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Zaitao Pan, Ph.D.

Professor
Department of Earth and Atmospheric Sciences

Courses Taught

Understanding the Weather; Global Change; Physical Meteorology I; Physical Meteorology II; Numerical Prediction; Cloud Physics; Convection in the Atmosphere; Land-Surface Interaction

Education

Ph.D., Iowa State University, 1996
M.S., University of the Philippines, 1983
B.S., Nanjing University, 1978

Research Interests

Pan's research focuses on regional climate changes, mesoscale phenomena, land surface processes, and ecosystem modeling. Specifically, he is interested in:

  • Mesoscale weather and regional climate
  • Ecosystem response to climate change
  • Surface and boundary layer physics
  • Interdisciplinary research (geophysics and phytopathology)

Publications and Media Placements

Peer-Reviewed Journal Articles

Pan, Z., X.B. Yang, S. Pivonia, L. Xue, R. Pasken, and J. Roads, 2006. Long-term prediction of soybean rust entry into the continental United States, Plant Disease, 90, 840-848.

Pan, Z., M. Segal, and C. Graves, 2006: On the potential change in surface water vapor deposition over the continental United States due to increases in atmospheric greenhouse gases. J. Climate, 19, 1576-1585.

Pivonia, S., X.-B., Yang, and Z. Pan, 2005: Assessment of epidemic potential of soybean rust in the United States, Plant Disease, 89, 678-682.

Pan, Z., M. Segal, R.W. Arritt, and E.S. Takle, 2004: On the potential change in solar radiation over the US due to increase of atmospheric greenhouse gases, Renewable Energy, 29, 1923-1928.

Pan, Z., M. Segal, and R.W. Arritt, 2004: Role of topography in forcing low-level Jets in central U.S. during the 1993 flood - altered terrain simulations, Mon. Wea. Rev., 132, 396-403.

Pan, Z., R.W. Arritt, E.S. Takle, W.J. Gutowski, Jr., C.J. Anderson, and M. Segal, 2004: [http://www.eas.d220149.com/People/ZPan/GRL-wh.pdf] Altered hydrologic feedback in a warming climate introduces a "warming hole" Geophys. Res. Lett., 31, L17109, doi:10.1029/2004GL02528.

Jha, M, Z. Pan, E.S. Takle, and R. Gu, Impacts of climate change on stream flow in the upper Mississippi river basin: A regional climate model perspective, J. Geophys. Res., 109, D09105, doi:10.1029/2003JD003686, 2004.

Pan, Z., M. Segal, and R.W. Arritt, 2003: The role of the Rockies in low-Level jets, Bull., Amer. Soc., 84,1009-1010.

Anderson, C., R. Arritt, E. Takle, W. Gutowski, Z. Pan, and co-authors, Hydrological processes in regional climate model simulations on the central united states flood of June-July 1993, J. Hydrometeor, 4, 584-598, 2003.

Gutowski, W., F. Otieno, R. Arritt, E. Takle, and Z. Pan, Diagnosis and attribution of a seasonal precipitation deficit in a U.S. regional climate simulation, J. Hydrometeor.,5, 230-242, 2004.

Gutowski, W.J., S.G. Decker, R.A. Donavon, Z. Pan, R.W. Arritt, and E.S.Takle, Temporal-spatial scales of observed and simulated precipitation in central U.S. climate, J. Climate, 16, 3841-3847, 2003.

Pan, Z., R. Arritt, W. Gutowski, E. Takle, 2001: Soil moisture in regional climate models : simulation and projection. Geophys. Res. Lttr, 28, 2947-2950.

Pan, Z., R.Arritt, M., Segal, T.-C. Chen, and S.-P. Weng, 2000: Effects of quasi-stationary large-scale anomalies on mesoscale features associated with 1993 flood. J. Geophy. Res.,105, 29,551-29,564.

Pan, Z., M., Segal, R. Arritt, T.-C. Chen, and S.-P. Weng, 1999: A method for simulating effects of quasi-stationary wave anomalies on regional climate. J. Climate, 12,1336-1343.

Pan, Z., E. Takle, M. Segal, and R. Arritt, 1999: Simulation of potential impacts of man-made land use changes on U.S. summer climate under various synoptic regimes. J. Geophy. Res. 104, 6515-6528.

