Tapan B. Pathak

Specialist in Climate Adaptation in Ag
UC Merced - Sierra Nevada Research Institute
5200 N. Lake Road
Merced, CA 95343
tpathak@ucanr.edu Create VCard


Ph.D. Agricultural Engineering, University of Florida. 2010
M.S. Irrigation Engineering, Utah State University. 2004
B.S. Agricultural Engineering, Gujarat Agricultural University. 2000


  • Leadership Award
    Presented by California Climate and Agriculture Network (CalCAN),  2019


Applied climate in agriculture

Areas of Expertise (click to see all ANR academics with this expertise)


Peer Reviewed

  • Parker, Lauren E.; Zhang, Ning; Abatzoglou, John T.; Ostoja, Steven M.; Tapan B. Pathak 3, 6 (2022). Observed Changes in Agroclimate Metrics Relevant for Specialty Crop Production in California. Agronomy.
  • Eriksson, Max; Safeeq, Mohammad; Pathak, Tapan; Egoh, Benis; Bales, Roger (2022). Using stakeholder-based fuzzy cognitive mapping to assess benefits of restoration in wildfire-vulnerable forests. Restoration Ecology. July 21.
  • McKuin, B., A. Zumkehr, J. Ta, R. Bales, J.H. Viers, T. Pathak, and J.E. Campbell. 2021. Energy and water co-benefits from covering canals with solar panels. Nature Sustainability https://doi.org/10.1038/s41893-021-00693-8.

  • Parker, L.; Pathak, T.; Ostoja, S. Climate change reduces frost exposure for high-value California orchard crops. Sci. Total Environ. 2021762, 143971.

  • Zhang, N., T.B. Pathak, L.E. Parker, SM Ostoja. 2021. Impacts of large-scale teleconnection indices on chill accumulations for specialty Crops in California. Science of the Total Environment.791:48025. https://doi.org/10.1016/j.scitotenv.2021.148025

