Dr. Eugene S. Takle

Professor of Atmospheric Science
Department of Geological and Atmospheric Sciences
College of Liberal Arts and Sciences
and

Professor of Agricultural Meteorology
Department of Agronomy
College of Agriculture

Assistant Director
International Institute of Theoretical and Applied Physics

Mailing Address: 3010 Agronomy Hall
Iowa State University
Ames, IA 50011

  • Office: 3013 Agronomy Hall
  • Telephone: (515) 294-9871
  • Fax: (515) 294-2619
  • E-mail: gstakle@iastate.edu

    Education

    • BA, Luther College, Physics and Mathematics
    • PhD, Iowa State University, Solid State Physics


    Active Websites in Support of Instruction.

    Active Websites in Support of Research.

    Active Research Projects in 1999-2000

    • Kothari, S., E. S. Takle, and J. Gustafson: Parallelization agent for legacy codes in environmental modeling. EPA - High Performance Computing.

    • Mize, C. W., W. D. Batchelor, J. A. Hallam, P. H. Wray, E. S. Takle, J. R. Brandle, R. Cruse, and M. Ghaffarzadeh: Modeling a shelterbelt agroforestry system. USDA National Research Initiative Competitive Grants Program

    • Takle, E. S., and W. Gallus, 1997: Maximizing the use of roadway weather information systems. Iowa Department of Transportation.

    • Gutowski, W. J., Jr., E. S. Takle, and R. W. Arritt: Regional climate simulations for impact assessment under the Project to Intercompare Regional Climate Simulations (PIRCS). Electric Power Research Institute.

    • Gutowski, W. J., Jr., E. S. Takle, and R. W. Arritt: Investigation of seasonal predictability of precipitation for the central United States. National Oceanic and Atmospheric Administration (GOALS).

    • Takle, E. S., and W. J. Gutowski, Jr., 1999: Global change, climatology, and land-use in Iowa. Center for Global and Regional Environmental Research.

    • Gutowski, W. J., Jr., E. S. Takle, and R. W. Arritt: Limited area climate modeling for comparison with downscaling. Electric Power Research Institute.

    • Takle, E. S.: Pilot study of influences of atmospheric pressure fluctuations on fluxes of trace gases from soils. Great Plains Regional Center, National Institute for Global Environmental Change (NIGEC/USDOE)

    • Gutowski, W. J. Jr., R. W. Arritt, and E. S. Takle: Regional climate model simulations of future climates in California. Electric Power Research Institute.

