CURRICULUM VITAE Manfred W. Ostrowski

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1 CURRICULUM VITAE Manfred W. Ostrowski Dr.-Ing., University Professor Civil Engineer with specialisation on qualitative und quantitative hydrology and water resources management, urban drainage and stormwater management, water resources in the 3 rd world Longterm experience with development and application of complex hydrologic and water systems modelling in research, teaching and consulting. Longterm teaching experience. Pre-university education Elementary School Highschool for modern languages Military service Radar observer University Education 1971 Practical work experience joinery Civil Engineering Course at RWTH Aachen. Specialisations: Hydraulic and Water Resources Engineering, Earth Foundations and Soil Mechanics Postgraduate course Public Health Engineering at Imperial College of Science and Technology, London, Invited Scholar 1982 PhD thesis at RWTH Aachen : A contribution to the continuous simulation of water balances of catchments Post-Doctoral Research at the University of California, Davis, NATO - Scholarship with Prof. Orlob, Research on Water Quality Modelling Language skills German : native English: : fluent French : moderate Dutch : moderate Italian : moderate Professional experience Institute of Hydraulic and Water Resources Engineering, RWTH Aachen, student assistant and tutor Section Hydro-Energy Resources, RWTH Aachen Research engineer for Lahmeyer International, Frankfurt, model development Institute of Hydraulic and Water Resources Engineering, RWTH Aachen, on temporal leave from 10/82-9/83 1

2 - teaching (lecturing, practicals, examinations, excursions, supervision of thesises - manager of national research project: Anthropogenic impacts on hydrological processes - development and application of hydrological models - hydrological reliability of hydro-thermal energy systems - low flow studies HYDROTEC Consulting Engineers, Aachen Co-founder / co-owner - Development of company - Acquisition of contracts and project management State Agency of Water and Waste (LWA) of the Federal State of Northrhine- Westfalia, Düsseldorf, Head of Section Hydrology of surface waters, on temporal leave from Implementation of a standard methodology for simulation of hydrological processes in the state water administration - creation of important climatological data bases - training of state hydrologists for improved application of hydrological models Visiting Associate Professor at Addis Ababa University, Faculty of Technology, Department of Civil Engineering, Water section - courses (lectures and practicals), seminars, final year and field projects - development of research project Intensified application of micro hydropower in Ethiopia - Guidance and pre-selection of Ethiopian PhD scholars to Germany (German Academic Exchange Service) - Curriculum development since 1991 University Professor, Chair Engineering Hydrology and Water Resources Management, Member of the Institute of Hydraulic and Water Resources Engineering Darmstadt University of Technology, Department of Civil Engineering Basic civil engineering education (BSc.): Engineering hydrology I Principles of planning and design Advanced civil engineering education: (MSc.) Engineering hydrology II Engineering hydrology III Special civil engineering education: (MSc.) Integrated water resources development and management Measuring, monitoring and modelling in hydrology Water resources planning in the 3 rd world Intensive international exchange of staff and students with several European universities Co-operation programme with Addis Ababa University, Ethiopia , with intensive exchange of staff and students 2

