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Transformation of water conditions of the South Baltic accumulation coast caused by the sediment of the Young River Delta in the environment of variable human pressure
Magierska, S.; Cieslinski, R. (2006). Transformation of water conditions of the South Baltic accumulation coast caused by the sediment of the Young River Delta in the environment of variable human pressure, in: Evolutions in hydrography, 6th - 9th November 2006, Provincial House Antwerp, Belgium: Proceedings of the 15th International Congress of the International Federation of Hydrographic Societies. Special Publication (Hydrographic Society), 55: pp. 211-214
In: (2006). Evolutions in hydrography, 6th - 9th November 2006, Provincial House Antwerp, Belgium: Proceedings of the 15th International Congress of the International Federation of Hydrographic Societies. Special Publication of the Hydrographic Society, 55. International Federation of Hydrographic Society: London. 234 + cd-rom pp., more
In: Special Publication (Hydrographic Society). Hydrographic Society: London. ISSN 0309-8303, more

Available in Authors 
Document type: Conference paper

Keywords
    Hydrography; Sedimentation; ANE, Poland, Puck Bay [Marine Regions]; Marine

Authors  Top 
  • Magierska, S.
  • Cieslinski, R.

Abstract
    The work presents the results of researches made on the transformation of water conditions caused by the sediments of the young river delta. (Reda) as an effect of changing antophopressure. The Reda River with drainage area of 485,2km2 and average annual discharge of 7,3 m3/s flows into Puck Bay (Gdańsk Bay, The South Baltic Sea). At the mouth of the Reda river there is delta, which in the last years has undergone significant changes as a result of the varying human pressure. This work aims to reconstruct the changes on the area of young, still sediment delta, which is the subject to changes and increasing influence of human activity. In the reconstruction of the above-mentioned changes the researchers used information technology integrating and analyzing the spatial information. The following image-data have been collected and analyzed: air data, data from archival topographic maps, DTN, soil maps, data about deployment of habitat fauna and flora and data obtained for hydro- chemical research. Registered phenomena have been analyzed in quantitative mode with the help of applicable models and algorithms used together with geographical information systems (GIS). Such systems enable to analyze any spatial data conditioned to numeral form and shaped in automatic mode. As a result of comparative analysis the changes, which generally are the result of delta natural development i.e. transformation of a principal tributary, lagoon formation and its destruction (eroding of the old delta by sea current) have been registered. Substantiated was also the transformation connected with human activity: land improvement, agriculture, polders, formation of past production dump and achievements connected with the protection of fauna and flora species.

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