28th INTERNATIONAL LIEGE COLLOQUIUM
ON OCEAN HYDRODYNAMICS

"Modelling hydrodynamically dominated marine ecosystems"
Liège, Belgium, May 6-10, 1996

Final Program

Monday May 6th, 1996

9.00 - 10.00 : Registration, Coffee, Display of Posters

am Session 1 - Chair : B. Rothschild

• 10.00 - 10.45 : On the theory of advective effects on dynamics of biological processes in the sea
  Allan R. Robinson, Department of Earth and Planetary Sciences,
  Harvard University, Cambridge, USA

  10.45 - 11.30 : How much trophic resolution is needed in ecosystem models ?

  Coleen L. Moloney, Marine Biology Research Institute, University of Cape Town, South Africa

  11.30 - 12.15 : How much trophic resolution may be abandonned in ecosystem models to allow

  for finer space-time resolution of hydro- and eco- dynamic processes ?

  Ch. Lancelot and Denis Van Eeckhout,

  Laboratoire de Microbiologie Aquatique, University of Brussels, Belgium

pm Session 2 - Chair : A.R. Robinson

• 2.00 - 2.45 : The importance of being chaotic. A different approach to optimum complexity.
  Jacques C.J. Nihoul, GHER, University of Liège, Belgium

  2.45 - 3.30 : Food-web mediated export of biogenic carbon in oceans : environmental control

  Louis Legendre, Département de Biologie, Université Laval, Canada

  Fereidoun Rassoulzadegan, Station Zoologique de Villefrance-sur-mer, France.

  3.30 - 4.00 : Coffee - Poster Display

  4.00 - 4.45 : Pelagic ecosystem models with multiple phytoplankton taxa

  Rob Armstrong, Atmospheric and Oceanic Sciences Program, Princeton University, USA

  4.45 - 5.30 : Modelling hydrodynamically-mediated changes in the magnitude and nature of

  the trophic transfer process in three different ecosystems

  Eva E. Plaganyi (1), Mike I. Lucas (1) and John G. Field (2)

  (1) Southern Ocean Group, University of Cape Town, South Africa

  (2) Marine Biology Research Institute, University of Cape Town, South Africa

6.30 Reception by the "Gouverneur de la Province de Liège" and the "députation permanente" at the Palais des Princes-Evêques.

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Tuesday May 7th, 1996

am Session 3 - Chair : G. Radach

• 9.00 - 9.45 : Simulating the Adriatic Sea ecosystem dynamics
  M. Zavatarelli (1), J. Baretta (2), H. Baretta Bekker (2), N. Pinardi (1)
  (1) Istituto per lo Studio delle Metodologie Geofisico Ambientali, Modena, Italy
  (2) Ecological Modelling Center, Horsholm, Denmark

  9.45 - 10.30 : Influence of mesoscale dynamics on primary production : the spring bloom in the NW Mediterranean Sea.

  M. Levy, L Memery and G. Madec,

  Laboratoire d'Océanographie Dynamique et de Climatologie

  LODYC, Universit‚ Pierre et Marie Curie, Paris, France.

  10.30 - 11.00 : Coffee break - Poster Display

  11.00 - 11.45 : Investigations on river load scenarios using a box refined version

  of the ecosystem model ERSEM

  Hermann-J. Lenhart, Institut für Meereskunde, Universitât Hamburg, Germany

  11.45 - 12.30 : Influence of advection and diffusion on primary production in the North Sea

  A. Moll and T. Pohlmann, Institut für Meereskunde, Universitât Hamburg, Germany

pm Session 4 - Chair : C.L. Moloney

• 2.00 - 2.45 : 3D hydrodynamic constraints on the dynamics of the North Western
  European Continental Shelf ecosystems
  Eric J.M. Delhez, GHER, University of Liège, Belgium

