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									The Stuttgart connection




                                                                                 Andreas Eisner „ironman“


 Klaus Jorde „the professor“


                                          Franz Kerle „fisherman‘s friend“




                                                                             Matthias Schneider „hemisphere“



           Frank Zöllner „Gates junior“
                                                               Ecohydraulics Research Group Stuttgart
                                                               Institute of Hydraulic Engineering
                                                               University of Stuttgart
Main interests and development of CASIMIR

1990   Minimum flow in diverted river sections
1992   Energy production in hydro power stations  WASKRA
1993   Habitat quality for benthic invertebrates  BHABIM
1994   Structural and hydraulic characteristics of rivers  SORAS
1996   High resolution fish habitat modelling (pref functions)  FHABIM
1997   Unsteady 1D-hydraulic modelling  AG1
1998   Fuzzy-rule-based integration of fish habitat demands FHABIM 2
2000   Calculation of near bottom forces distribution  BHABIM 2
2001   Vegetation in riparian and floodplain zones  VEGSIM



                          CASIMIR
  (Computer Aided Simulation of Instream Flow Requirements)
Modelling experience and practice
• Habitat investigations (PHABSIM, CASIMIR) in river reaches of
  different type and dimension (lowland to alpine region, 500 l/s to
  300 m³/s)
• Flow regulations based on habitat modelling for numerous hydro
  power stations (ranging from 50 kW to 100 MW)
                                                                                                                               char. depth         char. velocity

                                                                                                          Epirhitral             15 cm             50 cm/s
   Habitat suitability
   grayling                                                                                               Metarhitral            25 cm             40 cm/s

                                                                             adult                        Hyporhitral            40 cm             30 cm/s

                                                                                                          Epipotamal             50 cm             30 cm/s
                                          spawning                                                        Metapotamal            60 cm             20 cm/s

                                                                                                          Hypopotamal            60 cm             20 cm/s.
                               juvenile
                                                                           Pegel Loderio, Mittel aus 1904 bis 1908 (vor Entnahme)

                         fry                         40

                                                     35

                                                     30
                                           Abfluß [m³/s]




                                                     25
Hydro power station                                                                               Basisabfluss 2
                                                     20

                                                     15
                                                                                                                         Basisabfluss 3
                                                     10
                                                                     Basisabfluss 1
                                                           5

                                                           0
                                                               Jan   Feb    Mar       Apr   May    Jun     Jul     Aug   Sep   Oct   Nov     Dec
Research and development
• Standardized method for the certification (approvement)
  of „green“ hydro power stations
                                                       category 4:
                                                       no fish




                Olivone
                                        category 3:
                                        no reproduction, fish
                                        individually stocked




                                                                    category 2:
                                                      Upstream of first natural barrier
                                                      reproduction possible
                  Malvaglia




                Biasca                                                category 1:
                                                         Downstream of first natural barrier

         5 km
• Development of a user friendly software for ecological
  investigations on river systems, integration of fuzzy-approach




• Definition of preference functions and fuzzy-rules in cooperation
  with biologists
• Application and extension of CASIMIR for the efficiency prediction
  and control of mitigation measures in main channel...




                               ... and connected floodplains
                               (interfaces to 2- and 3-D hydraulics)




                                                                1 km
• Contribution to the development of a System of Models for
  the Integrated Management of catchment areas
                                                                                             major factors
                                                                                             hydrology
                                                                                             habitat modelling
                                                                                             floodplain structures
                                         MIMAG-Modellkomplex
        Disziplinen                                                                              Szenarien
                                                        Module


                                  konzeptionelle                          Feststoff- und
                                  hydrologische       Landnutzung          P-Transport
                                   Modellierung                            Landschaft

       Bodenkunde
                                   Strukturindizes                         Regelwerk
                                                      Flächenbezug
       Landschafts-                Landschaft                            Habitatpotential
       ökologie                                                                                Typ A
      Agrarökonomie                         ökonomisches         Retentions-
                       MODELL               Regionalmodell        potential

                                                                                  regional
        Hydrologie                                                                             Typ B
                         DATEN
                                                                                    lokal
      Geomorphologie
                                                      ökonomisches
                                                      Betriebsmodell
       Tierökologie
                                                                                               Typ C
        Informatik                  dezentraler                             Habitat-
                                                     Habitatstruktur
                                 Hochwasserschutz                         modellierung



                                   physikalisch
                                                                         Stoffanlieferung
                                  hydrologische       Landnutzung
                                                                         Aue + Strukturen
                                  Modellierung


                                 EDV / GIS

								
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