Articles | Volume 23, issue 3
Research article
04 Mar 2019
Research article |  | 04 Mar 2019

A comprehensive sensitivity and uncertainty analysis for discharge and nitrate-nitrogen loads involving multiple discrete model inputs under future changing conditions

Christoph Schürz, Brigitta Hollosi, Christoph Matulla, Alexander Pressl, Thomas Ertl, Karsten Schulz, and Bano Mehdi

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Cited articles

Abbaspour, K. C., Yang, J., Maximov, I., Siber, R., Bogner, K., Mieleitner, J., Zobrist, J., and Srinivasan, R.: Modelling hydrology and water quality in the pre-alpine/alpine Thur watershed using SWAT, J. Hydrol., 333, 413–430,, 2007. a
Amt d. Stmk LReg: Regionale Bevölkerungsprognose Steiermark 2015/16 – Bundesland, Bezirke und Gemeinden, Tech. rep., Graz, Austria, available at: (last access: 30 April 2018), 2016. a
Anderson, B., Borgonovo, E., Galeotti, M., and Roson, R.: Uncertainty in climate change modeling: can global sensitivity analysis be of help?, Risk Anal., 34, 271–293,, 2014. a
Arnold, J. G., Srinivasan, R., Muttiah, R. S., and Williams, J. R.: Large area hydrologic modeling and assessment part I: model development, J. Am. Water Resour. Assoc., 34, 73–89,, 1998. a, b
Short summary
For two Austrian catchments we simulated discharge and nitrate-nitrogen (NO3-N) considering future changes of climate, land use, and point source emissions together with the impact of different setups and parametrizations of the implemented eco-hydrological model. In a comprehensive analysis we identified the dominant sources of uncertainty for the simulation of discharge and NO3-N and further examined how specific properties of the model inputs control the future simulation results.