Iowa State University

Iowa State University

College of Liberal Arts and Sciences

Department of Geological and Atmospheric Sciences

Got a question or comment?
Contact us at 515-294-4477 (geology) or 515-294-4758 (meteorology)
geology@iastate.edu
Meteorology Undergrad Program
Meteorology Graduate Program

Carl Jacobson
Chair
Department of Geological & Atmospheric Sciences
253 Science I
Ames, Iowa 50011

FAX: 515-294-6049

William Gallus
Professor-in-Charge
Meteorology Program
3010 Agronomy Hall
515-294-2270



Eugene Takle Publications


Publications 2005-2010
General Public
Takle, E. S., 2005: Nighttime rainfall makes Iowa a special place. Des Moines Register, 19 August 2005. [Available online at http://desmoinesregister.com/apps/pbcs.dll/article?AID=/20050819/OPINION01/508190350/1035] Please note that the Register online version omits a key graphic given here.

Refereed National and International Journals and Books
Takle, E., C. Anderson, M. Jha, and P.W. Gassman. 2006. Upper Mississippi River Basin modeling system part 4: Climate change impacts on flow and water quality. In: Coastal Hydrology and Processes (Eds. V.P. Singh and Y.J. Xu). Water Resources Publications, Highland Ranch, CO (In press).

Wuebbles, D. J., and E. S. Takle, 2005: Geoscience heads and chairs tackle strategies for thriving departments. EOS 80, 187, 190 (10 May).

Takle, E. S., and D. J. Wuebbles, 2005: Promoting atmospheric, Earth, and space sciences in higher education. Bull. Amer. Meteor. Soc. 86, 989-991.

Xu, D., D. Berleant, E. S. Takle, and Z. Pan, 2005: A better understanding of the effects of software defects in weather simulation. Bull. Amer. Meteor. Soc. (proposal accepted)

Takle, E. S., and Z. Pan, 2005: Climate Change and Crop Production: Challenges to Modeling Future Scenarios. In Lal, R., N. Uphoff, B. A. Stewart, and D. O. Hansen, 2005, ed., Climate Change and Global Food Security. Taylor & Francis. 383-403.

Takle, E.S., J. Roads, B. Rockel, W.J. Gutowski, Jr.. R.W. Arritt, I. Meinke, C.G. Jones, and A. Zadra, 2006: Transferability intercomparison: An opportunity for new insight on the global water cycle and energy budget. Submitted to the Bull. Amer. Meteor. Soc. (October 2005).

Greenfield, T.M., and E.S. Takle, 2005: Bridge frost prediction by heat and mass transfer methods. J. Appl. Meteor. (In Press).

Zhou, X.H., J.R. Brandle, C.W. Mize, and E.S. Takle, 2005: The relationship of three-dimensional structure to shelterbelt function: A theoretical hypothesis. J. Crop Production. (In press).

Takle, E.S., M. Jha, and C.J. Anderson, 2005: Hydrological cycle in the Upper Mississippi River Basin: 20th century simulations by multiple GCMs. Geophys. Res. Lett., 32, L18407 10.1029/2005GL023630 (28 September).

Published Conference Presentations
Takle, E. S., M. Jha, C. J. Anderson, and P. W. Gassman, 2006: Climate change impacts on the hydrology of the Upper Mississippi River Basin as determined by an ensemble of GCMs. 20th Conference on Hydrology, Amer. Meteor. Soc. Atlanta GA.

Takle, E. S., J. Roads, B. Rockel, W. J. Gutowski, Jr., R. W. Arritt, I. Meinke, C. G. Jones, and A. Zadra, 2006: Do regional climate models perform better on their home domains? A transferability intercomparison. EGU Annual Meeting.

Takle, E. S., J. Roads, B. Rockel, W. J. Gutowski, Jr., R. W. Arritt, I. Meinke, C. G. Jones, and A. Zadra, 2006: Diurnal cycle of surface-flux probability distributions in regional climate models. EGU Annual Meeting.

Arritt, R. W., C. A. Clark, M. E. Westgate, B. Viner, E. S. Takle, and A. S. Goggi, 2005: Evaluation of pollen confinement techniques. North Central Weed Science Society 60th Annual Meeting. Kansas City, MO

Takle, E.S., B. Rockel, W.J. Gutowski, Jr., J. Roads, R.W. Arritt, I. Meinke, and C. Jones, 2005: Transferability Working Group (TWG). GEWEX Hydrometeorology Panel Meeting (GHP-11) Melbourne, AU. 26-29 September.

Takle, E., B. Rockel, W.J. Gutowski, J. Roads, J. R.W. Arritt, and I. Meinke, 2005: Transferability: A Global Approach to Regional Climate Model Simulations. Scientific Assembly of the International Association of Meteorology and Atmospheric Sciences (IAMAS), Beijing, China, 2-11 August 2005.

Takle, E. S., and D. J. Wuebbles, 2005: Promoting atmospheric, Earth, and space sciences in higher education. Bull. Amer. Meteor. Soc., 86, 989-991.

Rockel, B., I. Meinke, J. Roads, W. J. Gutowski, Jr., R. W. Arritt, E. S. Takle, and C. Jones, 2005: The Inter-CSE Transferability Study. Submitted to CEOP Newsletter. (July 2005).

Takle, E.S., B. Rockel, W.J. Gutowski, Jr., J. Roads, I. Meinke, R.W. Arritt, and C. Jones, 2005: Transferability: Advancing the science of hydrometeorology. Indo-US Workshop on Applications of High-Performance Computing to Weather and Climate (invited presentation). Boulder CO, July 2005.

