Highlighted Publications

Leveraging structural differences in modelling approaches to learn about hydrologic drivers

The representations we use when analyzing data and modeling systems completely determine the questions we can ask. Any modeling approach may be highly suitable for learning certain things about a system but completely unsuitable for others. We explore how three different modeling approaches (one lumped water balance method and two machine learning methods) can improve understanding of catchment-scale hydrological processes across Chile.

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Projecting Warming induced groundwater losses across the US

Using a high-resolution groundwater surface water model for the US we quantify the groundwater losses caused by increased plant water use in a warmer future. Warming results in increased aridification in North America and reduced groundwater surface water connections. When shallow groundwater is present it can buffer plant water stress but not indefinitely. Once this storage is depleted it does not easily recover. In the western US where groundwater is already deeper, there is a weaker connection between warming and storage loss.

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Where is the bottom of a watershed?

Turns out it depends who you ask!  There is great variability across the earth science community in their treatment of the subsurface both in how they handle the lower boundary condition and where they place it.  This commentary explores approaches across our communities and outlines a path forward.

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Complete Publication List Peer Reviewed Publications

Technical Reports

  • Payton, EA, AO Pinson, T Asefa, LE Condon, L-AL Dupigny-Giroux, BL Harding, J Kiang, DH Lee, SA McAfee, JM Pflug, I Rangwala, HJ Tanana, DB Wright (2023). Ch. 4. Water. Fifth National Climate Assessment. Crimmins, AR, CW Avery, DR Easterling, KE Kunkel, BC Stewart, TK Maycock, Eds. U.S. Global Change Research Program, Washington, DC, USA.
  • Condon, LE, J Ruiz, P Antin, LA Ikner, J Buizer, SB Megdal, S Collinge, KJ Ptten, NL Esquerra (2023). The Future of Agriculture & Food Production in a Drying Climate. Presidential Advisory Commission Report, August 2023.
  • Maxwell, RM, SJ Kollet, SG Smith, CS Woodward, RD Falgout, IM Ferguson, N Engdahl, LE Condon, S Lopez, J Gilbert, L Bearup, J Jefferson, C Prubilick, C Baldwin, WJ Bosl, R Hornung, and S Ashby (2014). ParFlow User’s Manual, International Ground Water Modeling Center, GMWI 2014-01 v.693.
  • Condon, LE, K Blickenstaff, and S Gangopadhyay (2013). Mojave River Watershed Climate Change Assessment. US Department of the interior, Bureau of Reclamation, Technical Memorandum No. 86-68210-2013-04.
  • Blickenstaff, K, SG Gangopadhyay, I Ferguson, LE Condon, and T Pruitt (2013).  Climate Change Analysis for the Santa Ana River Watershed. US Department of the Interior, Bureau of Reclamation, Technical Memorandum No. 86-68210-2013-02.