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Recent Presentations

                                 

LEAD Group Meeting ( Wednesday 2:00pm) Presentations

                                                            2009

Wednesday, Sept 30: Cedric David

Wednesday, Oct 7: no meeting

Wednesday, Oct 14: Xiaoyan Jiang

Wednesday, Oct 21, Benjamin Wagman

Wednesday, Oct 28, Xiaodan Guan

Wednesday, Nov 4, Mingjie Shi

Wednesday, Nov 11, Bryan Hong

Wednesday, Nov 18, Yang Xue

                                       Conference Presentations

                                                            2009

Yang, Z.-L., G.-Y. Niu, and X. Jiang, 2009: A Framework for Multi-Physics Representation of the Coupled Land-Atmosphere System for Predicting Extreme Weather Events, oral presentation at the 13th AMS Conference on Mesoscale Processes, Salt Lake City, UT,  17–20 August, 2009. [The presentation is downloadable here; the abstract can be viewed at http://ams.confex.com/ams/13Meso/techprogram/paper_155265.htm ]

                                                             2008

Chen, J., C. Wilson, B. Tapley, Z.-L. Yang, and G. Niu, 2008: The 2005 Amazon drought as measured by GRACE and estimated by climate models, poster presented to the American Geophysical Union 2008 Fall Meeting, San Francisco, CA, 15–19 December, 2008.

David, C.H., D.R. Maidment, and Z.-L. Yang, 2008: Routing application for parallel computation of discharge, poster presented to the American Geophysical Union 2008 Fall Meeting, San Francisco, CA, 15–19 December, 2008.

Jiang, X.-Y., Z.-L. Yang, and G.-Y. Niu, 2008: How do vegetation growth and water table dynamics affect warm season precipitation? poster presented at the Climate Prediction Program for the Americas (CPPA) 2008 PI Meeting, Silver Spring, MD, 29 September –1 October 2008.

Niu, G.-Y. and Z.-L. Yang: A new framework conducive to ensemble weather and climate predictions: Multi-physics in the Noah LSM, poster presented at the Climate Prediction Program for the Americas (CPPA) 2008 PI Meeting, Silver Spring, MD, 29 September –1 October 2008.

Niu, G. and Z.-L. Yang, 2008: Modeling the impacts of groundwater on soil moisture. poster withdrawn from the American Geophysical Union 2008 Fall Meeting, San Francisco, CA, 15–19 December, 2008.

Rosero, E., L. E. Gulden, Z.-L. Yang, G.-Y. Niu, 2008: A new, metric-based method for identifying good land-surface models, poster presented at the Climate Prediction Program for the Americas (CPPA) 2008 PI Meeting, Silver Spring, MD, 29 September –1 October 2008.

Su, H., Z.-L. Yang, and G.-Y. Niu, 2008: Mapping North American snow water equivalent by assimilating GRACE and MODIS into CLM, poster presented at the Climate Prediction Program for the Americas (CPPA) 2008 PI Meeting, Silver Spring, MD, 29 September –1 October 2008.

Yang, Z.-L., 2008: Impacts of climate change and land cover change on biogenic volatile organic compounds (BVOCs) emissions in Texas, Future Air Quality with Projected Global Changes: A Progress Review Meeting Presented by EPA Global Change Grantees, Research Triangle Park, NC, 27–28 October, 2008. [http://es.epa.gov/ncer/publications/workshop/10_27_2008/presentations.html]

Yang, Z.-L., 2008: Improving hydrological representation in the Community Noah Land Surface Model for intra-seasonal to interannual prediction studies, Climate Prediction Program for the Americas (CPPA) 2008 PI Meeting, Silver Spring, MD, 29 September –1 October 2008. [http://www.eol.ucar.edu/projects/cppa/meetings/200809/]

2007

Gulden, L.E., Rodell, M, Niu, G.-Y., Z.-L. Yang, P.J. Yeh, and J.S. Famiglietti, 2007: Simulation of regional changes in terrestrial water storage using two land-surface models, oral presentation to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Gulden, L.E., E. Rosero, Z.-L. Yang, C. S. Jackson, and M. Rodell, 2007: Why is an LSM augmented with an aquifer model less sensitive to parameter choices than a standard LSM? Poster presentation to the AGU Joint Assembly, Acapulco, Mexico, 22–25 May 2007.