3 Pilot project on Distance Learning via Internet: M.Sc. course 'Urban Water system modelling' in co-operation with the University of Guelph, Canada, University of Alabama at Birmingham, U.S.A., University of Cape Town, South Africa Supervisor of 20 PhD thesises, co-supervisor of 20 PhD thesises At present supervision of 10 PhD candidates Main research interests: Modelling of water and pollutant cycles in urban catchments Integrated river basin management GIS-based modelling of hydrological processes Optimum operation of reservoir systems Water resources development in the 3 rd world Main sponsors: Federal and state ministries, foundations, European Commission Project reviewer for DAAD (German Academic Exchange Service, Volkswagen Foundation, German Federal Foundation for the Environment, European Commission (5 th 7 th Research Framework), Federal Ministry of Education and Research (BMBF) Administration and temporal leaves Dean of the Faculty of Civil Engineering and Geodesy 1997 On sabbatical leave to the School of Engineering, University of Guelph, Ontario, Canada, Visiting Professor Dean of student affairs, organisation of change from Diploma to BSc-MSc course structure 2003/2004 On sabbatical leave to Università di Salerno, Italy, Visiting Professor Member of Board of Governours of the Centre for Interdisciplinary Research on Technology (ZIT) of Darmstadt University of Technology, Acting Director Co-ordinator of the interdisciplinary course system Technology and International Development (TUE), with several interuptions Panels and working groups IHP-working group Hydrological experimental and research basins Member of national working group (LAWA) German Hydrological Yearbooks Member of national ad-hoc working group (LAWA) Precipitation observation networks 1988 Member of national working group (ATV) Pollution load modelling Head of national working group (BWK) Instruments and tools for water resources planning Head of national working group (BWK) Water balance modelling for practical water resources management since 1993 Member of several scholar selection committees for DAAD (German Academic Exchange Service) Co-editor of Journal Wasser & Boden Co-editor of Journal 'Wasser und Abfall' Member of National Standardising Committee (DIN) Dams and Reservoirs (19700, Part 10) Member of DWA Working group Qualitative Hydrology 3

4 Speaker of DWA working group Integrated transdisciplinary modelling for water quality management Reviewed Publications and selected published lectures 1. Wolf, U., Ostrowski, M.W.: Estimation of Time Variant Hydrological Parameters, Proceedings of the International Symposium on Hydrological Research Basins, Bern Ostrowski, M.W.: Ein Beitrag zur kontinuierlichen Simulation der Wasserbilanz, Mitteilungen des Instituts für Wasserbau und Wasserwirtschaft, RWTH Aachen, Heft 42, IHP/OHP - Sekretariat bei der Bundesanstalt für Gewässerkunde, Bericht der Arbeitsgruppe 'Hydrologische Repräsentativ- und Versuchsgebiete': Hydrological research basins in the Federal republic of Germany (Untersuchungsgebiete in der Bundesrepublik Deutschland), Heft 4, Koblenz, Ostrowski, M.W., Wolf, U., Rohde, F.G.: Die Berechnung der aktuellen Infiltration mittels Bodenfeuchtesimulation, Die Wasserwirtschaft 74, 1/84 5. Ostrowski, M.W., Wolf, U.: Der Einfluß der zeitliche Untergliederung auf die Parameterschätzung, Deutsche Gewässerkundliche Mitteilungen, Heft 2, Ostrowski, M.W.: Zur Parameterschätzung in schneehydrologischen Modellen, Proceedings zum DVWK-Workshop: Schneehydrologische Forschung in Mitteleuropa, Hann. Münden, Zarth, M., Smith, R.G., Schröder, E.D., Ostrowski, M.W.: Removal of toxic organics by overland flow. Vom Wasser, Jahrestagung deutscher Wasserchemiker, Bad Homburg, Ostrowski. M.W.: Niederschlag-Abfluß-Modelle in der Bundesrepbulik Deutschland, DVWK-Mitteilungen 'Simulationsmodelle in der Wasserwirtschaft', Kap. 7, IHP/OHP - Sekretariat bei der Bundesanstalt für Gewässerkunde, Bericht der Arbeitsgruppe 'Hydrologische Repräsentativ- und Versuchsgebiete': Empfehlung für die Auswertung der Messergebnisse von kleinen hydrologischen Untersuchungsgebieten, Heft 5, Koblenz, Ostrowski, M.W.: A generalized procedure for deterministic hydrological modelling, Proceedings IUGG-Symposium, Workshop W4, Vancouver, Canada, Ostrowski, M.W., Schitthelm, D., Schütz, E.: Eine standardisierte Methode für den Einsatz deterministischer Modelle in der Wasserwirtschaft, Wasser und Boden 40, Heft 12, Ostrowski, M.W.: Die mathematische Simulation hydrologischer Prozesse, LWA- Materialien, Heft 4, Ostrowski, M.W.: Veränderte Anforderungen an die Simulation