    Publications

    Publications 1995-1999

    • Refereed National and International Journals and Books

      • Wang, H., and E. S. Takle, 1995: Boundary-layer flow and turbulence near porous obstacles. I. Derivation of a general equation set for a porous medium. Boundary-Layer Meteorology, 74, 73-88.
      • Pan, Z., M. Segal, R. Turner, and E. Takle, 1995: Model simulation of impacts of transient surface wetness on summer rainfall in the US Midwest during drought and flood years. Monthly Weather Review, 123, 1575-1581.
      • Takle, E. S., and L. O. Mearns, 1995: Midwest Temperature Means, Extremes, and Variability: Analysis of Observed Data. In G. R. Carmichael, G. E. Folk, and J. L. Schnoor, ed., Preparing for Global Change: A Midwestern Perspective. Academic Publishing bv, Amsterdam, p . 129-134.
      • Takle, E. S., and L. O. Mearns, 1995: Midwest Temperature Means, Extremes, and Variability: Analysis of Results from Climate Models. In G. R. Carmichael, G. E. Folk, and J. L. Schnoor, ed., Preparing for Global Change: A Midwestern Perspective. Academic Publishing bv, Amsterdam, p . 135-142.
      • Takle, E. S., 1995: Variability of Midwest summertime precipitation. In G. R. Carmichael, G. E. Folk, and J. L. Schnoor, ed., Preparing for Global Change: A Midwestern Perspective. Academic Publishing bv, Amsterdam, p . 43-59.
      • Wang, H., and E. S. Takle, 1995: Numerical simulations of shelterbelt effects on wind direction. Jl. Appl. Meteorol., 34, 2206-2219.
      • Wang, H., and E. S. Takle, 1995: A numerical simulation of boundary-layer flows near shelterbelts. Boundary Layer Meteor., 75, 141-173
      • Wang, H., and E. S. Takle, 1995: On the relationship between drag and pressure coefficients for a shelterbelt. Submitted to Boundary Layer Meteorology. 60 pp.
      • Wang, H., and E. S. Takle, 1996: On shelter efficiency of shelterbelts in oblique winds. Agric. and Forest Meteorology, 81, 95-117
      • Wang, H., and E. S. Takle, 1996: On three-dimensionality of shelterbelt structure and its influences on shelter effects. Boundary-Layer Meteorology 79, 83-105.
      • Pan, Z., E. S. Takle, M. Segal, and R. Turner, 1996: Influences of model parameterization schemes on the response of rainfall in the central US to soil moisture. Monthly Weather Review 124, 1786-1802.
      • Wang, H., and E. S. Takle, 1997: Model simulated influences of shelterbelt shape on wind sheltering efficiency. Journal of Applied Meteorology 36, 695-704.
      • Wang, H., and E. S. Takle, 1997: Momentum budget of boundary-layer flow perturbed by a shelterbelt. Boundary-Layer Meteorology 82, 417-435.
      • Kim, Y., S. C. Kothari, Z. Pan, and E. S. Takle, 1997: Parallel hydrostatic Penn-State/NCAR mesoscale meteorology model MM5 for distributed memory computers. Submitted to International Journal of High Speed Computing.
      • Takle, E. S., and H. Wang, 1997: Reply to comments by J. D. Wilson and C. J. Mooney on ’A Numerical Simulation of Boundary-Layer Flows Near Shelterbelts’. Boundary-Layer Meteorology, 85, 151-159.
      • Pan, Z., E. S. Takle, W. Gutowski, and R. Turner, 1998: Long simulation of regional climate as sequences of short segments. Mon. Wea. Rev. 127, 308-321.
      • Segal, M., Z. Pan, R. W. Turner, and E. S. Takle, 1998: On the potential impact of irrigated areas in North America on summer rainfall caused by large-scale systems. J. Appl. Meteorology, 37, 325-331.
      • Pan, Z., E. S. Takle, M. Segal, and R. Arritt, 1998: Simulation of potential impacts of man-made landuse changes on US summer climate under various climate regimes. To appear in Journal of Geophysical Research - Atmospheres.
      • Takle, E. S., W. J. Gutowski, Jr., R. W. Arritt, Z. Pan, C. J. Anderson, R. Ramos da Silva, D. Caya, S.-C. Chen, J. Hesselbjerg Christensen, S.-Y. Hong, H. M. (Henry) Juang, J. Katzfey, W. M. Lapenta, R. Laprise, P. Lopez, J. Mc Gregor, and J. O. Roads, 1998: Project to intercompare regional climate simulations (PIRCS): Description and initial results. Accepted with modifications by Journal of Geophysical Research.
      • Takle, E. S, 1998: University instruction in observational techniques: Survey responses. Submitted to the Bulletin of the American Meteorological Society.
      • Xi, Q., C. W. Mize, W.D. Batchelor, E. S. Takle, and I. V. Litvina, 1999: SBELTS: A model of soybean production under tree shelter. Submitted to Agroforestry systems.

