Tracy E Twine

Associate Professor

  • 1991 Upper Buford Circle, 439 Borlaug Hall, Borlaug Hall

    St Paul

    United States

Willing to speak to media


Research output per year

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Personal profile

Research interests

I study how human land use and climate affect the structure and functioning of natural and managed ecosystems. I use numerical models to predict how forests, grasslands, and croplands respond to changes in climate means as well as extreme weather (e.g., droughts) and increases in greenhouse gas concentrations. I am currently predicting how the conversion of current cropland for bioenergy production could impact water resources. I'm also focusing on Minnesota to evaluate how climate might change in the state and what this means for locations that are currently threatened for water shortages or may become threatened. I have also been comparing the urban heat islands of the top 100 most populous cities around the world, and have been characterizing the urban heat island of the Minneapolis-Saint Paul metropolitan region with the goal of mitigating urban warming to develop cities that are best able to adapt to climate change.

Education/Academic qualification

PhD, University of Wisconsin

Award Date: May 14 2004

MS, University of Wisconsin

Award Date: Dec 19 1998

BS, Pennsylvania State University

Award Date: May 7 1994

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Research Output

Simulation of maize evapotranspiration: An inter-comparison among 29 maize models

Kimball, B. A., Boote, K. J., Hatfield, J. L., Ahuja, L. R., Stockle, C., Archontoulis, S., Baron, C., Basso, B., Bertuzzi, P., Constantin, J., Deryng, D., Dumont, B., Durand, J. L., Ewert, F., Gaiser, T., Gayler, S., Hoffmann, M. P., Jiang, Q., Kim, S. H., Lizaso, J. & 15 others, Moulin, S., Nendel, C., Parker, P., Palosuo, T., Priesack, E., Qi, Z., Srivastava, A., Stella, T., Tao, F., Thorp, K. R., Timlin, D., Twine, T. E., Webber, H., Willaume, M. & Williams, K., Jun 15 2019, In : Agricultural and Forest Meteorology. 271, p. 264-284 21 p.

Research output: Contribution to journalArticle

  • 10 Scopus citations

    How accurately do maize crop models simulate the interactions of atmospheric CO2 concentration levels with limited water supply on water use and yield?

    Durand, J. L., Delusca, K., Boote, K., Lizaso, J., Manderscheid, R., Weigel, H. J., Ruane, A. C., Rosenzweig, C., Jones, J., Ahuja, L., Anapalli, S., Basso, B., Baron, C., Bertuzzi, P., Biernath, C., Deryng, D., Ewert, F., Gaiser, T., Gayler, S., Heinlein, F. & 17 others, Kersebaum, K. C., Kim, S. H., Müller, C., Nendel, C., Olioso, A., Priesack, E., Villegas, J. R., Ripoche, D., Rötter, R. P., Seidel, S. I., Srivastava, A., Tao, F., Timlin, D., Twine, T., Wang, E., Webber, H. & Zhao, Z., Oct 2018, In : European Journal of Agronomy. 100, p. 67-75 9 p.

    Research output: Contribution to journalArticle

  • 30 Scopus citations

    Assessing the potential to decrease the Gulf of Mexico hypoxic zone with Midwest US perennial cellulosic feedstock production

    Vanloocke, A., Twine, T. E., Kucharik, C. J. & Bernacchi, C. J., May 1 2017, In : GCB Bioenergy. 9, 5, p. 858-875 18 p.

    Research output: Contribution to journalArticle

    Open Access
  • 14 Scopus citations

    Effects of land use change for crops on water and carbon budgets in the Midwest USA

    Sun, J., Twine, T. E., Hill, J., Noe, R., Shi, J. & Li, M., 2017, In : Sustainability (Switzerland). 9, 2, 225.

    Research output: Contribution to journalArticle

    Open Access
  • 5 Scopus citations
  • 14 Scopus citations