Articles | Volume 19, issue 2
Research article
10 Feb 2015
Research article |  | 10 Feb 2015

Calibration approaches for distributed hydrologic models in poorly gaged basins: implication for streamflow projections under climate change

S. Wi, Y. C. E. Yang, S. Steinschneider, A. Khalil, and C. M. Brown

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Manuscript not accepted for further review
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Cited articles

Ahmad, S.: Towards Kabul Water Treaty: Managing Shared Water Resources – Policy Issues and Options, Karachi, Pakistan, 2010.
Ajami, N. K., Gupta, H., Wagener, T., and Sorooshian, S.: Calibration of a semi-distributed hydrologic model for streamflow estimation along a river system, J. Hydrol., 298, 112–135, 2004.
Anderson, J., Refsgaard, J. C., and Jensen, K. H.: Distributed hydrological modeling of the Senegal river basin – model construction and validation, J. Hydrol., 247, 200–214, 2001.
Bandaragoda, C., Tarboton, D. G., and Woods, R.: Application of TOPNET in the distributed model intercomparison project, J. Hydrol., 298, 178–201, 2004.
Beven, J. K.: Rainfall-Runoff Modelling: The Primer, 2nd Edition, Wiley-Blackwell, Chichester, 2012.
Short summary
This study shows that multisite calibration approaches for a distributed hydrologic model far exceed a calibration based on only the basin outlet. It also reveals advantages of semi-distributed over (non-parsimonious) fully distributed parameter schematization, by means of improved predictive capacity and reduced parameter uncertainty. The uncertainty in future streamflow resulting from variations in projected climate between GCMs substantially outweighs the calibration uncertainty.