Richard Pascal Fiorella portrait
  • Adjunct Assistant Professor, Geology & Geophysics

Research Keywords

  • Water Cycle
  • Stable Isotopes
  • Climatology
  • Carbon Cycle


  • Guo, J., Allen, S.T., Fiorella, R.P., Still, C.J., Anderegg, W.R.L., and Bowen, G.J. Vertical partitioning of root distributions correlated with ecophysiological characteristics: Initial results from NEON megapit data. Poster presentation, American Geophysical Union Fall Meeting, virtual. December 1-17. Poster, Presented, 12/01/2020.
  • Department Seminar, Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University. Invited Talk/Keynote, Presented, 11/02/2020.
  • DeFord Lecture, Department of Geological Sciences, Jackson School of Geosciences, University of Texas at Austin. Invited Talk/Keynote, Presented, 11/2018.

Software Titles

  • SPATIAL-Lab/NEONiso. NEONiso: Automated calibration of NEON atmospheric water vapor and carbon dioxide isotope ratios. Release Date: 05/22/2020. Inventors: Rich Fiorella.


  • Kannenberg, Steven A, Fiorella, Richard P., Anderegg, W.R.L., Monson, R.K. & Ehleringer, J.R. (2020). Seasonal and diurnal trends in progressive isotope enrichment along needles in two pine species. Plant, Cell, and Environment. Vol. 44, 13. Published, 10/15/2020.
  • Aron, Phoebe, Poulsen, Christopher J., Fiorella, Richard P., Matheny, Ashley M. & Veverica, Timothy J. (2020). An isotopic approach to partition evapotranspiration in a mixed deciduous forest. Ecohydrology. Published, 05/29/2020.
  • Aron P., Poulsen C., Fiorella R. & Matheny A. (2019). Stable Water Isotopes Reveal Effects of Intermediate Disturbance and Canopy Structure on Forest Water Cycling. (pp. 2958-2975). Vol. 124. Journal of Geophysical Research: Biogeosciences. Published, 10/01/2019.
  • Fiorella R., Bares R., Lin J. & Bowen G. (2019). Wintertime decoupling of urban valley and rural ridge hydrological processes revealed through stable water isotopes. (pp. 337-348). Vol. 213. Atmospheric Environment. Published, 09/15/2019.
  • Putman A., Fiorella R., Bowen G. & Cai Z. (2019). A Global Perspective on Local Meteoric Water Lines: Meta-analytic Insight Into Fundamental Controls and Practical Constraints. (pp. 6896-6910). Vol. 55. Water Resources Research. Published, 08/01/2019.
  • Bowen G., Cai Z., Fiorella R. & Putman A. (2019). Isotopes in the water cycle: Regional- to global-scale patterns and applications. (pp. 453-479). Vol. 47, Annual Review of Earth and Planetary Sciences. Published, 05/30/2019.
  • Fiorella R., West J. & Bowen G. (2019). Biased estimates of the isotope ratios of steady-state evaporation from the assumption of equilibrium between vapour and precipitation. (pp. 2576-2590). Vol. 33. Hydrological Processes. Published, 01/01/2019.
  • Jameel Y., Brewer S., Fiorella R., Tipple B., Terry S. & Bowen G. (2018). Isotopic reconnaissance of urban water supply system dynamics. (pp. 6109-6125). Vol. 22. Hydrology and Earth System Sciences. Published, 11/28/2018.
  • Fiorella R., Poulsen C. & Matheny A. (2018). Seasonal Patterns of Water Cycling in a Deep, Continental Mountain Valley Inferred From Stable Water Vapor Isotopes. (pp. 7271-7291). Vol. 123. Journal of Geophysical Research: Atmospheres. Published, 07/27/2018.
  • Fiorella R., Bares R., Lin J., Ehleringer J. & Bowen G. (2018). Detection and variability of combustion-derived vapor in an urban basin. (pp. 8529-8547). Vol. 18. Atmospheric Chemistry and Physics. Published, 06/18/2018.
  • Matheny A., Fiorella R., Bohrer G., Poulsen C., Morin T., Wunderlich A., Vogel C. & Curtis P. (2017). Contrasting strategies of hydraulic control in two codominant temperate tree species. Vol. 10. Ecohydrology. Published, 04/01/2017.
  • Skinner C., Poulsen C., Chadwick R., Diffenbaugh N. & Fiorella R. (2017). The role of plant CO2 physiological forcing in shaping future daily-scale precipitation. (pp. 2319-2340). Vol. 30. Journal of Climate. Published, 01/01/2017.
  • Fiorella R. & Sheldon N. (2017). Equable end mesoproterozoic climate in the absence of high CO2. (pp. 231-234). Vol. 45. Geology. Published, 01/01/2017.