  • Pathak, T.B.; Maskey, M.L.; Rijal, J.P. (2020). Impact of climate change on navel orangeworm, a major pest of tree nuts in California. Science of the total environment. 755:142657.
  • Heeren, Alexander; Pathak, Tapan B.; Matlock, Teenie; Conklin, Martha (2019). Public Perceptions of California's Exceptional Drought. Journal of the American Water Resources Association (JAWRA). JAWRA-18-0099-N.
  • Maskey, ML; Pathak, TB; Dara, SK (2019). Weather Based Strawberry Yield Forecasts at Field Scale Using Statistical and Machine Learning Models. Atmosphere. 10 (7), 378.
  • Pathak, Tapan B.; Stoddard, Scott C. (2018). Climate change effects on the processing tomato growing season in California using growing degree day model. Modeling Earth Systems and Environment. 4:2, 765–775. https://link.springer.com/article/10.1007/s40808-018-0460-y#citeas
  • T.B., Pathak; M.L., Maskey; J.A., Dahlberg; F, Kearns; K.M., Bali; D, and Zaccaria (2018). Climate Change Trends and Impacts on California Agriculture: A Detailed Review. Agronomy. 8:25.
  • Hall, A.; Berg, N.; Reich, K.; Antos, M.; Ban-Weiss, G.; Biscaro, A.; Bornstein, S.; Cha, J.; Daugovish, O.; Faber, B.; Fournier, E.; Gallien, T.; Gillespie, T.; Haver, D.; Kerr, A.; Lederman, J.; Mandelbaum, C.; Matsuoka, M; Matute, J.; Nueno, F.; Parfrey, J.; Pathak, T.; Pincetl, S.; Porse, E.; Rhoades, E.; Sadd, J.; Saide, P.; Schubel, J.; Shamasunder, B. (2018). Los Angeles Summary Report. California’s Fourth Climate Change Assessment. Publication number: SUM-CCCA4-2018-007.
  • Pathak, TB; Dara, S; Biscaro, A (2016). "Evaluating Correlations and Development of Meteorology Based Yield Forecasting Model for Strawberry." Advances in Meteorology(http://dx.doi.org/10.1155/2016/9525204)
  • Ojima, D.S.; Steiner, J.; McNeeley, S.; o, K. Coze; Childress., A.N.; Cole, A.; Brown, J.; Collins, G.; Ferris, L.; Gough, B.; Gross, J.; Hestbeck, J.; Kluck, D.; McMullen, R.; Leaf, J. Ra ling; Shafer, M.; Shulski, M.; Yarbrough, J.; Drummond, M.; Morgan, J.; Howell, T.; Markstrom, S.; Lazrus, H.; Averyt, K.; Skagens, S.; Kunkel, K.; Stevens, L.; Stevens, S.; Kruk, M.; Thomas, D.; Janssen, E.; Hubbard, K.; Umphle, N.; Robbins, K.; Romolo, L.; Akyuz, A.; Pathak, T.; Beragntino, T.; Wood, E.; Miller, K.; Gascoigne, B.; Tellinghouse, S.; Tidwell, V.; Aldridge, C.; Rose, M.; Wellings, L.; Brown, T.; Ramirez, J. (2015). Great Plains Regional Technical Input Report. Island Press.
  • Pathak, T.B.; Bernadt, T. B.; Umphlett, N. (2014). "Climate Masters of Nebraska: Innovative Action Based Approach towards Climate Change Education." Journal of Extension 52(1IAW1)
  • K.E., Kunkel; Stevens, L.E.; Stevens, S.E.; Sun, L.; Janssen, E.; Wuebbles, D.; Kruk, M.C.; Thomas, D.P.; Shulski, M.; Umphlett, N.A.; Hubbard, K.G.; Robbins, K.; Romolo, L.; Akyuz, A.; Pathak, T.B.; Bergantino, T.R.; Dobson, and J.G. (2013). Regional Climate Trends and Scenarios for the U.S. National Climate Assessment, Part 4: Climate of the U.S. Great Plains.N. Report. NESDIS 142-4.
  • Pathak, T.B.; Hubbard, K.G.; Shulski, and M. (2013). "Soil Temperature: A guide for planting agronomic and horticulture crops in Nebraska." Neb Guide G2122
  • Van Liew, M.W.; Feng, S.; Pathak, T.B. (2012). "Climate Change Impacts on Streamflow, Water Quality, and Best Management Practices for the Shell and Logan Creek Watersheds in Nebraska." International Journal of Agricultural and Biological Engineering 5(1): 13-34.
  • Shulski, M.D.; Umhplett, N. A.; Pathak, T.B.; Hubbard, and K.G. (2012). "Climate Change: What does it mean for Nebraska?" NebGuide: G2208.
  • Pathak, T.B.; Jones, J.W.; Fraisse, and C.W. (2012). "Cotton yield forecasting for the southeastern United States using climate indices." Applied Engineering in Agriculture 28(5): 711-723.
  • Pathak, T.B.; Jones, J.W.; Fraisse, C.W.; Wright, D.L; Hoogenboom, and G. (2012). "Uncertainty analysis and parameter estimation for the CSM-CROPGRO-Cotton model." Agronomy Journal 104: 1356-1362.
  • Lieu, Van; M.W., S. Feng; Pathak, T.B. (2011). "Assessing climate change impact on runoff and water quality at the field scale for four locations in the Heartland." Transaction of ASABE 56(3): 883-900.
  • Pathak, TB; Fraisse, CW; Jones, JW; Messina, CD; Hoogenboom, G (2007). "Use of global sensitivity analysis for CROPGRO cotton model development." Transactions of the ASABE 50(6): 2295-2302.
  • Fraisse, CW; Baigorria, G; Pathak, T.B. (2006). "Spatial analysis of freeze events in Florida." Proceeding Florida State Horticulture Society 119: 94-99.

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