  2.45 - 3.30 : Ecological modelling of the English Channel

  Thierry Hoch and Pierre Garreau, IFREMER,

  Centre de Brest, Université de Bretagne Occidentale, France

  3.30 - 4.00 : Coffee break - Poster Display

  4.00 - 4.45 : 1D modelling of the plankton dynamics in the North Sea and in the North Atlantic

  Wilfried Kühn, Institute für Meereskunde, Hamburg, Germany

  4.45 - 5.30 : The effect of hydrodynamics on biological processes in a 1D coupled

  physical- microbiological model

  Fa Chen and Roger Proctor,

  Proudman Oceanographic Laboratory, Bidston Observatory, Birkenhead, UK

  5.30 - 6.15 : 1D ecohydrodynamic model of the Ross Sea

  J.H. Hecq (1), P. Brasseur (2), A Goffart (1) and H. Goose (3)

  (1) Unité d'Ecohydrodynamique, University of Liège, Belgium

  (2) University of Grenoble, France

  (3) University of Louvain-La-Neuve, Unité d'Ecohydrodynamique, Belgium.

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Wednesday May 8th 1996

am Session 5 - Chair : E. Wolanski
• 9.00 - 9.45 : Modelling biological responses to physical variability in Southern
  African shelf-sea environments
  Coleen L. Moloney and Eva Plaganyi,
  Marine Biology Research Institute, University of Cape Town, South Africa

  9.45 - 10.30 : Hydrodynamic and ecosystem model of coastal region applied to Akkeshi Bay, Japan

  Michio J. Kishi, Ocean Research Institute, University of Tokyo, Japan

  10.30 - 11.00 : Coffee break - Poster Display

  11.00 - 11.45 : Numerical model of oxygen deficient water mass in Dokai Bay, Japan

  Tetsuo Yanagi (1), Ko-ichi. Inoue (1), Shigeru Montani (2) and Machiko Yamada (3)

  (1) Department of Civil and Ocean Engineering, Ehime University, Matsuyama, Japan

  (2) Faculty of Agriculture, Kagawa University, Japan

  (3) Aqua Institute of Kitakyushu-City, Japan

  11.45 - 12.30 : Investigation of the vertical structure in an ecosystem model using assimilation

  of data from JGOFS time series sites

  Y.H. Spitz (1), J.R. Moisan (2), M.R. Abbott (1), J. Richman (1)

  (1) College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, USA

  (2) Scripps Institution of Oceanography, La Jolla, USA

pm Session 6 - Chair : U. Umluata

• 2.00 - 2.45 : Riley vs. Talling or how to calculate phytoplankton production in the turbulent upper mixed layer.
  H. Baumert, Institut fûr Meereskunde, Universitât Hamburg, Germany.

  2.45 - 3.30 : Modeling of carbon biogeochemical cycles in cold seas : an application to

  the Gulf of Saint Lawrence

  Ru Cheng Tian and Alain Vezina,

  Maurice Lamontagne Institute of Ocean Science, Mont- Joli, Canada

  3.30 - 4.00 : Coffee break - Poster Display

  4.00 - 4.45 : Natural variability of a pelagic ecosystem

  Joachim W. Dippner, Max-Planck Institut für Meteorologie, Hamburg, Germany

  4.45 - 5.30 : Water quality simulation of Lake Hamana using a 3D physical-biological model

  Koichi Taguchi, CTI Co. Ltd, Nagoya, Japan and

  Kisaburo Nakata, National Institute for Resources and Environment, Japan

8.00 Colloquium dinner at the Château de Colonster

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Thursday May 9th 1996

am Session 7 - Chair : T. Oguz

• 9.00 - 9.45 : Modelling the fate of fish larvae in the Great Barrier Reef
  E. Wolanski and P. Doherty, Australian Institute of Marine Science, Townsville, Australia

  9.45 - 10.30 : Multifractal parameterization of phytoplankton distribution in turbulent flows

