Articles | Volume 25, issue 10
Hydrol. Earth Syst. Sci., 25, 5425–5446, 2021
https://doi.org/10.5194/hess-25-5425-2021
Hydrol. Earth Syst. Sci., 25, 5425–5446, 2021
https://doi.org/10.5194/hess-25-5425-2021

Research article 12 Oct 2021

Research article | 12 Oct 2021

Numerical daemons of hydrological models are summoned by extreme precipitation

Peter T. La Follette et al.

Data sets

Data for La Follette et al (Numerical Daemons and extreme precipitation) P. La Follette https://doi.org/10.4211/hs.acf9a56e93bc4863b972e1e8af36dc0c

California Nevada River Forecast Center NOAA https://www.cnrfc.noaa.gov/archivePrecipMap.php?area=sf&month=02&day=27&year=19

Guide to hydrological practices World Meteorological Organization http://www.bom.gov.au/water/designRainfalls/rainfallEvents/worldRecRainfall.shtml

Model code and software

wknoben/MARRMoT W. Knoben https://github.com/wknoben/MARRMoT/tree/master/MARRMoT/Functions/Time stepping

NCAR/summa NCAR https://github.com/CH-Earth/summa/tree/master/docs/input_output

ODE Solvers C. Rackauckas, H. Ranocha, D. Thakur, et al. https://github.com/SciML/DiffEqDocs.jl/blob/master/docs/src/solvers/ode_solve.md

Frequently Asked Questions University of Washington https://vic.readthedocs.io/en/master/FAQ/FAQ/

mhm.nml.develop.mhm/mhm M. Zink and M. Cuntz https://git.ufz.de/mhm/mhm/blob/develop/mhm.nml

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Short summary
Hydrological models are useful tools that allow us to predict distributions and movement of water. A variety of numerical methods are used by these models. We demonstrate which numerical methods yield large errors when subject to extreme precipitation. As the climate is changing such that extreme precipitation is more common, we find that some numerical methods are better suited for use in hydrological models. Also, we find that many current hydrological models use relatively inaccurate methods.