Rockel, B., J. Roads, I. Meinke, W.J. Gutowski, R.W. Arritt, and E.S. Takle, 2005: ICTS (Inter-CSE Transferability Study) of regional climate models within CEOP. Fifth Conference, Global Energy and Water Cycle Experiment (GEWEX), Costa Mesa, CA, June 2005.

Wuebbles, D.J., and E.S. Takle, 2005: Geoscience heads and chairs tackle strategies for thriving departments. EOS, 80, 187, 190 (10 May).

Gutowski, W.J., Jr., R. Arritt, S. Biner, G. Boer, D. Caya, P. Duffy, M. Giguere, F. Giorgi, I. Held, R. Jones, R. Laprise, R. Leung, L. Mearns, A. Nunes, J. Pal, Y. Qian, J. Roads, L. Sloan, M. Snyder, R. Stouffer, E. Takle, and W. Washington, 2005: Initial results from the North American Regional Climate Change Assessment Program. 16th Conference on Climate Variability and Change. Amer. Meteor. Soc., San Diego.

Mearns, L.O., R.W. Arritt, G. Boer, D. Caya, P. Duffy, F. Giorgi, W.J. Gutowski, I.M. Held, R. Jones, R. Laprise, L.R. Leung, J. Pal, J. Roads, L. Sloan, R. Stouffer, E.S. Takle, and W. Washington, 2005: NARCCAP, North American Regional Climate Change Assessment Program, A Multiple AOGCM and RCM Climate Scenario Project over North America. 16th Conference on Climate Variability and Change. Amer. Meteor. Soc., San Diego.

Arritt, R.W. , C.J. Anderson, W.J. Gutowski, E.S. Takle, D. Caya, C.G. Jones, J.J. Katzfey, J.W. Larson, R. Laprise, J.L. McGregor, J. Roads, and J. Taylor, 2005: Influences on predictability in multi-year regional climate simulations for the continental United States. 16th Conference on Climate Variability and Change. Amer. Meteor. Soc., San Diego.

Rockel, B., J. Roads, I. Meinke, W.J. Gutowski, R. Arritt, and E.S. Takle, 2005: ICTS (Inter-CSE Transferability Study): an application of CEOP data. 16th Conference on Climate Variability and Change. Amer. Meteor. Soc., San Diego.

Takle, E.S., M. Jha, Z. Pan, and R. Gu, 2005: Climate change and uncertainty of stream flow scenarios of the Upper Mississippi River Basin by use of a regional climate model. 19th Conference on Hydrology. Amer. Meteor. Soc., San Diego.

Mearns, L.O., R. Arritt, G. Boer, D. Caya, P. Duffy, F. Giorgi, W. Gutowski, I. Held, R. Jones, R. Laprise, R. Lueng, J. Pal, J. Roads, L. Sloan, R. Stouffer, E. Takle, and W. Washington, 2005: North American Regional Climate Change Assessment Program. 16th Conference on Climate Variability and Change. Amer. Meteor. Soc., San Diego.

Pan, Z., E.S. Takle, L. Xue, and M. Segal, 2005: Improvements on CO2 flux estimation over the central U.S. using explicit crop phenology. 16th Conference on Climate Variability and Change. Amer. Meteor. Soc., San Diego.

Takle, E.S., M. Jha, P.W. Gassman, S. Secchi, and C. Kling, 2005: Climate change impacts on the hydrology and water quality of the Upper Mississippi River Basin. Third International SWAT Conference. 11-15 July, Zurich, Switzerland.

Takle, E.S., M. Jha, and C.J. Anderson, 2005: Changes is Stream Flow due to Increases in Greenhouse Gas Forcing. International Workshop on IPCC Model Analysis. (March 2005, Honolulu).

Takle, E.S., B. Rockel, W.J. Gutowski, Jr., J. Roads, R.W. Arritt, and I. Meinke, 2005: Transferability: Advancing the science of Hydrometeorology. Geophys Res Abstr. 7, 08967. EGU Annual Meeting (invited)

Rockel, B., J. Roads, I. Meinke, I., W.J. Gutowski Jr., R.W. Arritt, and E.S. Takle, 2005: ICTS (Inter-CSE Transferability Study) of regional climate models within CEOP/GEWEX. Geophys. Res. Abstr. 7, 02373.

Takle, E.S., B. Rockel, W.J. Gutowski, Jr., J. Roads, I. Meinke, and R.W. Arritt, 2005: Transferability experiments for advancing the GEWEX agenda. 19th Conference on Hydrology. Amer. Meteor. Soc. San Diego, CA.

Publications 2000-2004
General Public
Takle, E.S., 2002: Warmer, Warmer. Earth's rising temperature isn't nonsense. Des Moines Register Op-ed. 23 June 2002. En Español

Refereed National and International Journals and Books
Hibbard, K., B.E. Law, M. Ryan, and E.S. Takle, 2004: Issues and advances in soil respiration: A workshop summary. EOS, 85, 220.

Jha, M., Z. Pan, E.S. Takle, R. Gu, 2004: Impact of climate change on stream flow in the Upper Mississippi River Basin: A regional climate model perspective. Journal of Geophysical Research, 109, D09105, doi:10.1029/2003JD003686

Pan, Z., R.W. Arritt, E.S. Takle, W.J. Gutowski, Jr., C.J. Anderson, and M. Segal, 2004: Altered hydrologic feedback in a warming climate introduces a "warming hole". Geophysical Research Letters 31, L17109, doi:10.1029/2004GL020528.

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

Takle, E. S., and Z. Pan, 2004: Climate Change and Crop Production: Challenges to Modeling Future Scenarios. In Lal, R., J. Duxbury, B. A. Stewart, and D. O. Hansen, 2003:, ed., Climate Change and Global Food Security. Marcel Dekker.