hydrologischer Prozesse: LWA-Materialien, Heft 4, Ostrowski, M.W., Alsenz, L.: Combined longterm simulation of runoff from urban and rural areas, Water Science and Technology Vol. 22, No 10/10, Ostrowski, M.W., Wittpohl, W., Wolf, U.: Kombinierte Niedrigwasser- und Gütesimulation für die Volme... Vom Wasser, Band 73, Ostrowski, M. : The attempt to verify a model without calibration A step towards regionalisation, Proceeding on the Conference on Experimental Basins, Wageningen Ostrowski, M.W.: The management of urban catchments, New Technologies in Urban Drainage, Elsevier Applied Science, 1991, S Ostrowski, M.W.: The effect of data accuracy on the results of soil moisture modeling, IAHS Publication 204, Hydrological Interactions between atmosphere, Soil and Vegetation, Wien, Ostrowski, M.E.: Ein universeller Baustein zur Simulation hydrologischer Prozesse, Wasser und Boden, Nov Ostrowski, M.W. : Surface Runoff Components in Urban Drainage Systems, Proceedings of the 6 th International Conference on Urban Storm Drainage, Niagara Falls, September

5 21. Ostrowski, M.W., Bettmann, Th.: Optimum design of storm tanks for decentral storm water usage, Proceedings der Internationalen Konferenz Novatech 92, Re-découvrir l eau- une priorité, S Simon, M., Ostrowski, M.W.: Conservation and Rehabilitation of Natural Drainage Systems in Densely Populated Areas; Proceedings der Symposiums "MIEUX GERER L'EAU", Hydrotop, Marseille, Ostrowski, M.W.: Berücksichtigung der Landnutzungsdynamik in der großräumigen hydrologischen Modellierung. Wasserwirtschaft und Ökologie, Eberhard Blottner Verlag, Lempert, M., Ostrowski, M.W., Müller, G.: Die Berechnung des Oberflächenabflusses auf Grundlage digitaler Höhenmodelle, Wasser und Boden, Heft 11, Ostrowski, M.W., Lohr, H.: Simulation tools for the ecologically oriented operation of reservoirs, Proceedings of the XXI. Assembly of the IUGG, Boulder, Colorado, July Lohr, H., Ostrowski, M.W. : Planungswerkzeuge für den ökologisch orientierten Talsperrenbetrieb, Wasser Abwasser Praxis, Heft 5, 11/1996, S Ostrowski, M.W., Leichtfuß, A. : Die Entstehung von Hochwasser, Mitt. Des Instituts für Wasserbau und Wasserwirtschaft, Ostrowski, M.W. : Der Beitrag von Ballungszentren zur Entstehung von Hochwasserereignissen, Mitt. Des Umweltministeriums des Saarlandes, Ostrowski, M.W., Abdulkarim Hussein Seid, Lempert, M.: Simulation von Wasserbilanzen in Äthiopien unter besonderer Berücksichtigung der speziellen bodentypischen Eigenschaften und Anwendung der GIS-Technik, Thema Forschung 1/1996, Eigenverlag der TUD 30. Herweg, K., Ostrowski, M.W. : The influence of errors on erosion process analysis, Research Report 33, University of Berne, Switzerland, Soil Conservation Research Programme, Centre for Development & Environment, Ostrowski, M.W., Obermann, I.: Grundlagen und Werkzeuge zur ganzheitlichen wasserwirtschaftlichen Planung, Wasser und Boden, 49. Jahrg. Heft 5, Dach,J., Obermann, I., Jager, J., Ostrowski, M.W.: Wasser- und Gastransport in Deponien mit mechanisch-biologisch vorbehandelten Abfällen, Wasser & Boden, 49. Jahrg., Heft 6, Dach, J., Obermann,I., Jager, J., Ostrowski, M.W.: Water and gas transport in landfills containing pretreated waste, Proceedings of the Sixth International Landfill Symposium, Theisen, M, Danhamer, H., Dach, J., Obermann, I., Glesner, M., Jager, J., Ostrowski, M.W.: Structure and methods of a model for the simulation of processes in a MBP- Landfill, Proceedings of the Sixth International Landfill Symposium, Bettmann, TH., Ostrowski, M.W.: The effect of decentral stormwater use in urban areas on pollution emission, Water Science & Technology, Jan Mehler, R., Ostrowski, M.W.: Integrating better stormwater management practices in urban stormwater pollution modeling, Advances in Modeling the Management of Stormwater Impacts, Vol. 6, edited by William James, Published by CHI, Guelph, Ontario, James, W., Ostrowski, M.W.: Lessons learned during a first international graduate course on sustainable urban water systems modelling using asynchronous-learning on the web, Proceedings of the 4 th International Conference on Developments in Urban Drainage Modelling, London, September