Dr. David Scott Mackay

(Reading, Writing, Speaking)

Tri-Council EcoResearch Doctoral Research Program (Canada): Distributed knowledge for regional scale ecological simulation modelling, $54,000, Sep 1, 1993 to Aug 31, 1996.
Natural Sciences and Engineering Research Council of Canada (NSERC): Knowledge-Based Land Information Manager and Simulator, $51,000, Sep 1, 1990 to Aug 31, 1993.
United States Department of Agriculture (USDA)Hatch: Distributed parameter non-point source pollution modeling in nested watersheds: Guide to implementing legislated surface, $90,000, Oct 1, 2000 to Sep 30, 2004.
National Aeronautics and Space Administration (NASA): Remote sensing teaching and research in support of creating a vision for the environment as a whole, $423,969, Oct 1, 1997 to Sep 30, 1999.
United States Department of Agriculture (USDA) McIntire-Stennis: Coupling forest ecosystem process-based models to groundwater models: tools to guide natural resource management in northern Wisconsin, $200,000, Oct 1, 1997 to Sep 30, 2001.
Environmental Protection Agency (EPA): Effects of parameter spatial aggregation on agricultural non-point source pollution models, $14,982, May 1, 1999 to Aug 31, 2000.
University of Wisconsin - Madison Graduate School: Context elicitation to support the semantic integration of environmental models, $15,000, Jul 1, 2000 to Jun 30, 2001.
National Aeronautics and Space Administration (NASA): Long-term water flux changes from converting old-growth pine forests to hardwood forests in northern Wisconsin, $359,117, Jul 1, 1999 to Jun 30, 2002.
University of Wisconsin - Madison Graduate School: Long-term water flux changes from converting old-growth pine forests to hardwood forests in northern Wisconsin, $20,000 (awarded; no, Jul 1, 1999 to Jun 30, 2000.
University of Wisconsin - Madison Graduate School: Scaling spatial simulation of forest disturbance on watershed processes, $21,000, Jul 1, 1997 to Jun 30, 1998.
Environmental Protection Agency (EPA): Measuring and modeling the source, transport and bioavailability of phosphorus in agricultural watersheds, $749,307, Dec 1, 2002 to Nov 30, 2005.
National Institutes of Climate Change Research, Department of Energy: Improving prediction of climate change impacts on wetland-rich landscapes: Testing model mechanisms with flux data assimilation at multiple sites, 2007 to .
National Science Foundation (NSF): Collaborative Research: Restricted Plasticity of Canopy Stomatal Conductance: Basis for Improved Models of Canopy Transpiration, 2004 to 2008.

• Trawinsky, P.R. (2008) Meteorologically conditioned time-series predictions of West Nile Virus vector mosquitoes, Vector-Borne and Zoonotic Diseases, doi:10.1089/vbz.2007, In Press
• Adelman, J.D. (2008) Using temporal patterns in vapor pressure deficit to explain spatial autocorrelation dynamics in tree transpiration, Tree Physiology, 28, 647-658
• Loranty, M.M. (2008) Environmental drivers of spatial variation in whole-tree transpiration in an aspen-dominated upland-to-wetland forest gradient, Water Resources Research, 44 (W02441), doi:10.1029/2007WR00
• Ewers, B.E., Mackay, D.S., Tang, J., Bolstad, P., Samanta, S. (2008) Intercomparison of Sugar Maple (Acer saccharum Marsh.) stand transpiration responses to environmental conditions from the Western Great Lakes region of the United States, Agricultural and Forest Meteorology, 148, 231-246
• Mackay, D.S. (2007) Environmental drivers of evapotranspiration in a shrub wetland and an upland forest in northern Wisconsin, Water Resources Research, 43 (W03442), doi:10.1029/2006WR00
• Ewers, B.E. (2007) Interannual consistency in canopy stomatal conductance control of leaf water potential across seven tree species, Tree Physiology, 27, 11-24