Sorensen, E. K., and E. S. Takle, 2004: A cross cultural cadence in E:knowledge-building with networked communities across disciplines and cultures. In The World Yearbook of Education 2004: Digital Technology, Communities and Education. Andrew Brown and Niki Davis (General Editors) (in press)

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

Chen, T.-C., W.-R. Huang, and E. S. Takle, 2004: Annual variation of midlatitude precipitation. J. Climate. 17, 4219-4298.

Takle, E. S., W. J. Massman, J. R. Brandle, R. A. Schmidt, R. Garcia, I. V. Litvina, X. Zhou, G. Doyle, and C. W. Rice, 2004: Influence of high-frequency ambient pressure pumping on carbon dioxide efflux from soil. Agric. Forest Meteor. 124, 193-206.

Sorensen, E.K., and E.S. Takle, 2003: A cross cultural cadence in E:knowledge-building with networked communities across disciplines and cultures. In Brown, A., and N. Davis, (Eds.) The World Yearbook of Education 2004: Digital Technology, Communities and Education. D. Coulby and C. Jones (Series Editors). Kogan Page, London.

Sorensen, E.K., and E.S. Takle, 2003: Learning through discussion and dialogue in computer supported collaborative networks. Society for Information Technology and Teacher Education International Conference 2003(1), 2504-2510. [Online]. Available: http://dl.aace.org/12261 . Vol. 2003, Issue. 1, 2003. pp. 2504-2510.

Zhou, X., J. R. Brandle, E. S. Takle, and C. W. Mize, 2003: Three-dimensional aerodynamic structure of a tree shelterbelt: Definition, characterization and working models. Agroforestry Systems (In Press)

Takle, E. S., 2003: Soil Management and Conservation: Windbreaks and Shelterbelts. In Hillel, D. ed., Encyclopedia of Soils in the Environment. Academic Press. London. pp. 340-346.

Sorensen, E. K. & Takle, E. S. (2003): Distribueret CSCL som global brobygning mellem fagdiscipliner og pædagogiske kulturer. In Mathiasen, H. (2003): Laeringsarenaer: IT og Læringsperspektiver. Copenhagen. Alinea.

Sorensen, E. K. and E. S. Takle, 2003: "Collaborative Knowledge Building in Web-based Learning: Assessing the Quality of Dialogue". International Journal on E-Learning (IJEL). Vol. 1, Issue: 1, 2002.

Takle, E. S., 2003: Agricultural Meteorology and Climatology. In Holton, J., J. Pyle, and J. Curry, Eds: Encyclopedia of Atmospheric Sciences. Academic Press. (Invited book chapter) p. 54-60.

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

Chen, T. C., and E. S. Takle, 2002: Reply to 'Comments on "Suppressing impact of the Amazonian deforestation by the global circulation change"', Bull. Amer. Meteor. Soc., 83, 1661-1663.

Knollhoff, D. S., E. S. Takle, W. A. Gallus, Jr., D. Burkheimer, and D. McCauley, 2002: Prediction of bridge deck frost by use of a simple numerical model. Meteor. Appl., 10, 337-343.

Gutowski, W. J. Jr., S. G. Decker, R. A. Donavon, Z. Pan, R. W. Arritt, and E. S. Takle, 2002: Temporal scale of precipitation errors in central US climate simulation. J. Climate, 16, 3841-3847.

Anderson, C. J., R. W. Arritt, E.S. Takle, Z. Pan, W. J. Gutowski, Jr., F. O. Otieno, R. da Silva, D. Caya, J. H. Christensen, D. Luthi, M. A. Gaertner, C. Gallardo, F. Giorgi, S.-Y. Hong, C. Jones, H.-M. H. Juang, J. J. Katzfey, W. M. Lapenta, R. Laprise, J. W. Larson, G. E. Liston, J. L. McGregor, R. A. Pielke, Sr., J. O. Roads, and J. A. Taylor, 2002: Hydrological processes in regional climate model simulations of the central US flood of June-July 1993. J. Hydrometeor., 4, 584-598.

Zhou, X., J. R. Brandle, E. S. Takle, and C. W. Mize, 2002: Estimation of the 3-dimensional aerodynamic structure of a green ash shelterbelt. Agric. For. Meteor., 111, 93-108.

Mize, C., W. Batchelor, E.Takle, J. Brandle, M. Egeh, and G, Horvath. 2002. Progress on modeling crop production under shelter. In: W. Schoeder and J. Kort (eds) Temperate agroforestry: Adaptive and mitigative roles in a changing physical and socio-economic climate. Proceedings, Seventh Biennial Conference on Agroforestry in North America, June 12-15, 2001, Regina, Saskatchewan. p. 221

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.

Takle, E. S., J. R. Brandle, R. A. Schmidt, R. Garcia, R. V. Litvina, W. J. Massman, X. Zhou, G. Doyle, and C. W. Rice, 2002: High-frequency pressure variations in the vicinity of a surface CO2 flux chamber. Agric. Forest Meteor., 114, 245-250.

Prusa, J., M. Segal, W. Gallus, Jr., and E. S. Takle, 2002: Conceptual and scaling evaluation of vehicle traffic thermal effect on road snow/ice. J. Appl. Meteor., 41, 1225-1240.

Takle, E. S., E. K. Sorensen, M. R. Taber, and D. Fils, 2001: Virtual portfolios: Lessons learned from 4 years of implementation. Seventh World Conference on Computers in Education: Networking the Learner. Copenhagen. 19 July 3 August. (Accepted for publication as a book chapter by Kluwer in 2002).

Pan, Z., R. W. Arritt, W. J. Gutowski, Jr., and E. S. Takle, 2001: Soil moisture in a regional climate model: simulation and projection. Geophys. Res. Lett., 28, 2947-2950.