Pan, Z., E. Takle, W. Gutowski, and R. Turner, 1999: Long simulation of regional climate as a sequence of short segments. Mon. Wea. Rev., 127, 308-321.

Pan, Z., E. Takle, M. Segal, and R. Turner, 1996: Influences of model parameterization scheme on the response of rainfall to soil moisture in the Central United States. Mon. Wea. Rev. 124, 1786-1802.

Pan, Z., 1996: On surface versus atmospheric forcing in regional climate simulations. Ph.D dissertation, Iowa State University, Ames, Iowa.

Pan, Z., M. Segal, R. Turner, and E. Takle, 1995: Model simulation of impacts of transient surface wetness on summer rainfall in the United States Midwest during drought and flood years. Mon. Wea. Rev., 123, 1575-1581.

Brown, and T. Smonva, 1994: Comparative experiments with MAPS on different parameterization schemes for surface moisture flux and boundary-layer processes. Mon. Wea. Rev., 122, 449-470.

Pan, Z., Z.-S. Wang, and Z.-Y. Cai, 1994: A comparative study on effects of latent heat release in different heavy rainfall systems. J. Tropical Meteor., 10, 161-171 (in Chinese).

Pan, Z., 1990: Relative roles of initial meteorological fields and terrain height in mesoscale numerical rainfall forecast. Acta Meteorologica Sinica, 38(4) (in Chinese).

Pan, Z., and P.-Y. Wang, 1990: Numerical simulation of June 26-27 1986 heavy rainfall in Beijing-Tianjin-Hebei area. Quart. J. Applied Meteor. Acta, 1(3), 242-252 (in Chinese).

Pan, Z., P.-Y. Wang, B.-X. Xu, and R.-C. Ren, 1990: A simple method to improve geopotential height accuracy in numerical forecasts. J. Meteor., 17 1-7 (in Chinese).

Segal, M, Z. Pan, and R. Arritt., 2002.: On the effects of interaction between diurnal and large-scale forcing on summer extreme rainfall characteristics over the central U.S.. Mon Wea. Rev., 130, 1442-1450.

Segal, M., Z. Pan, R. Arritt, and E. Takle, 2001: On potential change over the U.S. due to increase of atmospheric greenhouse gases. Renewable Energy, 24,235-243.

Segal, M, Z. Pan, and W. Gutowski, 2000: Some conceptual and scaling evaluations of snowmelt events forced by warm soil. J. Hydrometeor., 1, 364-369.

Segal, Z. Pan, R. Turner, and E. Takle, 1998: On the potential impact of irrigated areas in North America on summer rainfall caused by large scale systems . J. Appl. Meteor., 37, 325-331, 1998.

Jha, M, Z. Pan, E.S. Takle, and R. Gu, Impacts of climate change on stream flow in the upper Mississippi river basin: A regional climate model perspective, J. Geophys. Res. 109, D09105, doi:10.1029/2003JD003686, 2004.

Gutowski, W. J., S. G. Decker, R. A. Donavon, Z. Pan, R. W. Arritt and E. S. Takle, 2003: Temporal-spatial scales of observed and simulated precipitation in central U.S. climate, J. Climate, 16, 3841-3847.

Anderson, C., R. Arritt, E. Takle, W. Gutowski, Z. Pan, and co-authors, Hydrological processes in regional climate model simulations on the central United States flood of June-July 1993, J. Hydrometeor, 2003, 584-598.

Gutowski, W., F. Otieno, R. Arritt, E. Takle, and Z. Pan, Diagnosis and attribution of a seasonal precipitation deficit in a U.S. regional climate simulation, J. Hydrometeor., 2003. (accepted)

Hay, L., R.Wilby, W. Gutowski, G. Leavesley, Z. Pan, R. Arritt, and E. Takle, 2002: Use of regional climate model output for hydrology simulations. J. Hydrometeor, 3, 571-590.

Kunkel, K.E., K. Andsager, X.-Z. Liang, R.W. Arritt, E.S. Takle, W.J. Gutowski, Jr., and Z. Pan, 2002: Observations and regional climate model simulations of extreme precipitation events and seasonal anomalies: a comparison. J. Hydrometeor., 3, 322-334.

