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Sonia Wharton

Research Interests

Boundary layer meteorology, wind energy, renewable energy policy, land-atmosphere fluxes, global carbon cycle.

Honors and Awards

• Scholar, National Science Foundation Debating Science Program: Climate Change, University of Montana, Missoula, 2007.
• Scholar, Advanced Study Program Summer Colloquium at the National Center for Atmospheric Research, “Regional Biogeochemistry: Needs and Methodologies,” Boulder, Colorado, 2007.

Peer-Reviewed Publications

Yi C., D. Ricciuto, X. Xu, L. Runze, M. Nilsson, …S. Wharton, et al. “Climate Control of Terrestrial Carbon Exchange Across Biomes and Continents,” Nature, in review.

Gea-Izquierdo, G., Y. Bergeron, H. Margolis, A. Makela, T.A. Black, A. Dunn, J. Hadley, K.T. Paw U, M. Falk, S. Wharton, et al. “Slowness in Photosynthesis Response to Temperature Increases with Decreasing Annual Temperatures in Evergreen Conifer Forests,” Global Change Biology, in review.

Xiao, J.-F., Q. Zhuang, B.E. Law, J. Chen, D. Baldocchi, D.R. Cook, R. Oren, A.D. Richardson, S. Wharton, et al. “A Continuous Measure of Gross Primary Production for the Conterminous U.S. Derived from MODIS and AmeriFlux Data,” Remote Sensing of Environment, in press (2009).

Wharton, S., M. Falk, M. Schroeder and K.T. Paw U. “Stand-Level Gas-Exchange Responses to Seasonal Drought in Very Young Versus Old Douglas-fir Forests of the Pacific Northwest, USA,” Tree Physiology 29, 959-974 (2009).

van Gorsel, E., N. Delpierre, R. Leuning, T.A. Black, J.W. Munger, S. Wofsy, M. Aubinet, C. Feigenwinter, …S. Wharton. “Estimating Nocturnal Ecosystem Respiration from the Vertical Flux and Change in Storage of CO2,” Agricultural and Forest Meteorology 149, 1919-1930 (2009).

Wharton, S., L. Chasmer, M. Falk, and K.T. Paw U. “Strong Links Between Teleconnections and Canopy CO2 Exchange Found at a Pacific Northwest Old-Growth Forest,” Global Change Biology 15, 2187-2205 (2009).

Wharton, S., M. Schroeder, K.T. Paw U, M. Falk, and K. Bible. “Turbulence Considerations for Comparing Ecosystem Exchange over Old-Growth and Clear-Cut Stands for Limited Fetch and Complex Canopy Flow Conditions,” Agricultural and Forest Meteorology 149, 1477-1490 (2009).

Turner, D.P., W.D. Ritts, S. Wharton, C. Thomas, R. Monson, T.A. Black, and M. Falk. “Assessing FPAR Source and Parameter Optimization Scheme in Application of a Diagnostic Carbon Flux Model,” Remote Sensing of Environment 113, 1529-1539 (2009).

Xiao, J.-F., Q. Zhuang, D. Baldocchi, B. Law, A. Richardson, J. Chen, R. Oren, G. Starr, A. Noormets, S. Ma, S. Verma, Wharton, S., et al., “Estimation of Net Ecosystem Carbon Exchange for the Conterminous United States by Combining MODIS and AmeriFlux Data,” Agricultural and Forest Meteorology 148, 1827-1847 (2008).

Falk, M., S. Wharton, M. Schroeder, S.L. Ustin, and K.T. Paw U. “Flux Partitioning in an Old-Growth Forest: Seasonal and Interannual Dynamics,” Tree Physiology 28, 509-520 (2008).

Cheng, Y.-B., S. Wharton, S.L. Ustin, P.J Zarco-Tejada, M. Falk, and K.T. Paw U. “Relationships Between MODIS Resolution Imaging Spectroradiometer Water Indices and Tower Flux Data in an Old-Growth Conifer Forest,” Journal of Applied Remote Sensing 1, 1-26 (2007).

Falk, M., K.T. Paw U, S. Wharton, and M. Schroeder. “Is Soil Respiration a Major Contributor to the Carbon Budget Within a Pacific Northwest Old-Growth Forest?” Agricultural and Forest Meteorology 135, 269-283 (2005).

Paw U, K.T., S. Wharton, J. Kochendorfer. “Evapotranspiration: Measuring and Modeling,” Acta Hort. (ISHS) 664, 537-554 (2004).