Chen, T.-C., J.-H. Yoon, K. J. St. Croix, and E. S. Takle, 2001: Suppressing impacts of the Amazonian deforestation by the global circulation change. Bull. Amer. Meteor. Soc., 82, 2209-2216.

Pan, Z., J. H. Christensen, R. A. Arritt, W. J. Gutowski, Jr., E. S. Takle, and F. Otenio, 2001: Evaluation of uncertainties in regional climate change simulations. J. Geophys. Res., 106, 17,735-17,752.

Xi, Q., C. W. Mize, W.D. Batchelor, E. S. Takle, and I. V. Litvina, 2001: SBELTS: A model of soybean production under tree shelter. Agroforestry Systems, 52, 53-61.

Wang, H., E. S. Takle, and J. Shen, 2001: Shelterbelts and Windbreaks: Mathematical Modeling and Computer Simulation of Turbulent Flows. Ann. Rev. Fluid Mech., 33, 549-586. (Invited review paper)

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

Antle, J. M. Apps, R. Beamish, T. Chapin, W. Cramer, J. Frangi, J. Laine, Lin Erda, J. Magnuson, I. Noble, J. Price, T. Prowse, T. Root, E. Schulze, O. Sirotenko, B. Sohngen, J. Soussana, H. Bugmann, C. Egorov, M. Finlayson, R. Fleming, W. Fraser, L. Hahn, K. Hall, M. Howden, M. Hutchins, J. Ingram, Ju Hui, G. Masters, P. Megonigal, J. Morgan, N. Myers, R. Neilson, S. Page, C. Parmesan., J. Rieley, B. Roulet, G. Takle, J. van Minnen, D. Williams, T. Williamson, and K. Wilson, 2001: Chapter 5. Ecosystems and Their Goods and Services. Climate Change 2001: Impacts, Adaptation, and Vulnerability. Third Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge University Press. 1,032 pp.

Sorensen, E. K., E. S. Takle, M. R. Taber, and D. Fils, 2000: Structuring the Past, Present, and Future Through Virtual Portfolios. In Dirckinck-Holmfeld, L, and B. Fibiger, Eds.: Network for Learning Interactive Multimedia. Vol. 1: Learning in Virtual Environments. Forlaget Samfundslitteratur.

Takle, E. S., M. R. Taber, and D. Fils, 2000: An interdisciplinary internet course on Global Change for present and future decision-makers, 264-268. In A. Van der Beken, M. Mihailescu, P. Hubert, and J. Bogardi, 2000: Proceedings of the Learning Society and the Water Environment. European Commission Press, Luxembourg. 512 pp.

Takle, E. S, 2000: University instruction in observational techniques: Survey responses. Bull. Amer. Meteor. Soc., 81, 1319-1325.

Published Conference Presentations
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.

Takle, E. S., D. Herzmann, W. J. Gutowski, Jr., and D. Flory, 2004: Online portfolios: Applications for university education and research. 13th Conference on Education. Amer. Meteor. Soc., Seattle, WA.

Takle, E. S. , M. Jha, Z. Pan, and R. Gu, 2004: 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.

Takle, E. S., W. J. Gutowski, Jr., and R. W. Arritt, 2004: Transferability experiments for addressing challenges to understanding global water and energy budgets. Regional-Scale Climate Modeling Workshop. World Climate Research Programme. Lund Sweden.

Gutowski, W. J., Jr., E. S. Takle, and R. W. Arritt, 2004: Transferability experiments with RegCM3. ICTP Workshop on Regional Climate. Trieste Italy.

Greenfield, T. M., E. S. Takle, B. J. Tentinger, J. J. Alamo, D. Burkheimer, and D. McCauley, 2004: Bridge frost occurrence and prediction. Spokane, WA.

Takle, E. S., 2003: High-frequency pressure pumping of carbon dioxide from soils. Workshop on Issues and Advances in Soil Respiration. NIGEC/DOE, Boulder, CO.

Takle, E. S. W. J. Gutowski, Jr., and R. W. Arritt, 2003: Project to Intercompare Regional Climate Simulations: Contributions to transferability. Ninth Annual GEWEX Hydrometeorology Panel Meeting, Lüneberg Germany.

Takle, E. S., 2003: Impact of climate change on stream flow in the Upper Mississippi River Basin. Ninth Annual GEWEX Hydrometeorology Panel Meeting, Lüneberg Germany.

Takle, E. S., 2003: Carbon dioxide, climate change, and carbon sequestration. Workshop on Carbon Sequestration, Annual Meeting of Stockholders Basin Electric. Bismarck ND. 1,000 attendees. Invited presentation.

Sorensen, E. K., and E. S. Takle, 2003: Collaborative knowledge building in Web-based learning. Assessing the quality of dialogue. SITE 2002: Society for Information Technology and Teacher Education International Conference. Albuquerque NM. Invited address.

Temeyer, B. R., W. A. Gallus, E. S. Takle, T. M. Greenfield, and K. A. Jungbluth, 2003: Applications of a roadway frost prediction system in Iowa. 19th International Conference on Interactive Information Processing Systems (IIPS) for Meteorology, Oceanography, and Hydrology. Amer. Meteor. Soc., Long Beach.

Chen, T.-C., E. S. Takle, J.-H. Yoon, K. St. Croix, and P. Hsieh, 2003: Impacts on tropical South American rainfall due to changes in global circulation. Conference on Southern Hemisphere Meteorolgy, Amer. Meteor. Soc. New Zealand.

Arritt, R. W., Z. Pan, E. S. Takle, C. J. Anderson, W. J. Gutowski, Jr., and J. H. Christensen, 2003: Importance of mesoscale processes in climate change projections. IUGG meeting.

