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Tom O'Halloran

Ph.D. Environmental Sciences, University of Virginia (2008); M.S. Environmental Sciences, University of Virginia (2004); B.A. Environmental Sciences, University of Virginia (2001)


Interest areas:  

I am interested in many of the physical and chemical processes comprising surface-atmosphere interactions, and particularly those involving forests. This includes water vapor and carbon dioxide exchange as well as the formation of biogenic aerosols from plant hydrocarbon emissions and their interactions with clouds.   I seek to quantify the ecosystem services provided by vegetation during these climate-regulating processes.

Founded and runs the Land-Atmosphere Research Station at Sweet Briar College.
 

Selected Publications
  • O’Halloran, T.L., Fuentes, J.D., Tao, W.-K., and Li, X.  Sensitivity of convection to observed variation in aerosol size and composition at a rural site in the southeastern United States.  Journal of Atmospheric Chemistry. 2015.  10.1007/s10874-015-9300-x.

  • O’Halloran, T.L.,  Joerger, V., Law, B.E., Acker, S., Kertis, J.  Post-fire influences of snag attrition on albedo and radiative forcing.  Geophysical Research Letters.  2014.  DOI: 10.1002/2014GL062024

  • Kathilankal, J. C., O’Halloran, T. L., Schmidt, A., Hanson, C. V., and Law, B. E.: Development of a semi-parametric PAR (Photosynthetically Active Radiation) partitioning model for the contiguous United States, version 1.0., Geosci. Model Dev.,7, 2477-2484, doi:10.5194/gmd-7-2477-2014, 2014.

  • Rivera-Monroy, V. H., E. Castaneda-Moya, J. G. Barr, V. Engel, J. D. Fuentes, T. G. Troxler, R. Twilley, S. Bouillon, T. J. Smith, and T. L.O’Halloran.  “Current methods to evaluate net primary production and carbon budgets in mangrove forests.”  In Methods in Biogeochemistry of Wetlands. 2013. ISBN-13: 978-0891189602.  R.D. DeLaune, K.R. Reddy, C.J. Richardson, and J.P. Megonigal, eds.

  • J. G. Barr, J. D. Fuentes, M. S. DeLonge, T. L. O’Halloran, D. Barr, and J. C. Zieman.  2013.  Influences of tidal energy advection on the surface energy balance in a mangrove forest.  Biogeosciences, 10, 501-511

  • O’Halloran, T.L., Law, B.E., Wang, Z., Barr, J.G., Schaaf, C., Brown, M., Goulden, M.L., Fuentes, J.D., Göckede, M., Black, A., Engel, V.  2012.  Radiative forcing of natural forest disturbances.  Global Change Biology. 18, 555-565.

  • Goetz, S.J, Bond-Lamberty, B., Law, B., Hicke, J., McNulty, S., O’Halloran, T.L., Meddens, A.J.H., Pfeifer, E.M., Mildrexler, D., Kasischke, E.  2012.  Observations and assessment of forest carbon dynamics following disturbance in North America. Journal of Geophysical Research, Biogeosciences.  117, G02022. doi:10.1029/2011JG001733

  • Shuman, J.K., Shugart, H.H., O’Halloran, T.L.  2011.  Sensitivity of Siberian larch forests to climate change.  Global Change Biology.  17, 2370-2384.

  • Barr, J. G., V. Engel, J. D. Fuentes, J. C. Zieman, T. L. O’Halloran, T.L., J. Smith III, and G. H. Anderson. 2010. Controls on mangrove forest-atmosphere carbon dioxide exchanges in western Everglades National Park, J. Geophys. Res., 115, G02020, doi:10.1029/2009JG001186.

  • Anderson, R.G., Canadell, J.G.,  Randerson, J.T., Jackson, R.B., Hungate, B.A., Baldocchi, D.D., Ban-Weiss, G.A.,  Bonan, G.B., Caldeira, K., Cao, L., Diffenbaugh, N.S., Gurney, K.R., Kueppers, L.M., Law, B.E., Luyssaert, S., O’Halloran, T.L.   2010.  Biophysical considerations in forestry for climate protection.  Frontiers in Ecology and the Environment. doi:10.1890/090179

  • O’Halloran, T.L., Fuentes, J.D., Collins, D.R., Cleveland, M.J., and Keene, W.C.  Influence of air mass source region on nanoparticle events and hygroscopicity in central Virginia, U.S.  2009.  Atmospheric Environment, 43, 3586-3595.

  • Keene, W.C., Long, M.S., Pszenny, A.A.P., Sander, R., Maben, J.R., Wall, A.J., O’Halloran, T.L., Kerkweg, A., Fischer, E.V., and Schrems, O.  2009.  Latitudinal variation in the multiphase chemical processing of inorganic halogens and related species over the eastern North and South Atlantic Oceans, Atmospheric Chemistry and Physics, 9, 7361-7385.

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