energy balance snowmelt model for application in mountain basins.  Hydrological Processes, v. 13, n. 12/13, pp. 1935-1959.
• Marks, D., J. Kimball, D. Tingey, and T. E. Link.  1998.  The sensitivity of snowmelt processes to climate conditions and forest cover during rain-on-snow:  A case study of the 1996 Pacific Northwest flood.  Hydrological Processes, v. 12, n. 10/11, pp. 1569-1588.

Recent and Current Research:

• Investigations of the components and controls of intercepted water in old-growth coniferous forests
• Measurements and modeling of water dynamics in forested systems
• Spatially distributed modeling of snowcover processes beneath boreal forest canopies
• Investigations of snowcover energy balance dynamics during extreme flood events in forested environments and semi-arid rangelands
• Sensitivity of forest water and energy dynamics to climate change and altered canopy conditions