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Tyson Ochsner

soil moisture, Mesonet, plant available water, ET, evapotranspiration, MOISST, FieldCaster, soil physics, soil water

Sarkey's Distinguished Professor

Specialization: evapotranspiration; soil physics; soil water

Department: Plant and Soil Sciences

Websites:
Canopeo
Soil Moisture Portal
Soil Physics

Faculty Spotlight: Tyson Ochsner (September 2018 Currents newsletter)

Plant Available Water

Dr. Tyson Ochsner explains the online plant available water tool and how it can help crop producers make planting decisions on SUNUP.

Research/Extension Specialty Areas:

  • Soil Moisture Monitoring
  • Applications of Soil Moisture Data
  • Soil Physical Properties and Processes

Research/Extension Projects:

  • Wildfire probability mapping based on regional soil moisture models
  • Adapting socio-ecological systems to increased climate variability
  • Resilience and vulnerability of beef production in the Southern Great Plains under changing climate, land use and markets
  • Soil moisture based drought monitoring for the south central region
  • FieldCaster: In-Season Crop Forecasting Service for Mobile Devices

Center-funded Projects:

Recent Publications:

  • Acharya, B.S., Y. Hao, T.E. Ochsner and C.B. Zou. 2017. Woody plant encroachment alters soil hydrological properties and reduces downward flux of water in tallgrass prairie. Plant Soil 414: 379-391.
  • Krueger, E.S., T.E. Ochsner, S.M. Quiring, D.M. Engle, J.D. Carlson, D. Twidwell and S.D. Fuhlendorf. 2017. Measured soil moisture is a better predictor of large growing-season wildfires than the Keetch–Byram Drought Index. Soil Sci. Soc. Am. J. 81: 490-502. doi:10.2136/sssaj2017.01.0003.
  • Krueger, E.S., Y.T. Yimam and T.E. Ochsner. 2017. Human factors were dominant drivers of record low streamflow to a surface water irrigation district in the US Southern Great Plains. Agricultural Water Management 185: 93-104. doi:http://dx.doi.org/10.1016/j.agwat.2017.01.018.
  • Lollato, R.P., J.T. Edwards and T.E. Ochsner. 2017. Meteorological limits to winter wheat productivity in the U.S. Southern Great Plains. Field Crops Research 203: 212-226. doi:http://dx.doi.org/10.1016/j.fcr.2016.12.014.
  • Ochsner, T.E. and J.S. Robinson. 2017. The impact of a social interaction technique on students' confidence and competence to apply stem principles in a college classroom. NACTA Journal 61: 14.
  • Ochsner, T.E., T.W. Schumacher, R.T. Venterea, G.W. Feyereisen and J.M. Baker. 2017. Soil water dynamics and nitrate leaching under corn–soybean rotation, continuous corn, and kura clover. Vadose Zone J. doi:10.2136/vzj2017.01.0028.
  • Peng, X., Y. Wang, J. Heitman, T. Ochsner, R. Horton and T. Ren. 2017. Measurement of soil-surface heat flux with a multi-needle heat-pulse probe. Eur. J. Soil Sci. 68: 336-344. doi:10.1111/ejss.12421.
  • Wang, Y., T. Ochsner, J. Heitman, R. Horton, X. Xue and T. Ren. 2017. Weighing lysimeter data confirm the accuracy and precision of the heat-pulse technique for measuring daily soil evaporation. Soil Sci. Soc. Am. J. 81: 1074-1078. doi:10.2136/sssaj2017.02.0049.
  • Wyatt, B.M., T.E. Ochsner, C.A. Fiebrich, C.R. Neel and D.S. Wallace. 2017. Useful drainage estimates obtained from a large-scale soil moisture monitoring network by applying the unit-gradient assumption. Vadose Zone J. 16. doi:10.2136/vzj2017.01.0016.
  • Yimam, Y.T., T.E. Ochsner and G.A. Fox. 2017. Hydrologic cost-effectiveness ratio favors switchgrass production on marginal croplands over existing grasslands. PLOS ONE 12: e0181924. doi:10.1371/journal.pone.0181924.
  • Zhang, N., S. Quiring, T. Ochsner and T. Ford. 2017. Comparison of three methods for vertical extrapolation of soil moisture in Oklahoma. Vadose Zone J. 16. doi:10.2136/vzj2017.04.0085.

Specialty Area Workshops/Conferences Organized and/or Attended:

  • Workshop at Marena, Oklahoma, In Situ Sensor Testbed (MOISST)