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1

Selected properties of the coastal waters of the Gulf of Gdansk (autumn 1994 and summer 1995)

100%
Witkowska K., Dubrawski R.
Oceanological Studies
|
1998
|
vol. 27
|
issue 4
11-21
EN
Results of investigations on the physical and chemical properties (transparency, temperature, salinity, total nitrogen and phosphorus contents) of the Gulf of Gdansk near-shore waters carried out in autumn 1994 (September - October) and summer 1995 (June - July) are presented. Spatial and seasonal variability of water properties and environmental conditions were determined. The results obtained point to the steady degradation of near-shore environment, the range of which is slowly extending further into the water body.
2

The state of environment of the gulf of Gdansk coast-al zone in autumn 1994 and summer 1995

100%
Kruk-Dowgiallo L., Dubrawski R.
Oceanological Studies
|
1998
|
vol. 27
|
issue 4
137-159
EN
Results of monitoring carried out in the coastal zone between Kuznica and Gorki Wschodnie (down to 20 m depth) in autumn 1994 and summer 1995 are presented. These investigations were a continuation of measurements taken in the areas of Hel and Krynica Morska in summer 1992 (down to the 60 m depth). The state and directions of seasonal and multi-annual changes of chemical, micro-biological and biological properties of the water and sediment environment of the Gulf's coastal zone are discussed. The results of presented investigations and of experimental research carried out in the Gulf of Gdansk environment were the basis for the development of a system for protection and regeneration of the biocenosis of the Gulf.
3

Properties of surface of bottom sediments in the coastal zone of the Gulf of Gdansk (1994-1995)

81%
Dubrawski R., Witkowska K., Kula A.
Oceanological Studies
|
1998
|
vol. 27
|
issue 4
23-47
EN
Results of chemical and granulometric investigations of bottom surface sediments of the near-shore zone - beach and shallow water zone - carried out along cross-shore profiles in the Gulf of Gdansk in the period 1994-1996 are presented. Organic matter, total phosphorus and nitrogen, and carbonate (beach and dune) contents, also pH and the reducing-oxidising potential (Eh), as well as granulo-metric composition of the sediments were determined. The seasonal and spatial changes in sediment composition, relationships between the components, the rate of self-purification and the influence of factors shaping the properties of sediments were defined. It has been found that the sediment environment of the Gulf of Gdansk is in poor condition and that its further degradation is likely to happen.
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