    • Conference Presentations

      • Takle, E. S., D. J. Bramer, W. E. Heilman, and M. R. Thompson, 1995: Synoptic climatology for forest-fire potential in the NE US: Impact of doubling CO2. Sixth Symposium on Global Change Studies, Dallas. Amer. Meteor. Soc.
      • Takle, E. S., and L. O. Mearns, 1995: Temperature means, extremes, and variability in the US Midwest: Analysis of observed data and global and regional model results. Ninth Conference on Applied Climatology, Dallas. Amer. Meteor. Soc. 202-205.
      • Wang, H., and E. S. Takle, 1995: Equations for mean and turbulent flow through and over porous obstacles. Eleventh Symposium on Boundary Layers and Turbulence, Charlotte. Amer. Meteor. Soc., 537-538.
      • Wang, H., and E. S. Takle, 1995: Simulations of mean and turbulent properties of oblique flows near agricultural shelterbelts. Eleventh Symposium on Boundary Layers and Turbulence, Charlotte. Amer. Meteor. Soc., 507-510.
      • Takle, E. S., 1995: Project to intercompare regional climate simulations (PIRCS), preliminary workshop, 17-18 November 1994. Bull. Amer. Meteor. Soc., 76, 1625-1626.
      • Schmidt, R. A., E. S. Takle, J. R. Brandle, and I. V. Litvina, 1995: Static pressure at the ground under atmospheric flow across a windbreak. Eleventh Symposium on Boundary Layers and Turbulence, Charlotte. Amer. Meteor. Soc., 517-520.
      • Schmidt, R. A., R. L. Jairell, J. R. Brandle, E. S. Takle, and I. V. Litvina, 1995: Windbreak shelter as a function of wind direction. Ninth Symposium on Meteorological Observations and Instrumentation. Charlotte. Amer. Meteor. Soc.
      • Litvina, I. V.,E. S. Takle, J. Prueger, R. A. Schmidt, and J. R. Brandle, 1995: Atmospheric density fluctuations in the surface layer near shelterbelts. Ninth Symposium on Meteorological Observations and Instrumentation. Charlotte. Amer. Meteor. Soc.
      • Prueger, J., T. Sauer, E. S. Takle, I. V. Litvina, R. A. Schmidt, J.R. Brandle, and J. L. Hatfield, 1995: Windbreak shelter effects on surface energy balance components. Ninth Symposium on Meteorological Observations and Instrumentation. Charlotte. Amer. Meteor. Soc. 478-481.
      • Alkhalil, A., I. V. Litvina, R. A. Schmidt, J. R. Brandle, and E. S. Takle, 1995: Determination of shelterbelt porosity parameters from measurements and a model. Eleventh Symposium on Boundary Layers and Turbulence, Charlotte. Amer. Meteor. Soc., 511-512.
      • Zhou, X., J. R. Brandle, E. S. Takle, R. A. Schmidt, R. L. Jairell, E. Daningsih, and L. Hodges, 1995: A new method to estimate the aerodynamic density of field shelterbelts. Annual Meeting of the American Agronomy Society, October 29-November 3. St. Louis.
      • Brandle, J. R., R. A. Schmidt, E. S. Takle, I. V. Litvina, X. Zhou, D. S. Zhang, R. L. Jairell, and W. E. Easterling, 1995: Comparison of wind profiles and microclimate in a series of parallel shelterbelts. Annual Meeting of the American Agronomy Society, October 29-November 3. St. Louis.
      • Takle, E. S., and M. R. Taber, 1996: Use of the Internet as a platform for a university course on global change. Fifth Symposium on Education, Annual Meeting of the American Meteorological Society, January 28-February 2, Atlanta, GA.
      • Yarger, D. N., E. S. Takle, M. Taber, and D. Fils, 1995: A strategy for implementing constructivist methods on the Internet. 2nd Int. Conf. on Computer-aided Learning and Distance Learning in Meteorology. Toulouse, France. July.
      • Takle, E. S., and M. R. Taber, 1996: Use of the Web as a tool for interactive learning. WebNet-96, World Conference of the Web Society. San Francisco, October 16-19.
      • Pan, Z., E. S. Takle, M. Segal, and R. Turner, 1996: Effects of soil moisture on summer rainfall under different model physics. 12th Conference on Biometeorology and Aerobiology, Atlanta, GA. Amer. Meteor. Soc., 4pp.
      • Wang, H., and E. S. Takle, 1996: Modeling the evapotranspiration and energy partition of inhomogeneous agroecosystems. 22nd Conference on Agricultural and Forest Meteorology, Atlanta, GA, Amer. Meteor. Soc.
      • Wang, Hao, and E. S. Takle, 1996: Influences of shelterbelts on turbulent flow and the shelter mechanism. 22nd Conference on Agricultural and Forest Meteorology, Atlanta, GA, Amer. Meteor. Soc.