Jiang, X.-Y., Niu, G.-Y., and Z.-L. Yang, 2007: The Sensitivity of North American Warm Season Precipitation to Vegetation and Groundwater Dynamics, oral presentation to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Knebl, M.R., and Z.-L. Yang, 2007: Assessing the capability of a regional-scale weather model to simulate extreme precipitation patterns and flooding: Central Texas, USA, poster presented to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Lo, J. C. F. and Z.-L. Yang, 2007: Evaluation of the WRF model for regional climate downscaling driven by CCSM3 at T85 resolution, oral presentation to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Rosero, E., L.E. Gulden, Z.-L. Yang, G.-Y. Niu, F. Chen, K. Mitchell, and D. Gochis, 2007: Do improved hydrological representations in the Community Noah Land Surface Model yield a more robust model? Oral presentation to the AGU Joint Assembly, Acapulco, Mexico, 22–25 May 2007.

Su, H., Z.-L. Yang and Niu, G.-Y., 2007: Assimilating MODIS Snow Cover Data for Global Snow Water Equivalent Estimation Using Ensemble Kalman Filter and An Improved Observational Operator, poster presented to the Ninth conference on American Meteorological Society, San Antonio, Texas, 1418 January 2007.

Niu, G.-Y. and Z.-L. Yang, 2007: Terrestrial Water Storage Change from 1948–2004 as Modeled by a Land Surface Model, oral presentation to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Wang, X.-M., W. Li and Z.-L. Yang, 2007: Impacts of Biogenic and Anthropogenic Emissions on Photochemical Oxidants over the Pearl River Delta Region, China, oral presentation to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Wang, X.-M., W. Li, L. Yang, R. Deng, and Z.-L. Yang, 2007: A Numerical Study of Influences of Land-Use Change on Chemical Species over the Pearl River Delta Region, China, oral presentation to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Yang, Z.-L. and G.-Y. Niu, 2007: Modeling Regional-to-Global–Scale Terrestrial Water Storage Dynamics, oral presentation to the Ninth conference on American Meteorological Society, San Antonio, Texas, 14–18 January 2007.

Yang, Z.-L., X. Jiang, and G.-Y. Niu, 2007: Progress in modeling land surface processes in semi-arid regions: Using central USA as a case study, oral presentation to the International Workshop on Semi-arid Land Surface–Atmosphere Interaction, Lanzhou, China, 9–11 August 2007.

2006

Gulden, L.E. and Z.-L. Yang, 2006: Incorporating plant-species variation in biogenic emission rates into regional weather and climate models, poster presented to the Eighth Conference on Atmospheric Chemistry, American Meteorological Society, Atlanta, Georgia, 29 January–2 February 2006.

Gulden, L.E., Rodell, M, Z.-L. Yang, Niu, G.-Y., P.J. Yeh, and J.S. Famiglietti, 2006: Improving land-surface model hydrology: Is an explicit aquifer model better than a deeper soil profile? oral talk presented to American Geophysical Union 2006 Fall Meeting, San Francisco, CA, 11–15 December, 2006.

Niu, G.-Y. and Z.-L. Yang, 2006: The Effects of Frozen Soil on Snowmelt Runoff and Soil Water Storage, poster presented to the 18th Conference on Climate Variability and Change and the 20th Conference on Hydrology, American Meteorological Society, Atlanta, Georgia, 29 January–2 February 2006.

Niu, G.-Y and Z.-L. Yang, 2006: Assessing a land surface model's improvements with GRACE estimates, 2006 Western Pacific Geophysics Meeting, Beijing, China, 24-27 July 2006.

Niu, G.-Y and Z.-L. Yang, R.E. Dickinson, L.E. Gulden, and H. Su, 2006: A Simple Groundwater Model (SIMGM) for use in Climate Models: The Impacts of Groundwater Dynamics on Soil Moisture and Evapotranspiration, 2006 Western Pacific Geophysics Meeting, Beijing, China, 24–27 July 2006.

Song, J.H., L. E. Gulden, Z.-L. Yang, and D. T. Allen, 2006: The response of biogenic emissions to land-cover change and climate change, EPA Science Forum 2006 "Your Health, Your Environment, Your Future", Ronald Reagan Building and International Trade Center, Washington, DC. 16–18 May, 2006.

 Strassberg, G, Scanlon, B, G. Niu, and Z.-L. Yang, 2006: Comparison of Seasonal Water Storage Variations with Terrestrial Water Storage from the Gravity Recovery and Climate Experiment (GRACE) Over the High Plains Aquifer, oral talk presented to American Geophysical Union 2006 Fall Meeting, San Francisco, CA, 11–15 December, 2006.

Yang, Z.-L. and L.E. Gulden, 2006: Issues in the Simulated Biogenic Emissions at a Regional Scale, 2006 Western Pacific Geophysics Meeting, Beijing, China, 24–27 July 2006.

