Tyson Lee . Swetnam
Active + Alumnus
INVESTIGATOR, PostDoc
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Catalina-Jemez Post-doctoral research associate, University of Arizona
Univ. of Arizona - University of Arizona
PhD, Natural Resources emphasis Watershed Management, University of Arizona, 2013
Ecosystem disturbance and recruitment dynamics related to climate variability and the related effects on critical zone processes.
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CZO Publications
Papers/Books
2019
Allometric relationships between primary size measures and sapwood area for six common tree species in snow-dependent ecosystems in the Southwest United States. Mitra B., Papuga S.A., Alexander M.R., Swetnam T.L., Abramson N. (2019): Journal of Forestry Research (online)
2018
Which way do you lean? Using slope aspect variations to understand Critical Zone processes and feedbacks. Pelletier J. D., Barron‐Gafford G. A., Gutiérrez‐Jurado H., Hinckley E.‐L. S., Istanbulluoglu E., McGuire L. A., Niu G.‐Y., Poulos M. J., Rasmussen C., Richardson P., Swetnam T. L., and Tucker G. E. (2018): Earth Surface Processes and Landforms, 43(5): 1133–1154 Cross-CZO
2018
A net ecosystem carbon budget for snow dominated forested headwater catchments: linking water and carbon fluxes to critical zone carbon storage. Perdrial J., Brooks P.D., Swetnam T., Lohse K.A., Rasmussen C., Litvak M., Harpold A.A., Zapata-Rios X., Broxton P., Mitra B., Meixner M., Condon K., Huckle D., Stielstra C., Vázquez-Ortega A., Lybrand R., Holleran M., Orem C., Pelletier J., Chorover J. (2018): Biogeochemistry 138{3): 225–243 Cross-CZO
2017
Asymmetry of weathering-limited hillslopes: the importance of diurnal covariation in solar insolation and temperature. Pelletier J.D. and Swetnam T.L. (2017): Earth Surface Processes and Landforms 42(9): 1408–1418
2017
Topographically driven differences in energy and water constrain climatic control on forest carbon sequestration. Swetnam T.L., Brooks P.D., Barnard H.R., Harpold A.A., and Gallo E.L. (2017): Ecosphere 8(4): e01797 Cross-CZO
2017
Topographically driven differences in energy and water constrain climatic control on forest carbon sequestration . Swetnam, TL, Brooks, PD, Barnard, HR, Harpold, AA, and Gallo, EL (2017): Ecosphere 8 (4): e01797. Cross-CZO
2016
Tree Morphologic Plasticity Explains Deviation from Metabolic Scaling Theory in Semi-Arid Conifer Forests, Southwestern USA. Swetnam T.L., O’Connor C.D., Lynch A.M. (2016): PLoS ONE 11(7): e0157582
2015
Laser vision: lidar as a transformative tool to advance critical zone science. Harpold, A. A., Marshall, J. A., Lyon, S. W., Barnhart, T. B., Fisher, B. A., Donovan, M., Brubaker, K. M., Crosby, C. J., Glenn, N. F., Glennie, C. L., Kirchner, P. B., Lam, N., Mankoff, K. D., McCreight, J. L., Molotch, N. P., Musselman, K. N., Pelletier, J., Russo, T., Sangireddy, H., Sjöberg, Y., Swetnam, T., and West, N. (2015): Hydrol. Earth Syst. Sci., 19, 2881-2897 Cross-CZO National
2015
Climate and landscape as drivers of carbon storage in forested headwater catchments: Insights from a complete C budget. Perdrial, J., Brooks, P., Swetnam, T., Lohse, K., Rasmussen, C., Litvak, M., Harpold, A., Zapata-Rios, X., Broxton, P., Mitra, B., Meixner, T., Condon, K., Huckle, D., Stielstra, C., Vazquez-Ortega, A., Lybrand, R., Holleran, M., Orem, C., Pelletier, J., and J. Chorover (2015): Global Change Biology
2015
Quantifying Topographic and Vegetation Effects on the Transfer of Energy and Mass to the Critical Zone. Rasmussen C., Pelletier J.D., Troch P.A., Swetnam T.L., and Chorover J. (2015): Vadose Zone Journal 14 (11)
2015
Discriminating disturbance from natural variation with LiDAR in semi-arid forests in the southwestern USA. Swetnam T.L., Lynch A.M., Falk D.A., Yool S.R., and Guertin D.P. (2015): Ecosphere 6(6): art97
2014
LiDAR-derived snowpack data sets from mixed conifer forests across the Western United States. Harpold, A.A., Q. Guo, N. Molotch, P. D. Brooks, R. Bales, J.C. Fernandez-Diaz, K.N. Musselman, and T.L. Swetnam, P. Kirchner, M. Meadows, J. Flanagan, R. Lucas (2014): Water Resources Research 50(3): 2749-2755 Cross-CZO
2014
Application of Metabolic Scaling Theory to reduce error in local maxima tree segmentation from aerial LiDAR. Swetnam T.L. and Falk D.A. (2014): Forest Ecology and Management 323: 158–167
2014
Estimating individual tree mid- and understory rank-size distributions from airborne laser scanning in semi-arid forests. Swetnam T.L., Falk D.A., Lynch A.M., and Yool S.R. (2014): Forest Ecology and Management 330: 271-282
2013
Coevolution of nonlinear trends in vegetation, soils, and topography with elevation and slope aspect: A case study in the sky islands of southern Arizona. Pelletier J.D., Barron-Gafford G.A., Breshears D.D., Brooks P.D., Chorover J., Durcik M., Harman C.J., Huxman T.E., Lohse K.A., Lybrand R., Meixner T., McIntosh J.C., Papuga S.A., Rasmussen C., Schaap M., Swetnam T.L., and Troch P.A. (2013): Journal of Geophysical Research: Earth Surface 118(2): 741-758
Papers and books that explicitly acknowledge a CZO grant are highlighted in PALE ORANGE.
