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

  • Jagannathan K, Pathak TB and Doll D (2023) Are long-term climate projections useful for on-farm adaptation decisions? Front. Clim. 4:1005104. doi: 10.3389/fclim.2022.1005104

  • Johnson, D.; Parker, L.E.; Pathak, T.B.; Crothers, L.; Ostoja, S.M. Technical Assistance Providers Identify Climate Change Adaptation Practices and Barriers to Adoption among California Agricultural Producers. Sustainability 2023, 15, 5973. https://doi.org/10.3390/su15075973

  • Eriksson, M., Safeeq, M., Padilla, L., Pathak, T., O'Geen, T., Egoh, B., Lugg, J. and Bales, R., 2023. Drivers of social acceptance of natural-resource management: A comparison of the public and professionals in California. Journal of Environmental Management, 345, p.118605.

  • Prakash Kumar Jha, Ning Zhang, Jhalendra P. Rijal, Lauren E. Parker, Steven Ostoja, Tapan B. Pathak, Climate change impacts on insect pests for high value specialty crops in California,
    Science of The Total Environment, Volume 906, 2024, 167605, ISSN 0048-9697, https://doi.org/10.1016/j.scitotenv.2023.167605.

  • Parker, L. E., Johnson, D., Pathak, T. B., Wolff, M., Jameson, V., and Ostoja, S. M. (2023). Adaptation Resources Workbook for California Specialty Crops. USDA California Climate Hub Technical Report CACH-2023-1. Davis, CA: U.S. Department of Agriculture, Climate Hubs. 55 p.

  • Mallappa, Vinaya Kumar Hebsale; Pathak, Tapan B. (2023). Climate smart agriculture technologies adoption among small-scale farmers: a case study from Gujarat, India. Frontiers in Sustainable Food System. 7.
  • Parker, Lauren E.; Zhang, Ning, et al. (2022). Observed Changes in Agroclimate Metrics Relevant for Specialty Crop Production in California. Agronomy.
  • Eriksson, Max; Safeeq, Mohammad, et al. (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., et al. (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., et al. (2019). Public Perceptions of California's Exceptional Drought. Journal of the American Water Resources Association (JAWRA). JAWRA-18-0099-N.
  • Maskey, ML; Pathak, TB, et al. (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, et al. (2018). Climate Change Trends and Impacts on California Agriculture: A Detailed Review. Agronomy. 8:25.
  • Hall, A.; Berg, N., et al. (2018). Los Angeles Summary Report. California’s Fourth Climate Change Assessment. Publication number: SUM-CCCA4-2018-007.
  • Pathak, TB; Dara, S, et al. (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., et al. (2015). Great Plains Regional Technical Input Report. Island Press.
  • Pathak, T.B.; Bernadt, T. B., et al. (2014). "Climate Masters of Nebraska: Innovative Action Based Approach towards Climate Change Education." Journal of Extension 52(1IAW1)
  • K.E., Kunkel; Stevens, L.E., et al. (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., et al. (2013). "Soil Temperature: A guide for planting agronomic and horticulture crops in Nebraska." Neb Guide G2122
  • Van Liew, M.W.; Feng, S., et al. (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., et al. (2012). "Climate Change: What does it mean for Nebraska?" NebGuide: G2208.
  • Pathak, T.B.; Jones, J.W., et al. (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., et al. (2012). "Uncertainty analysis and parameter estimation for the CSM-CROPGRO-Cotton model." Agronomy Journal 104: 1356-1362.
  • Lieu, Van; M.W., S. Feng, et al. (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, et al. (2007). "Use of global sensitivity analysis for CROPGRO cotton model development." Transactions of the ASABE 50(6): 2295-2302.
  • Fraisse, CW; Baigorria, G, et al. (2006). "Spatial analysis of freeze events in Florida." Proceeding Florida State Horticulture Society 119: 94-99.

ANR Workgroup Associations

Return to People