Takle, E. S., M. J. Falk, X. Zhou, and J. R. Brandle, 2003: Calibration and Applications of a Shelterbelt Turbulent Flow Model. International Conference on Wind Effects on Trees. Karlsruhe, Germany, September.

Greenfield, T. M., E. S. Takle, B. J. Tentinger, J. J. Alamo, D. Burkheimer, and D. McCauley, 2003: Bridge Frost: Observations and forecasts by numerical methods. Mid-Continent Transportation Research Symposium. Ames, August

Temeyer, B., W. A. Gallus, E. S. Takle, T. M. Greenfield, K. Jungbluth, D. Burkheimer, and D. McCauley, 2003: Using an artifical neural network to predict parameters for frost deposition on Iowa bridges. Mid-Continent Transportation Research Symposium. Ames, August.

Pan, Z., R. W. Arritt, E. S. Takle, W. J. Gutowski, Jr., C. J. Anderson, and J. H. Christensen, 2003: Role of mesoscale processes in climate change over the central United States. - a warming "hole". 10th Conference on Mesoscale Processes. Amer. Meteor. Soc. Portland OR. 23-27 June 2003.

Takle, E. S., Z. Pan, W. Batchelor, and J. H. Christensen, 2003: Two-way coupling of crop-climate interactions in a regional climate model. 17th Conference on Hydrology, Amer. Meteor. Soc., Long Beach, CA.

Pan, Z., R. Horton, M. Segal, E. Takle, D. Herzmann, D. Todey, D. Flory, and J. Roads, 2003: Seasonal soil moisture prediction using a climate-plant-soil coupled agroecosystem water management model. 17th Conference on Hydrology, Amer. Meteor. Soc., Long Beach, CA

Jha, M., Z. Pan, E. S. Takle, and R. Gu, 2003: Climate change induced streamflow in the Upper Mississippi River Basin. 14th Symposium on Global Change and Climate Variations. Amer. Meteor. Soc., Long Beach, CA

Takle, E. S., E. K. Sorensen, and D. Herzmann, 2003: Online dialog:What if you build it and they don't come? Proceedings, 12th Conference on Education, Amer. Meteor. Soc. Long Beach, CA.

Pan, Z., M. Jha, E.S. Takle, and R. Gu, 2002: Regional climate model based water quality assessment for climate change in the Upper Mississippi River Basin. Second ICTP Conf. on Detection and Modeling of Regional Climate Change.30 September- 4 October, 2002. Trieste, Italy.

Takle, E.S., Z. Pan, D. Miller, and J.H. Christensen, 2002: Impacts assessment confidence based on uncertainty propagation from a regional climate model to a crop yield model. Second ICTP Conf. on Detection and Modeling of Regional Climate Change. 30 September- 4 October, 2002. Trieste, Italy.

Arritt, R. W., J. M. Riese, M. E. Westgate, E. S. Takle, and M. J. Falk, 2002: Appliation of a lagrantian model for pollen dispersion. 15th Symposium on Boundary Layers and Turbulence. Amer. Meteor. Soc., Wageningen, Netherlands.

Todey, D. P., D. E. Herzmann, and E. S. Takle, 2002: The Iowa Environmental Mesonet combining observing systems into a single network. Sixth Symposium on Integrated Observing Systems. Amer. Meteor. Soc., Orlando, FL

Pan, Z., E. S. Takle, R. Horton, amd M Segal, 2002: Warm-seasonal soil moisture prediction using a coupled regional climate model. 16th Conference on Hydrology. American Meteorological Society, Orlando, FL.

Pan, Z. R. W. Arritt, W. J. Gutowski, Jr., E. S. Takle, C. J. Anderson, F. Otieno, R. da Silva, D. Caya, S.-C. Chen, J. H. Christensen, D. Luthi, M. Fox-Rabinovitz, M. A. Gaertner, F. Giorgi, G. Grell, S.-Y. Hong, C. Jones, H.-M. H. Juang, J. J. Katzfey, W. M. Lapenta, R. Laprise, G. Liston, J. L. McGregor, R. A. Pielke, Sr., J. O. Roads, and J. Taylor, 2002: On PIRCS models' precipitation parameterization efficiency: Consistency of dynamics with rainfall. 13th Symposium on Global Change and Climate Variations. Amer Meteor. Soc. Orlando, FL.

Takle, E. S., E. K. Sorensen, and D. Herzmann, 2002: Evaluating current capabilities and future research issues in the use of online course portfolios. A workshop to be presented at the Conference on Computer Support for Collaborative Learning 2002. Boulder CO.

Pan, Z., S. E. Bryant, E. S. Takle, R. W. Arritt, C. J. Anderson, and W. J. Gutowski, Jr., 2001: Verification and future-scenario projections of snow depth and soil moisture in a regional climate model. Eighth Scientific Assembly, International Association of Meteorology and Atmospheric Sciences, 10-18 July, Innsbruck.

Arritt, R. W., C. J. Anderson, W. J. Gutowski, Jr., E. S. Takle, Z. Pan, F. Otieno, M. de Castro, D. Caya, S.-C. Chen, J. H. Christensen, O. B. Christensen, M. Fox-Rabinovitz, M. A. Gaertner, F. Giorgi, G. Grell, S.-Y. Hong, C. Jones, H.-M. H. Juang, J. J. Katzfey, W. M. Lapenta, R. Laprise, J. W. Larson, G. Liston, D. Luethi, P. Marbaix, J. L. McGregor, R. A. Pielke, Sr., J. O. Roads, M. Rummukainen, and J. A. Taylor, 2001: A multi-model regional climate ensemble for the 1993 flood over the Central United States. Eighth Scientific Assembly, International Association of Meteorology and Atmospheric Sciences, 10-18 July, Innsbruck.

