Articles | Volume 26, issue 4
Hydrol. Earth Syst. Sci., 26, 1145–1164, 2022
https://doi.org/10.5194/hess-26-1145-2022
Hydrol. Earth Syst. Sci., 26, 1145–1164, 2022
https://doi.org/10.5194/hess-26-1145-2022

Research article 28 Feb 2022

Research article | 28 Feb 2022

Combined impacts of uncertainty in precipitation and air temperature on simulated mountain system recharge from an integrated hydrologic model

Adam P. Schreiner-McGraw and Hoori Ajami

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Cited articles

Abatzoglou, J. T.: Development of gridded surface meteorological data for ecological applications and modelling, Int. J. Climatol., 33, 121–131, https://doi.org/10.1002/joc.3413, 2013. 
Ajami, H., Troch, P. A., Maddock, T., Meixner, T., and Eastoe, C.: Quantifying mountain block recharge by means of catchment-scale storage-discharge relationships, Water Resour. Res., 47, 1–14, https://doi.org/10.1029/2010WR009598, 2011. 
Ajami, H., Meixner, T., Dominguez, F., Hogan, J., and Maddock, T.: Seasonalizing Mountain System Recharge in Semi-Arid Basins-Climate Change Impacts, Hydrol. Process., 50, 585–597, https://doi.org/10.1111/j.1745-6584.2011.00881.x, 2012. 
Ajami, H., McCabe, M. F., Evans, J. P., and Stisen, S.: Assessing the impact of model spin-up on surface water-groundwater interactions using an integrated hydrologic model, Water Resour. Res., 50, 2636–2656, https://doi.org/10.1002/2013WR014258, 2014. 
Ajami, H., McCabe, M. F., and Evans, J. P.: Impacts of model initialization on an integrated surface water-groundwater model, Ground Water, 29, 3790–3801, https://doi.org/10.1002/hyp.10478, 2015. 
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Short summary
We assess the impact of uncertainty in measurements of precipitation and air temperature on simulated groundwater processes in a mountainous watershed. We illustrate the role of topography in controlling how uncertainty in the input datasets propagates through the soil and into the groundwater. While the focus of previous investigations has been on the impact of precipitation uncertainty, we show that air temperature uncertainty is equally important in controlling the groundwater recharge.