<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Knowledge of hydrological processes and water balance elements are important for climate adaptive water management as well as for introducing mitigation measures aiming to improve surface water quality. Mathematical models have the potential to estimate changes in hydrological processes under changing climatic or land use conditions. These models, indeed, need careful calibration and testing before being applied in decision making. The aim of this study was to compare the capability of five different hydrological models to predict the runoff and the soil water balance elements of a small catchment in Norway. The models were harmonised and calibrated against the same data set. In overall, a good agreement between the measured and simulated runoff was obtained for the different models when integrating the results over a week or longer periods. Model simulations indicate that forest appears to be very important for the water balance in the catchment, and that there is a lack of information on land use specific water balance elements. We concluded that joint application of hydrological models serves as a good background for ensemble modelling of water transport processes within a catchment and can highlight the uncertainty of models forecast.</p></abstract>

Knowledge of hydrological processes and water balance elements are important for climate adaptive water management as well as for introducing mitigation measures aiming to improve surface water quality. Mathematical models have the potential to estimate changes in hydrological processes under changing climatic or land use conditions. These models, indeed, need careful calibration and testing before being applied in decision making. The aim of this study was to compare the capability of five different hydrological models to predict the runoff and the soil water balance elements of a small catchment in Norway. The models were harmonised and calibrated against the same data set. In overall, a good agreement between the measured and simulated runoff was obtained for the different models when integrating the results over a week or longer periods. Model simulations indicate that forest appears to be very important for the water balance in the catchment, and that there is a lack of information on land use specific water balance elements. We concluded that joint application of hydrological models serves as a good background for ensemble modelling of water transport processes within a catchment and can highlight the uncertainty of models forecast.

Applying profile- and catchment-based mathematical models for evaluating the run-off from a Nordic catchment

NIBIO, Norwegian Institute of Bioeconomy Research, Frederik A. Dahls vei 20, 1430 Ås, Norway

Journal of Hydrology and Hydromechanics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Knowledge of hydrological processes and water balance elements are important for climate adaptive water management as well as for introducing mitigation...

Applying profile- and catchment-based mathematical models for evaluating the run-off from a Nordic catchment

Published Online: Jul 08, 2016

Page range: 218 - 225

Received: Oct 16, 2015

Accepted: Apr 11, 2016

DOI: https://doi.org/10.1515/johh-2016-0022

Keywords
Runoff, SWAT, COUP, DRAINMOD, HBV, INCA, Model harmonization, Model comparison

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Applying profile- and catchment-based mathematical models for evaluating the run-off from a Nordic catchment

Published Online: Jul 08, 2016

Page range: 218 - 225

Received: Oct 16, 2015

Accepted: Apr 11, 2016

DOI: https://doi.org/10.1515/johh-2016-0022

KeywordsRunoff, SWAT, COUP, DRAINMOD, HBV, INCA, Model harmonization, Model comparison

© 2016

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Runoff, SWAT, COUP, DRAINMOD, HBV, INCA, Model harmonization, Model comparison