Kim, J., N. L. Miller, T.-K. Kim, R. W. Arritt, W. J. Gutowski, Jr., and E. S. Takle, 2001: Downscaled climate change scenario for the western U. S. using MAS-SPS Model nested within the HadCM2 scenario. 12th Symposium on Global Change Studies, Amer. Meteor. Soc., Albuquerque, NM.

Miller, N. I., , W.J. Gutowski Jr., Z. Pan, J. H. Christensen, R.K. Hartman, R.W. Arritt, E. S. Takle, and O. B. Christensen, 2001: Assessing California Streamflow under present day and a 2040 to 2049 climate change scenario. 12th Symposium on Global Change Studies, Amer. Meteorol. Soc., Albuquerque, NM.

Bryant, S. E., E. S. Takle, Z. Pan, C. J. Anderson, W. J. Gutowski, Jr., and R. W. Arritt, 2001: Evaluation of precipitation, snow-water equivalent, daily max/min temperatures and climate feedback in a regional climate model. European Geophysical Society XXVI General Assembly. Nice, France.

Arritt, R. W., C. J. Anderson, W. J. Gutowski, Jr., E. S. Takle, Z. Pan, F. Otieno, M. de Castro, D. Caya, S. C. Chen, J. H. Christensen, O. B. Christensen, M. Fox-Rabinovitz, M. A. Gaertner, F. Giorgi, G. Grell, S. Y. Hong, H. M. H. Juang, J. J. Katzfey, W. M. Lapenta, R. Laprise, J. Larson, G. Liston, D. Luethi, P. Marbaix, J. L. McGregor, R. A. Pielke, J. O. Roads, M. Rumrnukainen, and J. A. Taylor, 2001: Multi-model ensemble and intercomparison for the 1993 flood over the central USA. European Geophysical Society XXVI General Assembly. Nice, France.

Takle, E. S., J. R. Brandle, R. A. Schmidt, R. Garcia, I. V. Litvina, G. Doyle, X. Zhou, Q. Hou, C. W. Rice, and W. J. Massman, 2000: Pressure pumping of carbon dioxide from soil. 24th Conference on Agricultural and Forest Meteorology, Amer. Meteorol. Soc., Davis, CA.

Pan, Z., E.S. Takle, R. W. Arritt, and W. J. Gutowski, Jr., 2001: Changes in snow depth and soil moisture from regional model simulations of future scenario climates. 12th Symposium on Global Change Studies, Amer. Meteorol. Soc., Albuquerque, NM.

Knollhoff, D. S., E. S. Takle, W. A. Gallus, Jr., D. Burkheimer, D. McCauley, 2001: A model for forecasting frost accumulation on bridges that uses Roadway Weather Information System (RWIS) data. 17th International Conference on Interactive Information and Processing Systems (IIPS), Amer. Meteorol. Soc., Albuquerque, NM.

Temeyer, Brad, William A. Gallus, Jr., Eugene S. Takle, Dennis Burkheimer, and Diane McCauley, 2001: A winter weather index to estimate maintenance costs in the Midwest. 17th International Conference on Interactive Information and Processing Systems (IIPS), Amer. Meteorol. Soc., Albuquerque, NM.

Sorensen, E. K., and E. S. Takle, 2001: Collaborative knowledge building in Web-based learning. Assessing the quality of dialogue. EDMEDIA-2001: World Conference on Educational Multimedia, Hypermedia & Telecommunications. Tampere Finland.
{*Selected through peer review by the International Program Committee and final blind review by the Conference Program Chairs from over 1100 papers from 60 countries to receive the ED-MEDIA 2001 Best Paper Award.}

Takle, E. S., Z. Pan, R. W. Arritt, and W. J. Gutowski, Jr., 2001: Changes in snow depth and soil moisture from regional climate model simulations of future scenario climates. 12th Symposium on Global Change Studies, Amer. Meteor. Soc., Albuquerque, NM.

Takle, E. S., E. K. Sorensen, M. R. Taber, and D. Fils, 2001: Virtual portfolios: Lessons learned from 4 years of implementation. Seventh World Conference on Computers in Education: Networking the Learner. Copenhagen. 19 July - 3 August. (Accepted for publication as a book chapter by Kluwer in 2002).

Sorensen, E. K., and E. S. Takle, 2001: Impacts of putting requirements on dialog in CSCL. European Conference on Computer Supported Collaborative Learning 2001. Maastricht, Netherlands. 22-24 March.

Gutowski, W. J., R. W. Arritt, E. S. Takle and Z. Pan, 2000: Project to Intercompare Regional Climate Simulations (PIRCS): Lessons and Suggestions for ARCMIP. Arctic Model Intercomparison Project (ARCMIP) Planning Workshop, University of Alaska, 13-15 September 2000, Fairbanks, Alaska. [invited]

Gutowski, W. J., R. W. Arritt, E. S. Takle and Z. Pan, 2000: Project to Intercompare Regional Climate Simulations (PIRCS): Lessons and Suggestions for an Asian RMIP. Regional Climate Model Inter-comparison for Asia: Inception Workshop, Yonsei University, 26-29 June 2000, Seoul Korea. [invited]

Pan, Z., J.H. Christensen, R.W. Arritt, W.J. Gutowski, E.S. Takle, and F. Otieno, 2000: Contrasting biases in regional climate simulations to climate changes. International Conference & Young Scientist Workshop on Asian Monsoon Environmental System and Global Change.

Gutowski, W. J., Jr., R. W. Arritt, E. S. Takle, Z. Pan, F. Giorgi, J. H. Christensen, S. Y. Hong, W. M. Lapenta, G. E. Liston, J. McGregor, and J. O. Roads, 2000: Project to Intercompare Regional Climate Simulations (PIRCS): Advancing the CLIVAR Agenda. Exchanges: Newsletter of the Climate Variability and Predictability Programme (CLIVAR). 5 (4), 13-15.

