Maritime Institute in Gdansk

Nowy Targ, Poland

Maritime Institute in Gdansk

Nowy Targ, Poland
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Gorska-Zabielska M.,Jan Kochanowski University | Kamienska K.,Maritime Institute in Gdansk
Quaestiones Geographicae | Year: 2017

The geotourism potential of ten geosites, occurring within the Drawskie Lake District, north-western Poland, was evaluated to demonstrate the need for the establishment of a geopark named "Postglacial land of the Drawa and Dȩbnica rivers". Each site was investigated in respect of its scientific (geological and geomorphological), educational, economic, conservation, and added values. It has been found that two geosites, being also cultural heritage sites (Drahim Castle and Pottery Settlement in Sikory), have the greatest geotourism potential. Different aspects of inanimate nature are promoted in both geosites. Thanks to the existence of such objects there is a good chance for the successful development of geotourism, which is a tool for the sustainable socio-economic development of the region. © 2017 Faculty of Geographical and Geological Sciences, Adam Mickiewicz University.

Staniszewska M.,Maritime Institute in Gdansk | Boniecka H.,Maritime Institute in Gdansk | Gajecka A.,Maritime Institute in Gdansk
Soil and Sediment Contamination | Year: 2013

The concentrations of polycyclic aromatic and petroleum hydrocarbons, polychlorinated biphenyls, dioxins, organochlorine and organophosphoric pesticides, tributyltin and metals were determined in sediments of the approach fairways to the main ports in the Polish part of the Vistula Lagoon and of the Elbla{ogonek}g River. Analyzed sediments contained low concentrations of all contaminants, except petroleum hydrocarbons. The average petroleum hydrocarbons' (PHCs) concentration was 630 mg kg-1, indicating significant pollution with petroleum hydrocarbons. The highest concentrations of analyzed contaminants were identified in the vicinity of Elbla{ogonek}g, part of the Vistula Lagoon under the most anthropogenic pressure. © 2013 Copyright Taylor and Francis Group, LLC.

Lisimenka A.,Maritime Institute in Gdansk | Kubicki A.,GEO Ingenieurservice Nord West
Geo-Marine Letters | Year: 2016

A new spectral analysis technique is proposed for rhythmic bedform quantification, based on the 2D Fourier transform involving the calculation of a set of low-order spectral moments. The approach provides a tool for efficient quantification of bedform length and height as well as spatial crest-line alignment. Contrary to the conventional method, it not only describes the most energetic component of an undulating seabed surface but also retrieves information on its secondary structure without application of any band-pass filter of which the upper and lower cut-off frequencies are a priori unknown. Validation is based on bathymetric data collected in the main Vistula River mouth area (Przekop Wisły), Poland. This revealed two generations (distinct groups) of dunes which are migrating seawards along distinct paths, probably related to the hydrological regime of the river. The data enable the identification of dune divergence and convergence zones. The approach proved successful in the parameterisation of topographic roughness, an essential aspect in numerical modelling studies. © 2016 The Author(s)

Nowakowska J.,Medical University of Gdańsk | Pikul P.,Medical University of Gdańsk | Ciura K.,Medical University of Gdańsk | Piotrowicz J.,Maritime Institute in Gdansk
Central European Journal of Chemistry | Year: 2013

Chromatographic properties of five steroid drugs: cortisone, hydrocortisone, methylprednisolone, prednisolone and norgestrel have been studied by normal-, reversed-phase and hydrophilic neutral cyano-bonded silica stationary phase with five binary mobile phases (acetonitrile-water, acetonitrile-DMSO, acetonitrile-methanol, acetone-petroleum ether, acetone-water) in which the concentration of organic modifier was varied from 0 to 100% (v/v). This study reports the optimization of steroid hormones separation. Chromatographic retention data and possible retention mechanisms are discussed. Separation abilities of mobile and stationary phases were studied using the principal component analysis method. The best separation of methylprednisolone and prednisolone is with a chromatographic system included silica gel as stationary phase and mixture of acetonitrile and DMSO (10:90 v/v). These two anti-inflammatory drugs can be fast separated from norgestrel when CN is used as stationary phase and acetone and water (40:60 v/v) as mobile phase. The highest values of the parameter Δ(ΔG) and alfa for cortisone and hydrocortisone was observed in case of using CN as stationary phase and water-acetonitryle (40:60 v/v) as mobile phase. © 2013 Versita Warsaw and Springer-Verlag Wien.

