Articles | Volume 21, issue 11
https://doi.org/10.5194/hess-21-5647-2017
https://doi.org/10.5194/hess-21-5647-2017
Research article
 | 
15 Nov 2017
Research article |  | 15 Nov 2017

A comparative assessment of rainfall–runoff modelling against regional flow duration curves for ungauged catchments

Daeha Kim, Il Won Jung, and Jong Ahn Chun

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A comparison between parameter regionalization and model calibration with flow duration curves for prediction in ungauged catchments
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Manuscript not accepted for further review
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Cited articles

Atieh, M., Taylor, G., Sttar, A. M. A., and Gharadaghi, B.: Prediction of flow duration curves for ungauged basins, J. Hydrol., 545, 383–394, 2017.
Bae, D.-H., Jung, I.-W., and Chang, H: Long-term trend of precipitation and runoff in Korean river basins, Hydrol. Process., 22, 2644–2656, 2008.
Bárdossy, A.: Calibration of hydrological model parameters for ungauged catchments, Hydrol. Earth Syst. Sci., 11, 703–710, https://doi.org/10.5194/hess-11-703-2007, 2007.
Beven, K. J.: Prophecy, reality and uncertainty in distributed hydrological modelling, Adv. Water Resour., 16, 41–51, 1993.
Beven, K. J.: A manifesto for the equifanality thesis, J. Hydrol., 320, 18–36, 2006.
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Short summary
We evaluated predictive performance of a rainfall–runoff model whose behavioural parameters were gained against flow magnitudes only. The parameter sets did not well reproduce observed flows when comparing to a conventional method simply using a parameter transferred from nearby gauged catchments. This study emphasises that metrics in time dimensions are essential for identifying model parameters and the absence of flow timing information could worsen model performance.