Ostrowski, M.W., James, W.: Requirements for group decision support systems for urban storm water management, Proceedings of the 4 th International Conference on Developments in Urban Drainage Modelling, London, September Ostrowski, M.W., Lohr, H., Dereje, H.: Optimale Bewässerungslandwirtschaft als Teil integrierter Flußgebietsbewirtschaftung, Thema Forschung 2/98, TU Darmstadt, Verlag für Marketing und Kommunikation, Worms, December Ostrowski, M.W.: Sicherheitsaspekte von Speichern: Sicherheitsphilosophie und annahmen. Mitteilungen des Instituts für Wasserbau und Wasserwirtschaft. Darmstädter Wasserbauliches Kolloquium 1997: Betrieb und Steuerung von Speichern und Stauhaltungen unter sich ändernden Randbedingungen, Heft 103,

6 41. Kivumbi D., Ostrowski M., Burton M.A., Clarke D. Diagnostic analysis for improved irrigation performance. 17th International Congress on Irrigation and Drainage in Granada, Spain. Volume - 1A, Q.48-R1.05, p , Ostrowski, M. and Lempert, M. Extended Requirements for deterministic rainfallrunoff models to compute the PMF (Probable maximum flood) in Design flows in small river basins, Proceedings of the workshop on March 4,5 at University of Kaiserslautern, Report No. 9, Institute of Hydraulic and Water Resources Engineering, 1999, ISSN Ostrowski, M., Lohr, H. : Safety of Reservoirs: Design flows or probability based risk assessment, in: Symposium on natural catastrophies in mountainous regions, Oktober, Karlsruhe, Institut für Wasserwirtschaft und Kulturtechnik, Universität Karlsruhe, Mehler, R., Ostrowski, M.W.: Comparison of the efficiency of best stormwater management practices in urban drainage systems, Water Science & Technology, No. 9, Vol. 39, P , Ostrowski, M.W., Mehler, R.: Zustand und Entwicklung der Mischwasserbehandlung, Wasser und Abfall, Heft 3, Ostrowski, M.W. Anthropogenic impacts on the formation of flash floods and measures for their compensation, in Flood Issues in Contemporary Water Management, Proceedings of the NATO Advanced Research Workshop on Coping with Floods, Malenovice, Czech Republic, Mai 2000, NATO Science Series, 2. Environmental Security - Vol. 71, Kluwer Academic Publishers, ISBN X 47. Ostrowski, M.W., Lohr, H.: Dam safety assessment using long term hydrological modelling techniques, in Geoecology and Computers, Proceedings of the 3 rd international conference on advances of computer methods in geotechnical and geoenvironmental engineering, Moscow, 1-4 February 2000, A.A. Balkema, ISBN Ostrowski, M.W.: Modellierung hydrologischer Prozesse in urbanen Gebieten in unterschiedlichen räumlichen und zeitlichen Skalen, Workshop on Preventive Flood protection, New approaches to storm water management, Saarlouis, June 15/ Ostrowski, M.W., Heusch, S. and Lempert, M.: The impact of long term land use changes on the occurrence of extreme floods - the Modau case study, European Conference on Advances in Flood Research, Nov. 1-4, 2000, European Commission, Directorate General XII, Science Research Development 50. Ostrowski, M.W.: Modelling urban hydrological processes and management scenarios at different temporal and spatial scales, in Best Modelling Practices Urban for Water Systems, Monograph 10, ISBN: C edited by William James, CHI, Guelph, Ontario, Canada, pages 27-39, Schaffner, J., Ostrowski, M.W.: Combined Modelling of Flume-Gravel-Trench System and Surrounding Unsaturated Soil, in Best Modelling Practices Urban for Water Systems, Monograph 10, ISBN: C edited by William James, CHI, Guelph, Ontario, Canada, pages 39-52, Ostrowski, M.: Ein allgemeiner analytischer Ansatz für die nicht-lineare hydrologische Modellierung Theorie und Beispiele, Forum für Hydrologie, Heft 1, Ostrowski,M., Lohr, H.: Modellgestützte Bewirtschaftung von Talsperrensystemen, Wasser und Abfall, Heft 1-3, Seiten 40-45, Muschalla,D., Ostrowski, M.: Urban stormwater drainage system in the central part of Addis Ababa present state and proposals for improvement, Proceedings of the 4 th Conference on Urban Drainage Modelling, Portland, September Thioubou, A., Ostrowski, M.: Essai de modélisation du risque d érosion hydrique utilisant des paramètres socio-économique. Cas d une zone rurale sénégalaise, Modelling erosion, sediment transport and sediment yield, edited by Summer and Walling, Technical Documents in Hydrology, No. 60, UNESCO, Ostrowski, M. et al: (als Leiter der Arbeitsgruppe) Wasserbilanzmodelle in der Wasserwirtschaft, Kontinuierliche Niederschlagsabflussmodelle, BWK-Merkblatt 2, Hrsg.: Bund der Ingenieure für Wasserwirtschaft, Abfallwirtschaft und Kulturbau (BWK) e.v., Sindelfingen; 2002, 91 S., zahlr. Abb., Tab., ISBN , 91 S. 6