Yang, Z.-L. and G.-Y. Niu, 2006: Reducing the wintertime warm bias in NCAR GCMs through the use of a new snow cover fraction scheme, oral talk presented to the 18th Conference on Climate Variability and Change and the 20th Conference on Hydrology, American Meteorological Society, Atlanta, Georgia, 29 January–2 February 2006.

Yang, Z.-L., H. Su and G.-Y. Niu, 2006: Comparison of Two Approaches to Modeling Subgrid Snow Cover Variability, 2006 Western Pacific Geophysics Meeting, Beijing, China, 24–27 July 2006.

Zhang, X.-P., G.-Y. Niu and Z.-L. Yang, 2006: Incorporating Stable Water Isotopes in the Community Land Model, 2006 Western Pacific Geophysics Meeting, Beijing, China, 24–27 July 2006.

 

                       Seminar, Colloquia and Workshop Talks

Lindsey Gulden, 2009: How Reliable are Environmental Models in Analogous Settings? Geological Sciences Technical  Sessions, University of Texas at Austin, 24 March, 2009. [Ph.D. Student Technical Session Talk]

Rosero, E., 2009: Evaluating Enhanced Hydrologic Representations in Noah LSM over transition zones, Department of Geological Sciences Technical Sessions, University of Texas at Austin, 30 April, 2009. [PhD Student Technical Session Talk]

Su, H., 2009: Large Scale Snow Data Assimilation with Ensemble Kalman Filter and Smoother, Department of Geological Sciences Technical Sessions, University of Texas at Austin, 27 January, 2009. [PhD Student Technical Session Talk]

Yang, Z.-L., G.-Y. Niu, and E. Rosero, 2009: Multi-physics options; model sensitivity and parameters interaction, presented at the NCAR CCSM Land Model Working Group and Biogeochemistry Working Group Meetings, Boulder, Colorado, USA, 30 March–1 April, 2009.

Yang, Z.-L., 2009: Projected climate change in Texas and its coastal environment, presented at the NASA Interdisciplinary Science project team meeting, Corpus Christi, Texas, USA, 19 March, 2009. 

Yang, Z.-L., 2009: Why Is Land at the Central Stage for Weather and Climate? Seminar at Department of Agronomy, Purdue University, 12 January, 2009. (invited)

Yang, Z.-L., 2008: Why Is Land at the Central Stage for Weather and Climate? Seminar at the Climate Forum, Jackson School of Geological Sciences, University of Texas at Austin, 6 October, 2008.

Yang, Z.-L., 2008: New Directions in Land Surface Research, Seminar at Shanghai Meteorological Bureau, Shanghai, China, 18 July, 2008 (invited).

Yang, Z.-L., 2008: Assessing Three Different Methodologies in Climate Dynamical Downscaling, Seminar at Shanghai Meteorological Bureau, Shanghai, China, 16 July, 2008 (invited).

Yang, Z.-L., 2008: Modeling Land–Atmosphere Interaction in the North American Monsoon Region, Seminar at Shanghai Meteorological Bureau, Shanghai, China, 16 July, 2008 (invited).

Yang, Z.-L., 2008: Biogenic Emissions and Air quality, Seminar at Shanghai Meteorological Bureau, Shanghai, China, 15 July, 2008 (invited).

Yang, Z.-L., 2008: Flood Modeling, Seminar at Shanghai Meteorological Bureau, Shanghai, China, 15 July, 2008 (invited).

Yang, Z.-L., 2008: Environmental Impacts of Global Climate Change: An Integrated Framework and Some Case Studies, Seminar at Shanghai Normal University, Shanghai, China, 14 July, 2008 (invited).

Yang, Z.-L., 2008: Biogenic Emissions, Air quality, Climate change, and Regional Climate Modeling, Seminar at Fudan University, Shanghai, China, 3 July, 2008 (invited).

Yang, Z.-L., 2008: Research Highlights in The Land Environment and Atmospheric Dynamics (LEAD) Group, Seminar at Zhangjiajie Meteorological Bureau, Zhangjiajie, Hunan Province, China, 27 June, 2008 (invited).

Yang, Z.-L., 2008: New Directions in Land Surface Research, Seminar at the National Climate Center, China Meteorological Administration Beijing, China, 11 June, 2008 (invited).

Yang, Z.-L., 2008: Climate System Sciences at the Jackson School, Seminar at the START Regional Center for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, 10 June, 2008 (invited).

Yang, Z.-L., 2008: New Directions in Land Surface Research, Seminar at the START Regional Center for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, 10 June, 2008 (invited).

Yang, Z.-L., 2008: Research highlights in the Land Environment and Atmospheric Dynamics (LEAD) Group, presented to the UCAR PACUR meeting, Austin, Texas, 15 April, 2008 (invited).