      • Takle, E. S., and P. C. Thomson, 1996: Use of expert systems for roadway weather maintenance decisions. Semisesquicentennial Transportation Conference. Proceedings . Transportation Research Board. Ames, IA. 13-14 May 1996, p. 183-187.
      • Takle, E. S., W. J. Gutowski, R. W. Arritt, W. A. Gallus, R. W. Turner and Z. Pan, 1996: Project to Intercompare Regional Climate Simulations (PIRCS). Second International Scientific Conference on the Global Energy and Water Cycle, 17 June - 20 June 1996, Washington, DC.
      • Gutowski, W. J., E. S. Takle, R. W. Arritt, 1996: Planned Mesoscale Climate Simulations for TAR Impacts Assessments. Interfacing Mesoscale Climate Models with Impacts Assessment: A Workshop, 5 - 6 December 1996, Boulder, Colorado.
      • Gutowski, W. J. ,E. S. Takle, R. W. Arritt, W. A. Gallus, Jr., R. W. Turner, and Z. Pan, 1997: Project to Intercompare Regional Climate Simulations (PIRCS). Conference on Hydrology, 77th Annual Meeting, American Meteorological Society, 2 - 7 February 1997, Long Beach, California.
      • Taber, M. R., E. S. Takle, and D. Fils, 1997: Use of the internet for student self-managed learning. Preprints, Sixth Symposium on Education. American Meteorological Society, 2-7 February, Long Beach, CA.
      • Kim, Y., Z. Pan, E. S. Takle, and S. C. Kothari, 1997: Parallel implementation of the hydrostatic MM5. Eighth SIAM Conference on Parallel Processing for Scientific Computing. Minneapolis.
      • Wang, H., E. S. Takle, and J. Shen, 1997: Radiative characteristics of an agroforestry ecosystem. Ninth Conference on Atmospheric Radiation. Amer. Meteorol. Soc., 2-7 February, Long Beach, CA. 308-309.
      • Wang, H., J. Shen, and E. S. Takle, 1997: Influences of agroforestry ecosystem on evapotranspiration and soil moisture. 13th Conference on Hydrology. Amer. Meteorol. Soc., 2-7 February, Long Beach, CA. 360-361.
      • El-Khabiry, S. H., and E. S. Takle, 1997: Learning calculus interactively on the internet. Symposium on Mathematics Instruction. University of Northern Iowa.
      • Wang, Hao, Jinmei Shen, and Eugene S. Takle, 1997: High-resolution regional climate simulations using RegCM2 with different scale couplings of soil, vegetation, and atmospheric boundary-layer processes. Preprints, 12th Symposium on Boundary Layers and Turbulence, Amer. Meteor. Soc. Vancouver. 573-574.
      • Takle, E. S., H. Wang, R. A. Schmidt, J. R. Brandle, I. V. Litvina, and R. L. Jairell, 1997: Pressure perturbations around shelterbelts: Measurements and model results. Preprints, 12th Symposium on Boundary Layers and Turbulence, Amer. Meteor. Soc. Vancouver. 563-564.
      • Shen, J., E. S. Takle, R. W. Arritt, and H. Wang, 1997: A simulation study of the relationship among surface heterogeneity, heat fluxes, and boundary-layer turbulence structure. Preprints, 12th Symposium on Boundary Layers and Turbulence, Amer. Meteor. Soc. Vancouver. 569-570.
      • Kim, Y., S. C. Kothari, E. S. Takle, and John Michalakes, 1997: Efficient exchange of run-time information in parallel atmospheric models. Symposium on Regional Weather Prediction on Parallel Computer Environments. Athens, Greece. 295-299.
      • Kothari, S. C., Y. Kim, and E. S. Takle, 1997: Parallelization agent for atmospheric models. Symposium on Regional Weather Prediction on Parallel Computer Environments. Athens, Greece. 287-294.
      • Mize, C., W. Batchelor, J. Brandle, J. Colletti, R. Cruse, M. Ghaffarzadeh, A. Hallam, X. Qi, E. Takle, and P. Wray, 1997: SAMS (Shelterbelt Agroforestry Modeling System): Present status and future directions. Fifth Conference on Agroforestry in North America. Ithaca, NY.
      • Takle, E. S., 1998: University Instruction in Observational Techniques: Survey Responses. Preprints, 7th Symposium on Education. Amer. Meteor. Soc., Phoenix.
      • Takle, Eugene S., and David T. Kao, 1998: A Synthesis of Models for Describing Multi-scale Interactions within Natural Systems. MISSION EARTH '98: Modeling and Simulation of the Earth System, January 11-14, 1998, San Diego, California, USA
      • Pan, Zaitao, Eugene S. Takle, William Gutowski, and Richard Turner, 1998: Long simulation of regional climate as a sequence of short segments. 9th Symposium on Global Change Studies. Amer. Meteor. Soc., Phoenix.