7 57. Leichtfuß,A., Schroeter, K., Ostrowski, M., Peters, Ch., Mühleck,R.,Jekel, M., Thiel E., Schmidt, W., Sieker, H.: Entwicklung eines Decision Support Systems für die integrierte wasserwirtschaftliche Planung in kleinen Einzugsgebieten, KA Abwasser, Abfall, Heft 2, Ostrowski, M., Lempert, M. Heusch, S.: A mathematical model for the identification of human impacts on floods: the Modau case study, in Modelling in Natural Sciences edited by Müller and Müller, Springer-Verlag Berlin Heidelberg New York, ISBN Petersson,E., Ostrowski, M.: Der nationale Wasserplan Spaniens Wasserpolitik von gestern für morgen? Wasser und Abfall, Heft 4-5, S , Ostrowski, M., Winterscheid, A., Slikker, J., Fuchs, E., Hüsing, V.: The nature-oriented flood damage prevention project, towards natural flood reduction strategies, Proceedings of the Ecoflood conference, Warshaw Kudo, E., Ostrowski, M.: Optimum sustainable water management in an urbanising river basin in Japan, based on integrated modelling techniques, Proceedings of the iemss 2004 Conference (The International Environmental Modelling and Software Society Conference), Osnabrück, June Ostrowski, M.: Linearity of hydrological models and related uncertainty, Proceedings of the ESF LESC Exploratory Workshop on hydrological risk at Bologna, Oct. 2003, CNR-GNDCI, Publ. No. 2858, Editoriale Bios, Nov. 2004, ISBN I 63. Schroeter, K.,Ostrowski, M.: Development of a decision support system for integrated water resources management in intensively used small watersheds, Proceedings British Hydrological Society on Science and Practice for the 21st Century, London Schroeter, K., Ostrowski, M.: Immission- oriented integrated modelling of urban, natural and agricultural areas, Proceedings of the 6th International Conference on Urban Drainage, Dresden, Muschalla, D., Ostrowski, M.: Case study: Urban stormwater drainage system in Addis Ababa, Ethiopia - present state and proposals for improvement, Book contribution in Urban stormwater management in developing countries, edited by J. Parkinson and O.Mark, London, IWA Publishing, Muschalla, D., Schroeter, K., Ostrowski, M., Wörsching, S.: Integrated modelling and multi-objective evolution strategy as a method for water quality oriented optimization of urban drainage systems, Proceedings of the 10th International Conference on Urban Drainage, Copenhagen, Petersen, E., Ostrowski, M.: Strengths and weaknesses of Decision Support Systems in reservoir operation, Proceedings of the IMWI Conference: Enhancing equitable livelyhood benefits of dams using decision support systems, January 2006, Nazareth, Ethiopia, Schroeter, K., Muschalla, D., Ostrowski, M.: Determination of parameter uncertainty and the evaluation of predictive significance of an urban hydrological model, Proceedings of the 7th International Conference on Urban Drainage Modelling, Melbourne, April Schroeter, K., Ostrowski, M.: Urban Water Management and Planning in the Context of Integrated Water Resources Management; Modau Case Study, Proceedings of the 7th International Conference on Urban Drainage Modelling, Melbourne, April Ostrowski, M., Klawitter, A.: On the estimation of soil moisture parameters in physically based hydrological models, Proceedings of the Hydroinformatic Conference 2006, Nice, September Bach, M., Schroeter, K., Ostrowski, M.: Possibilities of water quality models for the implementation of the EU Water Framework Directive, Proceedings of the Hydroinformatic Conference 2006, Nice, September Kumar, J., Ostrowski, M., Jain, A.: A swot analysis of ANN versus conceptual physically oriented modelling based on lysimeter data, Proceedings of the Hydroinformatic Conference 2006, Nice, September

