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1

Hydrodynamics of the Vistula estuary: measurements and modelling

100%
Robakiewicz M., Jasinska E.
|
EN
Development of measuring techniques enabled execution of detailed in situ measurements in the maritime part of the Vistula estuary. The data gathered were then used for verification of a three-dimensional model. In situ measurements of hydrodynamic conditions (magnitude and direction of water currents, salinity, temperature) were carried out in autumn 1995 as short-term and long-term registrations. Calculations done by the numerical model, based on collected hydro-meteorological data, agree well with short-term registrations. The influence of the forcing functions and numerical coefficients on the results of modelling are discussed.
2

Hydrodynamic conditions in the Gulf of Gdansk during Polarodex'96 experiment in comparison with numerical model

80%
Robakiewicz M.
|
|
vol. 26
|
issue 4
145-159
EN
During POLRODEX'96 experiment (July/August 1996), the extensive measurements of hydro-dynamic conditions in the Gulf of Gdansk were carried out. Short-term and long-term measure-ments involved the registration of currents, salinity, water temperature and changes of the water level at the open sea. Hydrological and meteorological data collected were then used for the de-velopment of a numerical model for the Gulf of Gdansk. Comparison between modelled and calculated distributions (verticals, time series) leads to a conclusion that the proposed model predicts the actual hydrodynamic conditions with acceptable accuracy. Main discrepancies may result from the assumed initial and open boundary conditions.
3

Hydrological and hydrodynamic processes ion marine part of Vistula estuary: in situ measurements versus mathematical modelling

80%
Matciak M., Nowacki J., Robakiewicz M.
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EN
Hydrological and hydrodynamic processes in Vistula estuary monitored in situ and their repre-sentation by numerical model are presented. The modelled distributions of salinity and tempera-ture from the 22nd September 1995 show acceptable agreement with measurements. Results of hydrodynamic model support observations showing the spreading of fresh water along the Gulf of Gdansk shore.
4

Influence of the Gdansk - east wastewater treatment plant on the coastal zone of the Gulf of Gdansk - hydrodynamic aspects

80%
Robakiewicz M.
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2000
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vol. 29
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issue 4
97-108
EN
The Gdansk - East Wastewater Treatment Plant (WWTP) with its predicted average discharge of 2 m3 s-1 is the largest treatment plant with an outfall pointing into the Gulf of Gdansk. The discharge of only mechanically treated wastes into the final kilometre of the River Wisla gave rise to serious environmental problems in the coastal zone. This paper discusses the situation in 1995 and the possible relocation of the outfall based on hydrodynamic conditions. Numerical modelling has been applied to estimate the area influenced by treated water discharged at a variety of locations. The analysis indicates that the optimum location for the outfall would be approximately 2500 metres offshore.
5

Transport model of pollutants in the Gulf of Gdansk

61%
Jedrasik J., Kowalewski M.
Oceanological Studies
|
1993
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issue 64/3
61-75
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