Pan, Z., J. H. Christensen, R. W. Arritt, W. J. Gutowski, Jr., and E. S. Takle, 2000: Ten-year US regional climate simulations for impacts assessments. 11th Symposium on Global Change Studies. Amer Meteor. Soc., Long Beach, CA 9-14 January.

Arritt, R. W., W. J. Gutowski, Jr., E. S. Takle, Z. Pan, C. J. Anderson, R. R. da Silva, D. Caya, S.-C. Chen, J. H. Christensen, M. Fox-Rabinovitz, S.Y. Hong, H.-M. H. Juang, J. J. Katzfey, W. M. Lapenta, R. Laprise, G. Liston, J. McGregor, R. A. Pielke, Sr., J. O. Roads, 2000: Project to Intercompare Regional Climate Simulations (PIRCS): Simulation of the 1993 flood over the central U.S. 15th Conf. on Hydrology. Amer. Meteor. Soc., Long Beach, CA 9-14 January.

Gutowski, W. J., Jr., R. Wilby, L. E. Hay, C. J. Anderson, R. W. Arritt, M. P. Clark, G. H. Leavesley, Z. Pan, R. Silva, and E. S. Takle, 2000: Statistical and dynamical downscaling of global model output for US National Assessment hydrological analyses. 11th Symposium on Global Change Studies. Amer. Meteor. Soc., Long Beach, CA 9-14 January.

Arritt, R. W., R. Wilby, L. E. Hay, W. J. Gutowski, Jr., C. J. Anderson, M. P. Clark, G. H. Leavesley, Z. Pan, R. Silva, and E. S. Takle, 2000: Comparison of statistical and dynamical downscaling for evaluating climate change impacts on water resources. International Workshop on Climatic Change: Implications for the Hydrological Cycle and for Water Management. Wengen, Switzerland.

Publications 1995-1999
Refereed National and International Journals and Books
Wilby, R. L., L. E. Hay, W. J. Gutowki, Jr., R. W. Arritt, E.S. Takle, G. H. Leavesley, and M. Clark, 1999: Hydrological responses to dynamically and statistically downscaled general circulation model output. Geophys. Res. Lett. 27, 1199-1202.

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. McGregor, and J. O. Roads, 1999: Project to intercompare regional climate simulations (PIRCS): Description and initial results. J. of Geophysical Research, 104, 19,443 -19,462.

Pan, Z., E. S. Takle, M. Segal, and R. Arritt, 1999: 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, 104, 6515-6525.

Wang, H., G. Prabhu, and E. S. Takle, 1998: Parallelizing a very high resolution climate model using clusters of workstations with PVM and performance and load balance analyses. Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications, CSREA Press. pp. 1762-1765. (full anonymous peer review).

Takle, E. S, 1998: University instruction in observational techniques: Survey responses. Submitted to the Bulletin of the American Meteorological Society.

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, W. Gutowski, and R. Turner, 1998: Long simulation of regional climate as sequences of short segments. Mon. Wea. Rev. 127, 308-321.

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.

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.

Wang, H., and E. S. Takle, 1997: Momentum budget of boundary-layer flow perturbed by a shelterbelt. Boundary-Layer Meteorology 82, 417-435.

Wang, H., and E. S. Takle, 1997: Model simulated influences of shelterbelt shape on wind sheltering efficiency. Journal of Applied Meteorology 36, 695-704.

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, 1996: On three-dimensionality of shelterbelt structure and its influences on shelter effects. Boundary-Layer Meteorology 79, 83-105.

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, 1995: On the relationship between drag and pressure coefficients for a shelterbelt. Submitted to Boundary Layer Meteorology. 60 pp.

Takle E. S. and M. R. Taber, 1995: Teaching on the Internet:Experience with a Course on Global Change.Ag Bioethics Forum, 7, No.1, 6-7.

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: 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.

Wang, H., and E. S. Takle, 1995: Numerical simulations of shelterbelt effects on wind direction. Jl. Appl. Meteorol., 34, 2206-2219.

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.

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., 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.

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.

Conference Presentations
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.

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.

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.

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.

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.

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: "State of the art" of flexible learning (on/off campus). Invited presentation at Aalborg University, Denmark.

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: Climate Extremes and Crop Physiology. Aspen Global Change Institute: Ecological and Agricultural Consequences of Climatic Extremes. 13-22 August, Aspen Colorado. (Invited presentation)

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.

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.

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.

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.

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

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., 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.

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.

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. WMO Working Group on Numerical Experimentation report series "Research Activities in Atmospheric and Oceanic Modeling."

Takle, E. S., 1999: Future climate change and agriculture. Proceedings, 21st Annual Seed Technology Conference, Ames, IA.

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.

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.

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.

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.

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.

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.

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.

Takle, E. S., M. R. Taber, and D. Fils, 1998: Global Change Course on the Internet. AGU Spring Meeting.

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.

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.

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.

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.

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.

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

Takle, E. S., 1998: University Instruction in Observational Techniques: Survey Responses. Preprints, 7th Symposium on Education. Amer. Meteor. Soc., Phoenix.

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.

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.

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.

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.

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.

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.

El-Khabiry, S. H., and E. S. Takle, 1997: Learning calculus interactively on the internet. Symposium on Mathematics Instruction. University of Northern Iowa.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Takle, E. S., 1995: Project to intercompare regional climate simulations (PIRCS), preliminary workshop, 17-18 November 1994. Bull. Amer. Meteor. Soc., 76, 1625-1626.

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.

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.

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.

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.

Publications 1990-1994
Refereed National and International Journals and Books
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.

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.

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.

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)

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.

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.
o 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.

