Elizabeth ClarkPrevious ResearchImproved Drought Monitoring in Western U.S.We incorporated groundwater into the VIC model in a computationally efficient way. The idea was to employ this ground/surface water model in the Westwide forecast domain to improve model estimates of soil moisture and to allow for drought characterization that includes groundwater levels. Related Links
Related PublicationsRosenberg, E.A., E.A. Clark, A.C. Steinemann, and D.P. Lettenmaier, 2013: On the contribution of groundwater storage to interannual streamflow anomalies in the Colorado River basin, Hydrol. Earth Syst. Sci., 17, 1491, doi:10.5194/hess-17-1475-2013. Related PresentationsClark, E.A., and D.P. Lettenmaier, Steve Burges Retirement Symposium, 23-25 March 2010, The impact of groundwater-land surface interactions on hydrologic persistence in macroscale modeling Clark, E., UBC-UW Hydrology Symposium (Vancouver, BC), Sept 2009, Macro-scale hydrology, does shallow groundwater make a difference? Fire and Precipitation InteractionsThis is an extension of Jordan Lanini's Masters thesis. In this work we modified vegetation and soil properties in the Distributed Hydrology Soil Vegetation Model (DHSVM) to reflect the changes in these values in response to fire. The impacts of these modifications (to LAI, root cohesion, infiltration capacity) on streamflow and sediment was then evaluated under varying fire severities and weather sequences. Related PublicationsLanini, J.L., E.A. Clark, and D.P. Lettenmaier, 2009: Effects of fire-precipitation timing and regime on post-fire sediment delivery in Pacific Northwest forests, Geophys. Res. Lett., 36, L01402, doi:10.1029/2008GL034588. Drought CharacterizationContinuation of work done by HyoSeok Park to extend United States drought analysis to 1915 using Old Co-op meteorological forcing data. We created severity-area-duration (SAD) curves from this data, similar to depth-area-duration curves used in precipitation analysis, based on soil moisture and runoff percentile values. Related PresentationsAndreadis,K.M., E.A. Clark*, D.P. Lettenmaier, AMS (San Diego), January 2005, Twentieth Century Drought in the Conterminous United States: An Application of Severity-Area-Duration Analysis Andreadis, K.M., E.A. Clark*, and D.P. Lettenmaier AMS (San Diego), January 2005, 20th Century Drought in the Conterminous United States Clark,E.A., K.M. Andreadis, A.W. Wood, D.P. Lettenmaier, NCEP Climate Diagnostics and Prediction Workshop, Oct. 20, 2004, Severity-Area-Duration Analysis of 20th Century Drought in the Conterminous United States Clark, E.A., Fall UBC/UW Hydrology Symposium, Oct. 1, 2004, United States Drought in the 20th Century: Application of Severity-Area-Duration Analysis Clark, E.A., Climate Impacts Group Seminar, Oct. 19, 2004, Severity-Area-Duration Analysis of 20th Century Drought in the Conterminous United States Related PublicationsAndreadis, K.M., E.A. Clark, A.W. Wood, A.F. Hamlet, and D.P. Lettenmaier, 2005: 20th Century drought in the Conterminous United States, J. Hydrometoer., 6(6): 985-1001, doi:10.1175/JHM450.1. Global PrecipitationLed by Jennifer Adam, now at Washington State University, this effort used streamflow measurements at gauging stations to correct global precipitation products for orographic effects. Related PresentationsAdam, J.C., D.P. Lettenmaier, E. Clark, and E.F. Wood, AMS, 2005, Correction of Global Precipitation Products for Systematic Bias and Orographic Effects Adam, J.C., D.P. Lettenmaier, E.A. Clark, and E.F. Wood, GEWEX, 2005, Correction of Global Precipitation Products for Orographic Effects Adam, J.C., D.P. Lettenmaier, E.A. Clark, and E.F. Woodm Vancouver Conference on Precip., 2004, Correction of Global Precipitation Products for Orographic Effects Adam, J.C., D.P. Lettenmaier, E.A. Clark, and E.F. Wood, AMS, 2004, Correction of Global Precipitation Products for Orographic Effects Related PublicationsAdam, J.C., E.A. Clark, D.P. Lettenmaier, and E.F. Wood, 2006: Correction of Global Precipitation Products for Orographic Effects, J. Clim., 19(1), 15-38, doi:10.1175/JCLI3604.1. OtherPresentationsVIC Lake modelGao, H., T. Bohn, M. Vliet, E.A. Clark, and D. P. Lettenmaier, AGU Fall Meeting, San Francisco, CA, Dec 2009, Long term simulations of global lakes using the Variable Infiltration Capacity model . PublicationsNorther Eurasia Earth Science PartnershipGroisman, P. Ya., E.A. Clark, V.M. Kattsov, D.P. Lettenmaier, I.N. Sokolik, V.B. Aizen, O. Cartus, J. Chen, S. Conard, J. K atzenberger, O. Krankina, J. Kukkonen, T. Machida, S. Maksyutov, D. Ojima, J. Qi, V.E. Romanovsky, M. Santoro, C.C. Schmullius , A.I. Shiklomanov, K. Shimoyama, H.H. Shugart, J.K. Shuman, M.A. Sofiev, A.I. Sukhinin, C. Vorosmarty, D. Walker, and E.F. Wo od, 2009: The Northern Eurasia Earth Science Partnership: An example of science applied to societal needs, BAMS, 90(5), 671-688, doi:10.1175/2008BAMS2556.1. |
Last updated 03/05/2015 by Elizabeth Clark
Department of Geography
UCLA Hydrology Group
1255 Bunche Hall
Box 951524
University of California, Los Angeles
Los Angeles, CA 90095