8 73. Schroeter, K.,Muschalla, D., Ostrowski, M.: Assessment of parameter uncertainty in rainfall runoff modelling, Proceedings of the Hydroinformatic Conference 2006, Nice, September Schroeter, K., Ostrowski, M., Velasco-Forero, C., Sempere-Torres, D.: Impact of input uncertainties on predictions of a distributed hydrological model, Proceedings of the 4th European Conference on Radar in Meteorology, Barcelona, September Muschalla, D., Bach, M., Ostrowski, M.: Integrierte Modellierung als Werkzeug der Beurteilung von Mischwasserentlastungen, Tagungsband Abflusssteuerung - Schwallspülung - Gewässerschutz, Osnabrück, Oktober Froehlich, F., Dittmann, R., Muschalla, D., Bornschein, A., Ostrowski, M. und Pohl, R.: Can we improve dam safety and ecological dam performance at the same time. Proceedings International Symposium Dam Safety Management. Role of State, Private Companies and Public in Designing, Constructing and Operation of Large Dams. St. Petersburg, Russia, May Muschalla, D., Klawitter, A. und Ostrowski, M.: Innovative simulation and optimisation tools for basin wide urban stormwater management. Proceedings International Symposium on New Directions in Urban Water Management, UNESCO, Paris, June Schroeter, K., Ostrowski, M., Sempere, D., Velasco, C., Nachtnebel, H.-P., Kahl, B., Gocht, M., Rubin, C.: Effectiveness and Efficiency of Early Warning Systems for Flash Floods, proceedings Mid term seminar European Flood Risk Management Research, Lyon, October Gocht, M., Schroeter, K. Ostrowski, M., Rubin, C. Nachnebel, H.P.: EWASE - Early Warning Systems Efficiency - Risk Assessment and Efficiency Analysis Mid term seminar European Flood Risk Management Research, Lyon, October Klawitter, A., Ostrowski, M.: Combined urban and rural models for integrated river basin management, Urban Water Systems Modeling, Monograph 14, ISBN: edited by William James, CHI, Guelph, Ontario, Canada, Hübner, C., Muschalla, D., Ostrowski, M.: Mixed-Integer optimization of flood control measures using evolutionary algorithms, Proceedings of the International Symposium on Flood defence, Toronto, May 6-8, Schröter, K., Llort, X.,Valasco-Forero, C., Muschalla, D., Ostrowski, M., Sempere-Torres, D.: Accounting for uncertain radar rainfall estimates in distributed hydrological modelling., Conference proceedings Weather radar and hydrology, Grenoble, March 10-15, Froehlich, F., Ostrowski, M.: Dynamische Speicherabgaben zur Berücksichtigung ökologischer Anforderungen, International Symposium on New Challenges for Hydraulic Engineering, ETH Zurich, Sept Bobbe, T., Günther, O., Migge, H., Ostrowski, M.: Umsetzung der Europäischen Wasserrahmenrichtlinie in kleinen Einzugsgebieten Erfahrungen und Ergebnisse aus dem Pilotprojekt Modau, Hessen, Korrespondenz Wasserwirtschaft, Heft 6, Winterscheid, A., Fuchs, E., Haase, M. Hens, T., Horchler, P., Huebner, C. van Iersel, P., Lippert, K., Ostrowski, M. Rosenzweig, S., Thül, M.: nofdp IDSS ein kostenfreies Softwareprodukt zur Konzeption von naturverträglichen Hochwasserschutzmaßnahmen, WasserWirtschaft, Heft 10, Froehlich, F., Ostrowski, M.: Dynamic reservoir operation for reducing dam induced hydrologic alteration, 7th ISE & 8th HIC, Chile, Bach, M., Froehlich, F., Heusch, S., Hübner,Ch., Muschalla, D., Reußner, F., Ostrowski, M.: BlueM a free software package for integrated river basin management, Proceedings of Annual Meeting of the society for hydrologists and water managers; Kiel, March Froehlich, F., Dittmann, R., Ostrowski, M. W., and Pohl, R.: Optimierung von Mehrzweckspeichern im Hinblick auf Hochwasserrisiko und Ökologie, Hydrol. Wasserbewirts., 53(3), , Dittmann, R., Froehlich, F. Pohl, R., Ostrowski, M.: Optimum multi-objective reservoir operation with emphasis on flood control and ecology, Nat. Hazards Earth Syst. Sci., 9, , Ostrowski, M., Bach, M., DeSimone, S.V., Gamerith, V. :Analysis of the time-step 8

9 dependency of parameters in conceptual hydrological models, online publication Ostrowski, M. Reussner, F., Muschalla, D.: Integrierte Simulationsansätze zur Erkennung kritischer Gewässerbelastungen durch urbane Einleitungen, Proceedings Essener Tagung, March 17-19, Essen,