Other CZO Publications
2018
Multi-disciplinary Insights in to the Effects of Vegetation Change on Hydrologic Partitioning (Invited). Brooks, P.D., Barnard, H.R., Biederman, J.A., Harpold, A., Singha, K., Swetnam, T.L., Tai, X. (2018): Abstract H21A-06 presented at 2018 AGU Fall Meeting, Washington, D.C., 10-14 Dec Cross-CZO
2015
Scaling Critical Zone analysis tasks from desktop to the cloud utilizing contemporary distributed computing and data management approaches: A case study for project based learning of Cyberinfrastructure concepts. Pelletier J., Swetnam T., Merchant N., Callahan N., Lyons E. (2015): Abstract IN43B-1730 presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.
2015
Topographic Control of Aboveground Carbon Pools Across an Environmental Gradient, Eastern Slope of the Rocky Mountains, Colorado. Swetnam T., Brooks P., Gallo E., Barnard H., Harpold A. (2015): Abstract H21C-1382 presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec. Cross-CZO
2015
Examining the Impacts of Wildfire on Throughfall and Stemflow Chemistry and Flux at Plot and Catchment Scales. White A., Swetnam T., McIntosh J., Meixner T., Brooks P., Chorover J. (2015): Abstract H13Q-07 presented at 2015 Fall Meeting, AGU, San Francisco, CA, 14-18 Dec.
2014
Discriminating Natural Variation from Legacies of Disturbance in Semi-Arid Forests, Southwestern USA. Swetnam T., Lynch A., Falk D., Yool S., Guertin D. (2014): Abstract GC33D-0543 presented at 2014 Fall Meeting, AGU, San Francisco, CA, 15-19 Dec.
2014
Understory growth dynamics following high severity burn in a mixed-conifer forest. Wilcox D., Papuga S.A. and Swetnam T. (2014): Poster presented at EarthWeek, University of Arizona, Tucson, 8-11 April 2014
2013
Do fire disturbances account for missing C in snow dominated headwater catchments in NM?. Perdrial J.N., Brooks P.D., Swetnam T., Lohse K.A., Rasmussen C., Harpold A.A., Litvak M.E., Broxton P.D., Mitra B., Condon K., Huckle D.M., Vazquez A., Lybrand R.A., Holleran M., Orem C.A., Meixner T., Chorover J. (2013): Abstract B33E-0531 presented at 2013 Fall Meeting, AGU, San Francisco, CA, 9-13 Dec. Cross-CZO
2013
Cordilleran Forest Scaling Dynamics And Disturbance Regimes Quantified By Aerial LiDAR. Swetnam T.L. (2013): Disertation in Natural Resources and the Environment. University of Arizona, Tucson, Arizona, 277 pp
2011
Estimating Catchment-Scale Snowpack Variability in Complex Forested Terrain, Valles Caldera National Preserve, NM. A.A. Harpold, P.D. Brooks, J.A. Biederman, T. Swetnam (2011): AGU Fall Meeting Presentations Abstract C23F-05.
2011
Distinguishing grass from ground using LiDAR: Techniques and applications. Pelletier, J.D., Swetnam, T., Papuga, S.A., Nelson, K., Brooks, P.D., Harpold, A.A., Chorover , J. (2011): AGU Fall Meeting Presentations Abstract EP51E-05.
2010
Coevolution of topography, hydrology, soil development, and vegetation in sky islands of the southwestern United States. Pelletier, J.D., Rasmussen, C., Breshears, D.D., Brooks, P.D., Chorover, J., Huxman, T.E., Lohse, K.A., Meixner, T., McIntosh, J.C., Kurc, S.A., Schaap, M.G., Swetnam, T., Troch, P.A. (2010): AGU Fall Meeting Abstract EP42A-03.
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News
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Events
Dissertation Defense
Cordilleran Forest Scaling Dynamics and Disturbance Regimes Quantified by Aerial LiDAR
Bannister Tree Ring Building Room 110.
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