  L. Seuront (1), F. Schmitt (2), Lagadeuc (1) D. Schertzer (2)

  (1) Station Marine de Wimereux, France

  (2) Laboratoire de Météorologie Dynamique, Université Pierre et Marie Curie, Paris, France

  10.30 - 11.00 : Coffee break - Poster Display

  11.00 - 11.45 : Numerical simulation of carbon cycle in the North Pacific Ocean

  Kisaburo Nakata, Sigeaki Aoki, National Institute for Resources and Environment, Ibaraki, Japan

  Akio Ishida, Kansai Environmental Engineering Center Co., Osaka, Japan

  Koichi Taguchi, CTI Co. Ltd, Nagoya, Japan

  11.45 - 12.30 : Modelling the interannual variability of a Mediterranean coastal

  ecosystem in relation with hydrodynamics

  G.Lacroix (1,2), P. Nival (2)

  (1) GHER, University of Liège, Belgium

  (2) Laboratoire d'Ecologie du Plancton Marin, Université Paris VI, Villefranche-sur-mer, France

pm Session 8 - Chair : L. Legendre

• 2.00 - 6.00 : The CHASE Experiment
  Universal multifractal analysis of plankton and related physical variables gathered
  during the CHASE experiment
  Y. Tessier (2), M.R. Claereboudt (1,4), S. Lovejoy (2), R. Nowak (2), J. Roff (4),
  E. Bourget (1), G. Ingram (3), D. Schertzer (6)

  The CHASE experiment : modelling centimetre to kilometre scale variability in zooplankton
  abundance in coastal waters
  W.F.C. Currie (4), M.R. Claereboudt (1,4), Y. Tessier (2) and J.C. Roff (4)

  The CHASE Experiment : nearshore distribution and abundance of zooplankton
  in relation to hydrodynamics
  Philippe Archambault (1), Bohyun Bang (3), Edwin Bourget (1),
  John C. Roff (4) and R. Grant Ingram (3)

  The CHASE experiment : coupling scales of topographic heterogeneity, hydrodynamics and
  spatial structure of shore benthic communities
  Frédéric Guichard (1), Edwin Bourget (1), Jean- Loup Robert (5)

  Complex and vector cascade approach to multifractal marine data for CHASE
  R. Nowak (2), S. Lovejoy (2), Y. Tessier (2), M. Claereboudt (1,4), P. Garrido (2),
  J. Roff (4), G. Ingram (3), D. Schertzer (6), E. Bourget (1)

  (1) GIROQ, Département de Biologie, Université Laval, Québec, Canada
  (2) GIROQ, Physics Department, Mc Gill University, Québec, Canada
  (3) GIROQ, Department of Oceanic and Atmospheric Sciences, Mc Gill University, Canada
  (4) Department of Zoology, College of Biological Science, University of Guelph, Canada
  (5) GREF, Département de Génie Civil, Université Laval, Québec, Canada (6) L.M.D., Paris, France

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Friday May 10th 1996

am Session 9 - Chair : T. Komatsu

• 9.00 - 9.45 : Simulation of annual plankton productivity cycle in the Black Sea
  by a coupled physical- biological model
  Temel Oguz (1), Hugh Ducklow (2), Paola Malanotte-Rizzoli (3) and Umit Unluata (1)
  (1) Institute of Marine Sciences, Middle East Technical University, Erdemli, Icel, Turkey
  (2) Virginia Institute of Marine Sciences, College of William and Mary, Gloucester Point, USA
  (3) Earth and Planetary Sciences, Massachusetts Institute of Technology, USA

  9.45 - 10.30 : Three-dimensional model of the Black Sea's plankton blooms

  Marilaure Grégoire and Jacques C.J. Nihoul, GHER, University of Liège, Belgium

  10.30 - 11.15 : Northern North Sea ecosystem : importance and role of the hydrodynamic constraints

  on a spring bloom

  F. Touratier, GHER, University of Liège, Belgium

  11.15 - 11.30 : Coffee-Poster Display