The dynamics of turbidity zones in tidal estuaries ¡ Hans Burchard and Manuel Ruiz Villarreal
[email protected]. 1. Baltic Sea Research Institute Warnemunde,¨ Germany 2. Institute for Oceanography, University of Hamburg, Germany GHAMES-Seminar in Liege,` June 13, 2002 – p.1/19 Program of the talk Phenomenology Conceptual models Numerical simulations (historical) Numerical simulations (recent) Conclusions GHAMES-Seminar in Liege,` June 13, 2002 – p.2/19 Map of the tidal Elbe 54°10' WGE Be 10.96 Trischen Großer Vogelsand Friedrichskoog Gelbsand 54°00' 740 Scharhörn 730 Nord-Ostsee-Kanal Neufelder Brunsbüttel Stör Sand Neuwerk Medemsand 700 720 710 690 Cuxhaven 53°50' Gr. Knechtsand Medemgrund 680 Medem Glückstadt Wischh. Süderelbe 670 Krückau Oste Pagensand Pinnau 660 53°40' Stade 650 640 Watt 630 Hamburg Schwinge Strom-km 700 Lühe Mühlen- berger Loch 0 10km 53°30' Este 8°10' 20' 30' 40' 50' 9°00' 10' 20' 30' 40' 50' 10°00' GHAMES-Seminar in Liege,` June 13, 2002 – p.3/19 Phenomenology SPM observations in the tidal Elbe Pers. comm. Jens Kappenberg GHAMES-Seminar in Liege,` June 13, 2002 – p.4/19 Phenomenology SPM observations in the tidal Elbe Pers. comm. Jens Kappenberg GHAMES-Seminar in Liege,` June 13, 2002 – p.5/19 Phenomenology SPM observations in Columbia River Salinity SPM Pers. comm. David Jay, Phillip Orton GHAMES-Seminar in Liege,` June 13, 2002 – p.6/19 Classical conceptual models Flocculation of riverine colloids due to the ion content of the saline sea water (Lucht [1953]). "The peculiar process of mixing between riverine and marine water in the tidal zone works as a SPM trap." (Postma und Kalle [1955]).