Wei, H., M. Segal, W.J. Gutowski, Jr., Z. Pan, R.W. Arritt and W.A. Gallus, Jr., 2001: Sensitivity of simulated regional surface thermal fluxes during snowmelt to selection of the lowest model level height. J. Hydrometeor., 2, 395-405.

Gutowski, W.J., S.G. Decker, R.A. Donavon, Z. Pan, R.W. Arritt, and E.S.Takle, Temporal-spatial scales of observed and simulated precipitation in central U.S. climate. J. Climate, 16, 3841-3847, 2003.

Gutowski, W., F. Otieno, R. Arritt, E. Takle, and Z. Pan, Diagnosis and attribution of a seasonal precipitation deficit in a U.S. regional climate simulation, J. Hydrometeor.,5, 230-242, 2004.

Gutowski, W., R. Arritt, E. Takle, Z. Pan, and co-authors, 2001: Intercompare Regional Climate Simulations (PIRCS): Advancing the CLIVAR Agenda, Newsletter of the Climate Variability and Predictability, 5, 13-15.

Takle, E., W. Gutowski, R. Arritt, Z. Pan, and co-authors, 1999: Project to Intercompare Regional Climate Simulations (PIRCS): description and initial results. J. Geophys. Res., 104, 19,443-19,462.

Wilby, R., L. Hay, W. Gutowki, R. Arritt, E. Takle, Z. Pan, G., Leavesley, and M. Clark, Hydrologicalresponses to dynamically and statistically downscaled general circulation model, Geophys. Res. Let., 27, 1199-1202. 1999.

Wang, P.-Y., -T. Pan, B.-X. Xu, and R.-C. Ren, 1991: A quasi-operational meso-alpha model system run on PC/386's. Quart. J. Applied Meteor. Acta, 3(3) (in Chinese).

Cai, Z.-Y., Z.-S. Wang, and Z.-T. Pan, 1992: A numerical study on forecasting the Henan extraordinary rainfall event in August 1975. Adv. in Atmos. Sci.,9(1).

Xu, D.-H., R. Zhu, and Z. Pan, 1990: Studies on SO2emission standard and dispersion model in cities. China Envir. Sci., 10(3) (in Chinese).

Book Chapters

Takle, E.S., and Z. Pan,2005: Climate change and crop production: challenges to modeling future scenarios,: Climate Change and Global Food Security, Lal, R., N. Uphoff, B.A. Stewart, and D.O. Hansen, Eds. Boca Raton, Fl. CRC Press. P. 375-395.

Other Publications

Pan, Z., Del Ponte, E., Xue, L., Li, X., Andrade, D., Pasken, R., and Yang, X. B. 2005. Soybean rust dispersal prediction and analysis in the U.S. for 2005 growing season. Preprint, National Soybean Rust Symposium, Nashville, TN, 15-16, November 2005.

Pan, Z., Pivonia, S., Pasken, R., Pietrowicz, J., and Yang, X.B. 2004. Simulation of airborne dispersal potentials of soybean rust from Africa to South America and from South America to North America. Phytopathology 94: S80.

Del Ponte, E., X. B. Yang, Kim, K.S., and Z. Pan 2005. Soybean rust outlook--July 18, 2005. Iowa State University Integrated Crop Management Newsletter.

Yang, X.B., E. Del Ponte, K.-S. Kim, and Z. Pan, 2005: Soybean rust outlook - June 30. Iowa State University Integrated Crop Management Newsletter.

Yang, X.B., E. Del Ponte, K.-S. Kim, and Z. Pan, 2005: Soybean rust outlook - June 13. Iowa State University Integrated Crop Management Newsletter.

Yang, X.B., E. Del Ponte, K.-S. Kim, and Z. Pan, 2005: Soybean rust outlook - June 5. Iowa State University Integrated Crop Management Newsletter.

Yang, X.B., E. Del Ponte, K.-S. Kim, and Z. Pan, 2005: Soybean rust weekly outlook- May 23. Iowa State University Integrated Crop Management Newsletter.