Yang, Z.-L., 2008: An Integrated Simulation Framework for Continental Water Dynamics Modeling and Forecasting, presented at the NSF Community Hydrological Modeling Development panel meeting, Washington, D.C., March 26–27, 2008 (invited).

Yang, Z.-L., G.-Y. Niu, and H. Su, 2008: Modeling Snow in the Noah LSM, presented at the NCAR Colorado Headwaters Workshop panel meeting, Boulder, Colorado, USA, March 19–20, 2008 (invited).

Yang, Z.-L., L.E. Gulden, and E. Rosero, 2008: How can we use sophisticated evaluation methods to guide CLM development, presented at the NCAR Land Model Working Group Meeting, Boulder, Colorado, USA, 20–22 February, 2008.

Yang, Z.-L., G.-Y. Niu, and H. Su, 2008: Estimating continental-scale SWE using CLM, EnKF, multi-sensor satellite products, presented at the NCAR Land Model Working Group Meeting, Boulder, Colorado, USA, 20–22 February, 2008.

Yang, Z.-L., 2007: Challenges in Downscaling Global Climate Information for Regional Water Resources and Air Quality Studies, presented at The User and the GEOSS Architecture XVI “Regional Decisions for Climate Change” OGC Plenary – Boulder, Colorado, USA, 21–22 September, 2007 (invited keynote).

Yang, Z.-L., 2007: Geology Meets Meteorology: Interaction of the Land Surface and the Atmosphere, Department of Geological Sciences Technical Talk, The University of Texas at Austin, 6 September, 2007.

Yang, Z.-L., 2007: Assessing the Skill of Climate Dynamic Downscaling, presented at the START Regional Research Center for Temperate East Asia (REC-TEA), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, 7 August, 2007 (invited).

Yang, Z.-L., 2007: One Group, Two Models, presented at the China Meteorological Administration Institute of Desert Meteorology, Urumqi, China, 15 August, 2007 (invited).

Yang, Z.-L., 2007: Biogenic Emissions, Air Quality, and Climate Change, presented at the State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, 20 August, 2007 (invited).

Yang, Z.-L., 2007: One Group, Two Models, presented at the International Center for Climate and Environment Sciences (ICCES), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, 21 August, 2007 (invited).

Yang, Z.-L., 2007: Assimilating MODIS Snow Cover Using EnKF and CLM, presented at the National Satellite Meteorological Center, China Meteorological Administration, Beijing, China, 23 August, 2007 (invited).

Yang, Z.-L., 2007: Review of Land Surface Research, presented at the National Climate Center, China Meteorological Administration, Beijing, China, 23 August, 2007 (invited).

Yang, Z.-L., 2007: Noah development at UT-Austin, presented at the Unified Noah LSM development and improvement workshop at NCAR, Boulder, Colorado, 25–26 July, 2007.

Yang, Z.-L. and G.-Y. Niu, 2007: Modeling irrigation in CLM, Joint Session Land, Chemistry, Biochemistry Working Groups, Boulder, Colorado, 26–28 February, 2007.

Niu, G.-Y. and Z.-L. Yang, 2007: Snow cover fraction and snow interception, CCSM Land Working Group Meeting, Colorado, 26–28 February, 2007.

Yang, Z.-L., 2006: Developing a Regional Environmental Prediction System for Central and Eastern Texas. University of Texas at San Antonio Department of Earth and Environmental Science Seminar. 27 October, 2006 (invited).

Yang, Z.-L., 2006: Modeling Regional-to-Global-Scale Land–Atmosphere Interaction, Seminar at the National Climate Center, China Meteorological Administration, Beijing, China, 2 August, 2006 (invited).

Yang, Z.-L., 2006: Progress in Land Surface Modeling, Seminar at the National Satellite Meteorological Center, China Meteorological Administration, Beijing, China, 1 August, 2006 (invited).

Yang, Z.-L., 2006: Land Surface Hydrology and Climate Modeling Program at The University of Texas at Austin, Seminar at the START Regional Center for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China, 26 July, 2006.

 Yang, Z.-L., 2006: Modeling Regional-to-Global-Scale Land–Atmosphere Interaction, Texas A&M University Department of Atmospheric Sciences Seminar. 21 February, 2006 (invited).

Yang, Z.-L., G.-Y. Niu and R.E. Dickinson, 2006: Modeling Runoff in CLM, NCAR CCSM Land Model Working Group Meeting Presentation, 27 March, 2006 (invited).

Yang, Z.-L., H. Su and G.-Y. Niu, 2006: Modeling Frozen Soil and Subgrid Snow Cover in CLM, NCAR CCSM Land Model Working Group Meeting Presentation, 28 March, 2006 (invited).