      • Pan, Zaitao, Eugene S. Takle, and Moti Segal, 1998: On relative efficiency of horizontal moisture flux and evapotranspiration in enhancing summer rainfall. 2nd Symposium on Integrated Observing Systems. Amer. Meteor. Soc., Phoenix.
      • Hesselbjerg Christensen, J., P. Lopez, R. W. Arritt, W. J. Gutowski, and E. S. Takle, 1998: On the role of a consistent treatment of physical parameterization in dynamical down scaling simulations. Rossby Symposium.
      • Arritt, R. W., E. S. Takle, W. J. Gutowski, Jr., Z. Pan, and J. Hesselbjerg Christensen, 1998: Regional climate change for impacts analysis: Evaluating ensemble projections. Second International Climate and History Conference. Norwich England.
      • Arritt, R. W., Takle, E. S., Gutowski, W. J., Jr., and Z. Pan, 1998: Effects of Low Frequency Atmospheric Variability on Regional Drought and Flood. Poster H52B-04. AGU Spring Meeting, Boston.
      • Takle, E. S., M. R. Taber, and D. Fils, 1998: Global Change Course on the Internet. AGU Spring Meeting.
      • Gutowski, W. J., Jr., E. S. Takle, and R. W. Arritt, 1998: Project to Intercompare Regional Climate Simulations, Workshop II, 5-6 June 1997. Bull. Amer. Meteorol. 79, 657-659.
      • Shen, J., W. D. Batchelor. E. S. Takle, R. Kanwar, and C. Mize, 1998: Prediction of spatial soil water balance in a soybean field. 1998 ASAE Annual International Meeting, Orlando. 24 pp.
      • Takle, E. S., Z. Pan, R. W. Arritt, and W. J. Gutowski, Jr., 1998: Regional climate scenarios for water resources research and impact assessment. Second International Conference on Climate and Water. Vol. 1, 1-9. Espoo, Finland 17-20 August.
      • Takle, E. S., M. R. Taber, and D. Fils, 1998: Interactive courseware on global change issues for universities and policymakers. Second International Conference on Climate and Water. Vol. 3, 1664-1669. Espoo, Finland 17-20 August.
      • Knollhoff, D. S., E. S. Takle, W. A. Gallus, Jr., and D. Burkheimer, 1998: Use of pavement temperature measurements for winter maintenance decisions. Crossroads 2000 Proceedings. Iowa State University. 33-36.
      • Litvina, I. V., E. S. Takle, J. H. Prueger, R. A. Schmidt, and J. R. Brandle, 1998: Experimental study of statistical properties of air density fluctuation in atmospheric shear flow under unstable conditions. Euromech Colloquium 377: Stability and Control of Shear Flows with Strong Temperature or Density Gradients. Prague, 20-21 May 1998.
      • Takle, E. S., Z. Pan, R. W. Arritt, and W. J. Gutowski, Jr., 1998: Use of limited area models to develop regional climate scenarios. Global Climate Change: Science, Policy, and Mitigation /Adaptation Strategies. Air & Waste Management Association Second International Specialty Conference. Washington, DC.
      • Takle, E. S., 1999: Future climate change and agriculture. Proceedings, 21st Annual Seed Technology Conference, Ames, IA.
      • Arritt, R.W., W.J. Gutowski, Jr., E.S. Takle, Z. Pan, C.J. Anderson, R. Silva, D. Caya, S.-C. Chen, J.H. Christensen, S.-Y. Hong, H.-M. H. Juang, J.J. Katzfey, W.M. Lapenta, R. Laprise, P. Lopez, J. McGregor and J.O. Roads, 1999: Project to Intercompare Regional Climate Simulations. WMO Working Group on Numerical Experimentation report series "Research Activities in Atmospheric and Oceanic Modeling."
      • Arritt, R.W., W.J. Gutowski, Jr., E.S. Takle, Z. Pan, C.J. Anderson, R. Silva, D. Caya, S.-C. Chen, J.H. Christensen, F. Giorgi, S.-Y. Hong, H.-M. H. Juang, J.J. Katzfey, W.M. Lapenta, R. Laprise, P. Lopez, J. McGregor, R. A. Pielke, Sr., and J.O. Roads, 1999: Project to Intercompare Regional Climate Simulations (PIRCS): Preliminary analyses of precipitation processes. 14th Conference on Hydrology, American Meteorological Society, Dallas, Texas, 10-15 January 1999.
      • Arritt, R.W., W.J. Gutowski, Jr., E.S. Takle, Z. Pan, C.J. Anderson, R. Silva, D. Caya, S.-C. Chen,J.H. Christensen, S.-Y. Hong, H.-M. H. Juang, J.J. Katzfey, W.M. Lapenta, R. Laprise, P. Lopez, J. McGregor and J.O. Roads, 1999: Project to Intercompare Regional Climate Simulations (PIRCS): Preliminary results for the 1988 Midwest drought. 10th Symposium on Global Change Studies, American Meteorological Society, Dallas, Texas, 10-15 January 1999.