Yang, X.B., E. Del Ponte, K.-S. Kim, and Z. Pan, 2005: Soybean rust weekly outlook: May 8, 2005. Iowa State University Integrated Crop Management Newsletter IC494: (9)

Yang, X.B., E. Del Ponte, K.-S. Kim, and Z. Pan, 2005: Soybean rust weekly outlook: May 15, 2005. Iowa State University Integrated Crop Management Newsletter.

Conference Papers and Abstracts

Pan, Z., R. Horton, B. Tentinger, and M. Segal, 2006: Attribution of seasonal soil moisture prediction uncertainties, 18th Conference on Climate Variability and Change, Atlanta, GA., January 28-February 3, 2006.

Pan, Z., M. Segal, W. Gutowski, E. S. Takle, and C.J. Anderson, 2006: Global "warming holes" and regional land surface-atmosphere interactions, 18th Conference on Climate Variability and Change, Atlanta, GA., January 28-February 3, 2006.

Pan, Z., E. Takle, L. Xue, and M. Segal, 2005: Improvements on co2 flux estimation over the central U.S. using; explicit crop phenology in a regional climate model. Preprint: 16th Conference on Climate Variability and Change, January 9-13, 2005, San Diego, CA.

Pan, Z., R. Horton, J. Roads, and B. Tentinger, 2005: Growing-season soil moisture prediction using a climate-plant-soil coupled model, 5th International Scientific Conference on the Global Energy and Water Cycle June 20-24, 2005, Orange County, CA.

Pan, Z., R. Pasken, L. Xue, and X.B Yang, 2005: long-term prediction of soybean rust entry to the continental United States, presented at Missouri Academy of Science annual meeting, 2005.

Takle, E.S., Z. Pan, L. Xue, and M. Segal, 2005: Improving surface water and energy fluxes in a regional climate model by use of fully interactive biophysical crop modeling, 5th International Scientific Conference on the Global Energy and Water Cycle June 20-24, Orange County, CA.

Pan, Z., R.W. Arritt, E.S. Takle, W.J. Gutowski, Jr., C.J. Anderson and M. Segal, \ 2005: Influence of land-atmosphere coupling on development and persistence of a projected climate anomaly over the central U.S., The Conference on International Association of Meteorology and Atmospheric Sciences Meeting, Beijing, China, Aug. 2-12, 2005.

Pan, Z., X.B. Yang, S. Pivonia, R. Pasken, and J. Pietrowicz, 2004: Simulation of airborne dispersal potentials of soybean rust from Africa to South America, The annual meeting of The American Phytopathological Society, Anaheim, CA, July 30-Aug. 2, 2004.

Anderson, C.J., R. W. Arritt, W. J. Gutowski, Jr., E. S. Takle, Z. Pan, J. A. Taylor, M. Dvorak, J. O. Roads, and A. Nunes, The North American Monsoon (NAM) in regional climate model simulations. 14th Conference on Applied Climatology, Amer. Meteor. Soc. Seattle, WA, 2004.

Pan, Z., E.S. Takle, L. Xue, and M. Segal, Crop phenology feedback to climate over the central US in a regional climate model. Climate Feedback and Climate Dynamics, AGU Fall Meeting, San Francisco, CA, 2004.

Takle, E.S., Z. Pan, L. Xue, and M. Segal. Improving surface water and energy fluxes in a regional climate model by use of fully interactive biophysical crop modeling, 5th International Scientific Conference on the Global Energy and Water Cycle, June 20-24, Orange County, CA.

Takle, E.S., M. Jha, Z. Pan, and R. Gu, Impacts of climate change on stream flow in the Upper Mississippi River Basin: A regional climate model perspective. Regional-Scale Climate Modeling Workshop. World Climate Research Programme. Lund Sweden, 2004

Xu, D., D. Berleant, G. Takle, and Z. Pan, A better understanding of the effects of software defects in weather simulation. MM5 Workshop, Boulder CO., 2004.

Pan, Z., D. Flory, M. Segal, and R. Horton, Growing-season soil moisture prediction using a climate-plant-soil coupled agroecosystem model, Proceedings, PSU/NCAR Mesoscale Modeling System Users' Workshop, Boulder, CO, 10-10 June, 2003.