• Samanta, S. (2007) Bayesian analysis for uncertainty estimation of a canopy transpiration model, Water Resources Research, 43 (W04424), doi:10.1029/2006WR00
• Ahl, D.E., Gower, S.T., Mackay, D.S., Burrows, S.N., Norman, J.M., Diak, G. (2005) The effects of aggregated land cover data on estimating NPP in northern Wisconsin, Remote Sensing of Environment, 97, 1-14
• Ahl, D.E., Gower, S.T., Mackay, D.S., Burrows, S.N., Norman, J.M., Diak, G.R. (2004) Heterogeneity of light use efficiency in a northern Wisconsin forest: implications for modeling net primary production with remote sensing, Remote Sensing of Environment, 93, 168-178
• Chen, E., Mackay, D.S. (2004) Effects of combining non-spatial simulation units and explicit models of sediment delivery on an agricultural nonpoint source pollution model, Journal of Hydrology, 295, 211-224
• Mackay, D.S., S. Samanta, R.R. Nemani, L.E. Band (15 Jun 2003) Multi-objective parameter estimation for simulating canopy transpiration in forested watersheds, Journal of Hydrology, 277 (3-4), 230-247
• Mackay, D.S. (May 2003) 'Watershed management: Regional to global perspective', In Young, R.A. and R.L. Giese (Eds.). Forest Science, Wiley, New York, New York, Wiley, 337-361 pages (bookchapter)
• Mackay, D.S., D.E. Ahl, B.E. Ewers, S. Samanta, S.T. Gower, and S.N. Burrows (February 2003) Physiological tradeoffs in the parameterization of a model of canopy transpiration, Advances in Water Resources, 26 (2), 179-194
• Samanta, S., and D.S. Mackay (31 Jan 2003) Flexible automated parameterization of hydrologic models using fuzzy logic, Water Resources Research, 39 (1), doi:10.1029/2002WR00
• Mackay, D.S., S. Samanta, D.E. Ahl, B.E. Ewers, S.T. Gower, S.N. Burrows (31 Jan 2003) Automated parameterization of land surface process models using fuzzy logic, Transactions in GIS, 7 (1), 139-153
• Burrow, S.N. (2003) Spatial variability of aboveground net primary productivity for a forested landscape in northern Wisconsin, Canadian Journal of Forest Research, 22, 2007-2018
• Mackay, D.S., D.E. Ahl, B.E. Ewers, S.T. Gower, S.N. Burrows, S. Samanta, K.J. Davis (December 2002) Effects of aggregated classifications of forest composition on estimates of evapotranspiration in a northern Wisconsin forest, Global Change Biology, 8 (12), 1253-1265
• Burrows, S.N., S.T. Gower, M.K. Clayton, D.S. Mackay, D.E. Ahl, J.M. Norman, and G. Diak (November 2002) Application of geostatistics to characterize LAI for flux towers to landscapes, Ecosystems, 5 (7), 667-679
• Ewers, B.E., D.S. Mackay, S.T. Gower, D.E. Ahl, S.N. Burrows, S. Samanta (9 Jul 2002) Tree species effects on stand transpiration in northern Wisconsin, Water Resources Research, 38 (7), 10.1029/2001WR000830
• Mackay, D.S. (December 2001) Evaluation of hydrologic equilibrium in a mountainous watershed: Incorporating forest canopy spatial adjustment to soil biogeochemical processes, Advances in Water Resources, 24 (9-10), 1211-1227
• Zhu, A. and D.S. Mackay (July 2001) Effects of spatial detail of soil information on watershed modeling, Journal of Hydrology, 248, 54-77
• FitzHugh,T.W. and D.S. Mackay (June 2001) Impact of subwatershed partitioning on modeled source- and transport-limited sediment yields in an agricultural nonpoint source pollution model, Journal of Soil and Water Conservation, 56 (2), 137-143
• Mackay, D.S. (June 2001) 'Short- and Long-Term Feedbacks on Vegetation Water Use: Unifying Evidence from Observations and Modeling', Invited paper presented at American Geophysical Union Spring Meeting
