Hydrology and Earth System Sciences www.hydrol-earth-syst-sci.net 1027-5606 1607-7938 10 6 2006 10.5194/hess-10-783-2006 http://www.hydrol-earth-syst-sci.net/10/783/2006/ http://www.hydrol-earth-syst-sci.net/10/783/2006/hess-10-783-2006.html http://www.hydrol-earth-syst-sci.net/10/783/2006/hess-10-783-2006.pdf 783 788 2006-10-20 Technical Note: Updating procedure for flood forecasting with conceptual HBV-type models Th. Wöhling woehling@lvlham.lincoln.ac.nz F. Lennartz M. Zappa Lincoln Environmental., Ruakura Research Centre, Private Bag 3062, Hamilton, New Zealand Dresden University of Technology, Würzburger Str. 46, D-01187 Dresden, Germany Swiss Federal Institute for Forest, Snow and Landscape Research, Zürcherstrasse 111, CH-8903 Birmensdorf, Switzerland Flood forecasting is of increasing importance as it comes to an increasing variability in global and local climates. But rainfall-runoff models are far from being perfect. In order to achieve a better prediction for emerging flood events, the model outputs have to be continuously updated. This contribution introduces a rather simple, yet effective updating procedure for the conceptual semi-distributed rainfall-runoff model PREVAH, whose runoff generation module relies on similar algorithms as the HBV-Model. The current conditions of the system, i.e. the contents of the upper soil reservoirs, are updated by the proposed method. The testing of the updating procedure on data from two mountainous catchments in Switzerland reveals a significant increase in prediction accuracy with regards to peak flow. Bergström, S.: Development and Application of a Conceptual Runoff Model for Scandinavian Catchments, Bulletin Series A, No. 52, University of Lund, 1976. Dyck, S. and Peschke, G.: Grundlagen der Hydrologie (in German), 3rd Ed., Verlag fuer Bauwesen, Berlin, Germany, ISBN:3345005867, 1995. Garen, D. and Marks, D.: Spatial fields of meteorological input data including forest canopy corrections for an energy budget snow simulation model, in: Soil-Vegetation-Atmosphere Transfer Schemes and Large Scale Hydrological Models, edited by: Dolman, A. J., Hall, A. J., Kavvas, M. L., Oki, T., and Pomeroy, J. W., IAHS Publication No. 270, 349–353, 2001. Garrote, I. and Bras, R. J.: A distributed model for real-time flood forcasting using digital elevation models, J. Hydrol., 167, 279–306, 1995. Gurtz, J., Baltensweiler, A., and Lang, H.: Spatially distributed hydrotope-based modelling of evapotranspiration and runoff in mountainous basins, Hydrol. Processes, 13, 2751–2768, 1999. Gurtz, J., Zappa, M., Jasper, K., Lang, H., Verbunt, M., Badoux, A., and Vitvar, T.: A comparative study in modelling runoff and its components in two mountainous catchments, Hydrol. Processes, 17, 297–311, 2003. Hock, R. : Distributed temperature-index ice- and snowmelt model including potential direct solar radiation, J. Glaciol., 45, 101–111, 1999. Kalman, R. E.: A new approach to linear filtering and prediction problems, J. Basic Engineering, 82 (Series D), ISSN 0021-9223, pp. 35–45, 1960. Klok, E. J., Jasper, K., Roelofsma, K. P., Badoux, A., and Gurtz, J.: Distributed hydrological modelling of a glaciated Alpine river basin, Hydrol. Sci. J., 46, 553–570, 2001. Legates, D. R. and McCabe, G. J.: Evaluating the use of "Goodness-of-Fit" measures in hydrologic and hydroclimatic model validation, Water Resour. Res., 35, 233–241, 1999. Lettenmaier, D. P. and Wood, E. F.: Hydrologic Forecasting, Chap. 26, in: Handbook of Hydrology, edited by: Maidment, D. R., McGraw-Hill, New York, USA. 1993. Lindström, G., Johansson, B., Persson, M., Gardelin, M., and Bergström, S.: Development and test of the distributed HBV-96 hydrological model, J. Hydrol., 201, 272–288, 1997. Nash, J. E. and Sutcliffe, J. V.: River flow forecasting through conceptual models (1), a discussion of principles. J. Hydrol., 10, 282–290, 1970. O'Connell, P. E. and Clarke, R. T.: Adaptive hydrological forecasting – a review, Hydrol. Sci. Bull., 26(2), ISSN 0303-6936, 179–205, 1981. Refsgaard, J. C.: Validation and Intercomparison of Different Updating Procedures for Real-Time Forecasting, Nordic Hydrol., 28, ISSN 0029-1277, 65–84, 1997. Sonderegger C.: Rainfall/Runoff Modelling of a Sub-Satchment of the Yangtze in China, Diploma Thesis at the ETH and University Zürich, 103 pages, 2004. Uhlenbrook, S. and Leibundgut, C.: Process-oriented catchment modelling and multiple-response validation, Hydrol. Processes, 16, 423–440, 2002. Verbunt, M., Zappa, M., Gurtz, J., and Kaufmann, P.: Verification of a coupled hydrometeorological modelling approach for alpine tributaries in the Rhine basin, J. Hydrol., 324, 224–238, doi:10.1016/j.jhydrol.2005.09.036, 2006. WMO: Simulated real-time intercomparison of hydrological models, No. 779, World Meteorological Organization, ISBN 92-63-10779-3, 1992. Yang, X. and Michelle, C.: Flood forecasting with a watershed model: a new method of parameter updating, Hydrol. Sci., 45(4), 537–547, 2001. Zappa, M.: Multiple-response verification of a distributed hydrological model at different spatial scales In Institute for Atmospheric and Climate Science, Dissertation No. 14895, ETH Zürich, 2003. Zappa M. and Gurtz, J.: Simulation of soil moisture and evapotranspiration in a soil profile during the 1999 MAP-Riviera Campaign, Hydrol. Earth Syst. Sci., 7, 903–919, 2003. Zappa, M., Pos, F., Strasser, U., Warmerdam, P., and Gurtz. J.: Seasonal water balance of an Alpine catchment as evaluated by different methods for spatially distributed snowmelt modelling, Nordic Hydrol., 34, 179–202, 2003. Zhang, X. N. and Lindstrom, G.: Development of an automatic calibration scheme for the HBV hydrological model, Hydrol. Processes, 11, 1671–1682, 1997.