      • Takle, E. S., M. R. Taber, and D. Fils, 1999: An interdisciplinary internet course on Global Change for present and future decision-makers. Invited Keynote Preseentation. International Symposium on the Learning Society and the Water Environment. Paris, 2-4 June 1999.
      • Gutowski, W. J. Jr., R. Wilby, E. S. Takle, R.W. Arritt, Z. Pan, C.J. Anderson, R. Silva, D. Caya, S.-C. Chen, J.H. Christensen, S.-Y. Hong, H.-M. H. Juang, J.J. Katzfey, W.M. Lapenta, R. Laprise, P. Lopez, J. McGregor and J.O. Roads, 1999: A comparison of downscaling for hydrolgic analysis by statistical downscaling and limited-area modeling. AGU Spring Meeting.
      • Takle, E. S., 1999: How does agriculture cause climate change? National Forum for Agriculture: Climate Change and the Implications for Agriculture and Energy, Ames, IA
      • Takle, E. S., 1999: What is global warming and how do we know it’s happening? Climate Change: What Does It Mean for the Midwest? Regional EPA Conference. Kansas City. April 1999.
      • Pan, Z, J.H. Christensen, R.W.Arritt, W. .J. Gutowski, Jr., E. S. Takle, and C.J. Anderson, 1999: Assessment of Regional Climate Change Simulation for Impacts Analysis. Conference on Detection and Modeling of Regional Climate Change. Trieste Italy 9 - 12 June 1999.
      • Gutowski, W. J., Jr., R. L. Wilby, E. S. Takle, R.W. Arritt, Z. Pan, C.J. Anderson, R. Silva, D. Caya, S.-C. Chen, J.H. Christensen, S.-Y. Hong, H.-M. H. Juang, J.J. Katzfey, W.M. Lapenta, R. Laprise, G. Liston, P. Lopez, J. McGregor, R. Pielke, Sr., and J.O. Roads, 1999: A Comparison of Statistical and Dynamical Downscaling for Hydrologic Impact Analysis. . Conference on Detection and Modeling of Regional Climate Change. Trieste Italy 9 - 12 June 1999.
      • Takle, E. S., W. J. Gutowski, Jr., R. W. Arritt, Z. Pan, C. J. Anderson, R. R. da Silva, D. Caya, S.-C. Chen, J. H. Christensen, F. Giorgi, S.-Y. Hong,, H.-M. H. Juang, J. Katzfey, W. M. Lapenta, R. Laprise, G. E. Liston, P. Lopez, J. McGregor, R. A. Pielke, Sr., and J. O. Roads, 1999: Project to Intercompare Regional Climate Simulations (PIRCS): Description and Initial Results. . Conference on Detection and Modeling of Regional Climate Change. Trieste Italy 9 - 12 June 1999.
      • Takle, E. S., 1999: Climate Extremes and Crop Physiology. Aspen Global Change Institute: Ecological and Agricultural Consequences of Climatic Extremes. 13-22 August, Aspen Colorado. (Invited presentation)
      • Sorensen, E. K., and E. S. Takle, 1999: Distributed collaborative learning across disciplines and national borders. Conference on Computer Supported Collaborative Learning (CSCL’99), Stanford University, Dec 12-15. 11 pp
      • Takle, E. S., 1999: "State of the art" of flexible learning (on/off campus). Invited presentation at Aalborg University, Denmark.
      • Takle, E. S., 1999: A presentation (and demonstration) of Global Change - a course on environmental issues and global change. Invited presentation at Aalborg University, Denmark.
      • Takle, E. S., 1999: The role of science and technology. Presentation in Iowa House Chambers , State Capitol in program on Takeing on the Challenge of Climate Change: A Public Hearing Seeking Innovative Solutions. 6 November 1999.
      • Brandle, J. R., X. H. Zhou, and E. S. Takle, 1999: The influence of three dimensional internal structure of a tree shelterbelt on aerodynamic effectiveness. Sixth Conference on Agroforestry in North America. Hot Springs AK.
      • Zhou, X. H., J. R. Brandle, and E. S. Takle, 1999: Estimating the three dimensional internal structure of a green ash shelterbelt: distribution of surface area. Sixth Conference on Agroforestry in North America. Hot Springs AK.
      • Takle, E. S., H. Wang, J. R. Brandle, X. Zhou, and I. V. Litvina, 1999: Numerical simulations and measurements of effects of wind direction and shelter structure on shelterbelt efficiency. Sixth Conference on Agroforestry in North America. Hot Springs AK.
      • Mize, C., W. Batchelor, J. Brandle, R. Cruse, M. Ghaffarzadeh, X. Qi, E. Takle, and P. Wray, 1999: SAMS (Shelterbelt Agroforestry Modeling System): Present status and future directions. In: Exploring the Opportunities for Agroforestry in Changing Rural Landscapes, L. Buck and J. Lassoie, Ed., Proc. Fifth Conf. on Agroforestry in North America. Ithaca, NY Aug., 1997, p 135-137.