• Mackay, D.S. and V.B. Robinson (March 2000) A multiple criteria decision support system for testing integrated environmental models, International Journal of Fuzzy Sets and Systems, 113 (1), 53-67
• Liang, C. and D.S. Mackay (2000) A general model of watershed extraction and representation using globally optimal flow paths and up-slope contributing areas, International Journal of Geographical Information Science, 14 (4), 337-358
• FitzHugh, T.W. and D.S. Mackay (2000) Effects of parameter spatial aggregation on an agricultural nonpoint source pollution model, Journal of Hydrology, 236, 35-53
• Mackay, D.S. (2000) 'Integrated vegetation-hydrologic response to environmental change: Computational tools for scaling forest water use', In Bentley et al. (Eds.). Computational Methods in Water Resources XIII, Balkema, Rotterdam, 1139-1146 pages
• Mackay, D.S. (1999) Semantic integration of environmental models for application to global information systems and decision-making, ACM SIGMOD Record, 28 (1), 13-19
• Mackay, D.S. (May 1998) 'The role of spatial patterns of dynamic vegetation on catchment hydrologic response', Invited paper presented at American Geophysical Union Spring Meeting
• Mackay, D.S., and L.E. Band (1998) Extraction and representation of nested catchment areas from digital elevation models in lake-dominated topography, Water Resources Research, 34 (4), 897-901
• Mackay, D.S. (1998) 'Characterization of Emergent Behavior in a Spatially Explicit Ecological Hydrology Model Under Fuzzy Logic', In Proceedings of GIS/LIS'98, American Society for Photogrammetry and Remote Sensing, Bethesda, MD., 424-435 pages
• Mackay, D.S. and L.E. Band (1997) Forest ecosystem processes at the watershed scale: dynamic coupling of distributed hydrology and canopy growth, Hydrological Processes, 11 (9), 1197-1217
• Liang, C. and D.S. Mackay (1997) 'Feature based optimization of flow directions and upslope areas in flat areas in grid digital elevation models', In Proceedings of GIS/LIS'97, American Society for Photogrammetry and Remote Sensing, Bethesda, MD., 45-52 pages
• Mackay, D.S. (1997) 'Coupling self-evaluating hydrological and ecological models of different spatial scales', In Proceedings of GIS/LIS'97, American Society for Photogrammetry and Remote Sensing, Bethesda, MD., 486-498 pages
• Robinson, V.B. and D.S. Mackay (1996) Semantic modeling for the integration of geographic information and regional hydroecological simulation management, Computers, Environment, and Urban Systems, 19 (5/6), 321-339
• Band, L.E., D.S. Mackay, I. Creed, R. Semkin, and D.S. Jeffries (1996) Ecosystem Processes at the Watershed Scale: Sensitivity to Potential Climate Change, Limnology and Oceanography, 41 (5), 928-938
• Robinson, V.B., D.S. Mackay (1994) 'On heterogeneous geographic information systems, architectures, spatial data models, transactions, and database languages', In Robinson, V.B. and H. Tom (Eds.). Towards SQL database extensions for geographic information systems, Silicon Press, Summit, NJ, 1-35 pages (bookchapter)
• Mackay, D.S., V.B. Robinson, L.E. Band (1994) 'A knowledge-based approach to the management of geographic information systems for simulation of forested ecosystems', In Michener, W.K., J.W. Brunt, and S.G. Stafford (Eds.). Environmental Information Management and Analysis: Ecosystem to Global Scales , Taylor & Francis, London, 511-534 pages (bookchapter)
• Mackay, D.S., V.B. Robinson, and L.E. Band (1993) An integrated knowledge-based systems for managing spatiotemporal ecological simulations, AI Applications, 7 (1), 29-36
• Mackay, D.S., V.B. Robinson, and L.E. Band (1992) Classification of higher order topographic objects on digital terrain data, Computers, Environment and Urban Systems, 16, 473-496