Takle, E. S., 1990: Bridge and roadway frost: Occurrence and prediction by use of an expert system. J. Appl. Meteorol., 29, 727-734.

Conference Presentations
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

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.

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)

Takle, E. S., 1994: Variability of Midwest summertime precipitation. Midwest Climate Change II (invited presentation). 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.

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.

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.

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.

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.

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.

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.

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.

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., 1992: Global change and the soybean industry. Proceedings, 21st Soybean Seed Research Conference, 1-18.

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., 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.

Takle, E. S., 1990: Global change: causes and effects. Proceedings, Twelfth Annual Seed Technology Conference, 3-27.

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.

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.

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.

Publications Relating to Web-Based Instruction
Sorensen, E. K., E. S. Takle, and H.M. Moser, 2006: Knowledge building quality in online communities of practice: Focusing on learning dialogue. Studies in Continuing Education: Special Issue on E-Learning (In press)

Sorensen, E. K. & Takle, E. S. (2003): Distribueret CSCL som global brobygning mellem fagdiscipliner og pædagogiske kulturer. In Mathiasen, H. (2003): Laeringsarenaer: IT og Læringsperspektiver. Copenhagen. Alinea. (In press).

Sorensen, E. K., and E. S. Takle, 2003: "Collaborative Knowledge Building in Web-based Learning: Assessing the Quality of Dialogue". International Journal on E-Learning (IJEL). Vol. 1, Issue: 1.

Takle, E. S., E. K. Sorensen, M. R. Taber, and D. Fils, 2002: Virtual portfolios: Lessons learned from 4 years of implementation: In Watson, D., and J. Andersen, eds, Networking the Learner. Kluwer Academic Publishers, Boston. Pp 135-142.

Sorensen, E. K., and E. S. Takle, 2003: Collaborative knowledge building in Web-based learning. Assessing the quality of dialogue. SITE 2002: Society for Information Technology and Teacher Education International Conference. Albuquerque NM. Invited address.

Takle, E. S., E. K. Sorensen, and D. Herzmann, 2003: Online dialog: What if you build it and they don't come? Proceedings, 12th Conference on Education, Amer. Meteor. Soc. Long Beach, CA.

Sorensen, E. K., and E. S. Takle, 2002b: Promoting and diagnosing collaborative knowledge-building in web-based learning: In search of the analytical unit. ED-MEDIA-2002: World Conference on Educational Multimedia, Hypermedia & Telecommunications. Denver CO.

Takle, E. S., E. K. Sorensen, and D. Herzmann, 2002a: Evaluating current capabilities and future research issues in the use of online course portfolios. A workshop to be presented at the Conference on Computer Support for Collaborative Learning 2002. Boulder CO.

Sorensen, E. K., and E. S. Takle, 2001b:Collaborative knowledge building in Wed-based learning: Assessing the quality of the dialog.EDMEDIA-2001: World Conference on Educational Multimedia, Hypermedia & Telecommunications. Tampere Finland. {Selected through peer review by the International Program Committee and final blind review by the Conference Program Chairs from over 1100 papers from 60 countries to receive the ED-MEDIA 2001 Best Paper Award.}

Sorensen, E. K., and E. S. Takle, 2001a: Impacts of putting requirements on dialog in CSCL.European Conference on Computer Supported Collaborative Learning 2001. Maastricht, Netherlands.

Takle, E. S., E. K. Sorensen, M. R. Taber, and D. Fils, 2001: Virtual portfolios: Lessons learned from 4 years of implementation. Seventh World Conference on Computers in Education: Networking the Learner. Copenhagen. (Accepted for publication as a book chapter by Kluwer in 2002).

Sorensen, E. K., E. S. Takle, M. R. Taber, and D. Fils, 2000: Structuring the Past, Present, and Future Through Virtual Portfolios. In Dirckinck-Holmfeld, L, and B. Fibiger, Eds.: Network for learning interactive multimedia. Vol. 1: Learning in Virtual Environments. Forlaget Samfundslitteratur.

Takle, E. S., M. R. Taber, and D. Fils, 2000: An interdisciplinary internet course on Global Change for present and future decision-makers, 264-268. In A. Van der Beken, M. Mihailescu, P. Hubert, and J. Bogardi, 2000: Proceedings of the Learning Society and the Water Environment. European Commission Press, Luxembourg. 512 pp.

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. 11 pp.

Sorensen, E. K., E. S. Takle, M. R. Taber, and D. Fils, 1999: Distributed collaborative learning across disciplines and national borders: Structuring through virtual portfolios. Engaging Partnerships: The Inter-American Distance Education Consortium. (On line proceedings)

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 Presentation. International Symposium on the Learning Society and the Water Environment. Paris.

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.

Takle, E. S., 1998: Global change instruction on the Internet: Multi-lingual extensions. Science Forum, Inter-American Institute on Global Change Research. Arlington, VA.

Takle, E. S., M. R. Taber, and D. Fils, 1998: Global Change Course on the Internet. AGU Spring Meeting. Boston.

Takle, E. S., 1998: University Instruction in Observational Techniques: Survey Responses. Preprints, 7th Symposium on Education. Amer. Meteor. Soc., Phoenix.

Taber, M. R., E. S. Takle, and D. Fils, 1997: Use of the internet for student self-managed learning. Preprints, Sixth Symposium on Education. Amer. Meteor. Soc., Long Beach, CA.

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, CA.

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.

Takle, E. S., and M. R. Taber, 1996: Use of the Internet as a platform for a university course on global change. Preprints, Fifth Symposium on Education, Atlanta. Amer. Meteor. Soc., J33-J34.

Takle, E. S., and M. R. Taber, 1995: Teaching a course on the Internet: Experience with a course on Global Change. Ag Bioethics Forum, 7, 6-7.