    Publications 1990-1994

    • Refereed National and International Journals and Books

      • Takle, E. S., 1990: Bridge and roadway frost: Occurrence and prediction by use of an expert system. J. Appl. Meteorol., 29, 727-734.
      • Heilman, W. E., and E. S. Takle, 1991: Numerical simulation of the nocturnal characteristics over Rattlesnake Mountain. J. Appl. Meteorol., 30, 1106-1116.
      • Zhong, S., J. M. Leone, Jr., and E. S. Takle, 1991: Interaction of a sea breeze with a river breeze in an area of complex surface heating. Boundary-Layer Meteorol., 56, 101-113.
      • Zhong, S., and E. S. Takle, 1992: An observational study of sea- and land breeze circulation in an area of complex coastal heating. J. Appl. Meteorol., 31, 1426-1438.
      • Takle, E. S., 1992: Preparing for climate change: Asking the right questions. In D. R. Buxton et al. (ed.) International Crop Science I, 257-261. Crop Science Society of America, Madison, WI. 895 pp.
      • Litvina, I. V., and E. S. Takle, 1993: Design of porous-plant windbreaks for management of surface-layer parameters. In Soil and Plants - Processes and Modeling, I. Uskov (editor), 87-94. (Published in Russian)
      • Zhong, S., and E. S. Takle, 1993: The effects of large-scale winds on the sea/land-breeze circulations in an area of complex coastal heating. J. Appl. Meteorol., 32, 1181-1195.
      • Ly, L. N., and E. S. Takle, 1994: A numerical study of the influence of the air temperature-inversion layer and seawater density-jump layer on the structure of atmospheric and oceanic boundary layers. Boundary-Layer Meteorology 67, 327-343.
      • Takle, E. S., D. J. Bramer, Warren E. Heilman, and M. R. Thompson, 1994: Synoptic climatology for forest fires in the NE US: Analysis of observations and GCM results. International Journal of Wildland Fire 4 , 217-224.

    • Conference Presentations

      • Takle, E. S., and S. T. Hansen, Jr., 1990: Development and validation of an expert system for forecasting frost on bridges and roadways. Preprints, Sixth Int'l. Conf. on Interactive Information and Processing Systems for Meteorology, Oceanography, and Hydrology, 197-200.
      • Zhong, S., J. M. Leone, Jr., and E. S. Takle, 1990: A three-dimensional numerical simulation of mesoscale flow over KSC/CC area of Florida. Preprints, Fourth Conference on Mesoscale Processes, Amer. Meteorol. Soc., 124-125.
      • Reisner, J. M., and E. S. Takle, 1990: Numerical simulations of a thermally and mechanically forced ageostrophic coastal jet. Preprints, Fourth Conference on Mesoscale Processes, Amer. Meteorol. Soc., 133-134.
      • Takle, E. S., 1990: Global change: causes and effects. Proceedings, Twelfth Annual Seed Technology Conference, 3-27.
      • Takle, E. S., 1990: Climates of agricultural regions of the USSR and USA as projected by a global climate model for a doubling of atmospheric CO2. Presented at the Joint Symposium between the Agrophysical Institute and Iowa State University, June 1990, Leningrad.
      • Zhong, S., and E. S. Takle, 1992: An observational study of thermally induced mesoscale circulation systems in an area of complex coastal heating. Preprints, Fifth Conference on Mesoscale Processes, Atlanta. Amer. Meteorol. Soc., 81-84.
      • Takle, E. S., 1992: Global change and the soybean industry. Proceedings, 21st Soybean Seed Research Conference, 1-18.
      • Bian, X., E. S. Takle, and S. Zhong, 1992: A theoretical study of the flux profile relationships: Extension of the KEYPS equation to the tower layer. Proceedings, Tenth Symposium on Turbulence and Diffusion, Portland, OR. Amer. Meteorol. Soc., 184-187.
      • Takle, E. S., and X. Bian, 1993: Preliminary evaluation of temperature means, extremes, and variability, and their relation to agricultural yields. Proceedings, 21st Conference on Applied Meteorology, Anaheim. Amer. Meteorol. Soc., 32-37.
      • Litvina, I. V., and E. S. Takle, 1993: Designing shelterbelts by use of a turbulence model. Proceedings, 4th International Symposium on Windbreaks and Agroforestry, 24-27. Viborg, Denmark.
      • Litvina, I. V., and E. S. Takle, 1993: Snow deposition by shelterbelts as a means of reducing fire potential. 12th International Conf. on Fire and Forest Meteorology. Jekyll Is. Ga.
      • Takle, E. S., X. Bian, and W. Heilman, 1993: Synoptic climatology for forest fires in the NE US: Preliminary analysis of observations and GCM results. 12th International Conf. on Fire and Forest Meteorology. Jekyll Is. Ga. 38-45.
      • Takle, E. S., 1993: Use of physically based meteorological models for enhancing agroclimatic databases. Coordination and Harmonisation of Databases and Software for Agroclimatic Applications. Food and Agricultural Organization Agrometeorology Series Number 13, United Nations, Rome. 291-294.
      • Wang, H., and E. S. Takle, 1994: Interaction of Synoptic Flow and Mesoscale Circulation as a Function of Synoptic Windspeed. Preprints, Sixth Conference on Mesoscale Processes, Portland, Amer. Meteor. Soc., J36-J39.
      • Wang, H., and E. S. Takle, 1994: Mesoscale and Boundary-Layer Flows over Inhomogeneous Surfaces Consisting of Porous Obstacles. Preprints, Sixth Conference on Mesoscale Processes, Portland, Amer. Meteor. Soc., 262-265.
      • Pan, Zaitao, M. Segal, E. S. Takle, and R. Turner, 1994: Surface wetness impact on summer rainfall in the Central US during droughts and floods. Preprints, Sixth Conference on Mesoscale Processes, Portland, Amer. Meteor. Soc., J1-J4.
      • Takle, E. S., and L. O. Mearns, 1994: Temperature means, extremes, and variability in the Midwest - observations. Midwest Climate Change II (poster). University of Iowa, April.
      • Takle, E. S., and L. O. Mearns, 1994: Temperature means, extremes, and variability in the Midwest - GCM results. Midwest Climate Change II (poster). University of Iowa, April.
      • Takle, E. S., 1994: Variability of Midwest summertime precipitation. Midwest Climate Change II (invited presentation). University of Iowa, April.
      • Takle, E. S., 1994: Regional climate variability in model results and observations. Iowa Academy of Science Special Symposium on Midwest Climate Change and Variability. Davenport, IA (Invited talk)
      • Bramer, D. J., M. R. Thompson, E. S. Takle, and W. E. Heilman, 1994: Relationship of wildfire to climate change from analyses of weather maps and a global climate model. Iowa Academy of Science Special Symposium on Midwest Climate Change and Variability. Davenport, IA

    Publications Relating to Web-Based Instruction

      • Takle, E. S., and M. R. Taber, 1996: Use of the Internet as a platform for a university course on global change. Fifth Symposium on Education, Annual Meeting of the American Meteorological Society, January 28-February 2, Atlanta, GA.
      • Yarger, D. N., E. S. Takle, M. Taber, and D. Fils, 1995: A strategy for implementing constructivist methods on the Internet. 2nd Int. Conf. on Computer-aided Learning and Distance Learning in Meteorology. Toulouse, France. July.
      • Takle, E. S., and M. R. Taber, 1996: Use of the Web as a tool for interactive learning. WebNet-96, World Conference of the Web Society. San Francisco, October 16-19.
      • Taber, M. R., E. S. Takle, and D. Fils, 1997: Use of the internet for student self-managed learning. Preprints, Sixth Symposium on Education. American Meteorological Society, 2-7 February, Long Beach, CA.
      • El-Khabiry, S. H., and E. S. Takle, 1997: Learning calculus interactively on the internet. Symposium on Mathematics Instruction. University of Northern Iowa.
      • Takle, E. S., 1998: University Instruction in Observational Techniques: Survey Responses. Preprints, 7th Symposium on Education. Amer. Meteor. Soc., Phoenix.
      • Takle, E. S., M. R. Taber, and D. Fils, 1998: Global Change Course on the Internet. AGU Spring Meeting.
      • Takle, E. S., 1999: "State of the art" of flexible learning (on/off campus). Invited presentation at Aalborg University, Denmark.
      • Takle, E. S., 1999: A presentation (and demonstration) of Global Change - a course on environmental issues and global change. Invited presentation at Aalborg University, Denmark.
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