Staniszewska M.,University of Gdansk | Burska D.,University of Gdansk | Sapota G.,Maritime Institute in Gdansk | Bogdaniuk M.,Maritime Institute in Gdansk | And 3 more authors.
Marine Pollution Bulletin | Year: 2011

The influence of the sediment's physico-chemical properties and black carbon content, on the distribution of polycyclic aromatic hydrocarbons and polychlorinated biphenyls in benthic sediments of the Gulf of Gdansk (Baltic Sea) was determined. Sediments from port, marine dump site of dredged spoils, the Vistula river mouth, Gdansk Deep were selected.The concentrations of ∑PAHs (fluoranthene, pyrene, benzo(a)anthracene, benzo(k)fluoranthene, benzo(a)pyrene, dibenzo(ah)anthracene, benzo(ghi)perylene) were 294-2200. ng/g d.w. and for ∑PCBs (28, 52, 101, 118, 138, 153, 180) were 2.4-11.3. ng/g d.w.The sediments content of loss on ignition was 1.13-16.15%, total organic carbon was 0.89-7.15%, black carbon was 0.20-1.15%. The highest correlation coefficient values (r= 0.76-0.92, p< 0.05) for a relationship between the concentrations of organic pollutants, and organic matter, organic and black carbon contents were obtained in harbor sediments with low content of organic matter (<5%) and high share of black carbon in total carbon (up to 40%). © 2011 Elsevier Ltd.

Galka M.,Adam Mickiewicz University | Tobolski K.,Adam Mickiewicz University | Bubak I.,Maritime Institute in Gdansk
Quaternary International | Year: 2015

Late Glacial and Early Holocene vegetation history and lake level fluctuations in NE Poland were described based on high-resolution plant macrofossils analyses and records of pollen, diatoms, and radiocarbon dates. The development of Lake Kojle-Perty began in the Allerød (GI-1c). Cooling during the Younger Dryas (GS-1) led to the development of communities of heliophyte herbaceous plants. Palaeobotanical and lithostratigraphical records demonstrate that abrupt climate changes at approximately 11,600 and 9450 cal. BP resulted in distinct changes in the vegetation and water level of Lake Kojle-Perty. Climate warming in the Younger Dryas-Holocene transition (11,600 cal. BP) caused the development of the terrestrial vegetation dominated by cold deciduous forest (Betula), and appearance of thermophylious aquatic plants: Typha latifolia, Najas marina, and Ceratophyllum demersum. A gradual decrease in the lake level since 11,200 cal. BP is evident from the appearance of plants from shallow lake environments (Potamogeton natans and Hippuris vulgaris). The low water levels since 10,700 cal. BP resulting from increased temperature and evaporation caused the development of peat on limnic sediments. The dry and warm climatic phase with lowest lake level in the lakes of NE Poland were coeval with the expansion of temperate deciduous forests (Corylus and Ulmus) that commenced at approximately 10,500 cal. BP. A distinctive increase in lake levels at approximately 9450 cal. BP is suggested by the development of rush plants such as Cladium mariscus and aquatic plants such as Najas marina, Chara sp., and Nuphar lutea in the shallow parts of Lake Kojle-Perty. The increased lake levels correspond with the expansion of Alnus glutinosa in North-East (NE) Poland. Our reconstructions of the vegetation development and lake level changes align with results from other studies in the region. © 2014.

Klusek Z.,Polish Academy of Sciences | Lisimenka A.,Maritime Institute in Gdansk
Oceanologia | Year: 2013

The paper presents results of investigations performed in a wave channel in order to determine associations between the dissipation of surface wave energy during breaking and acoustic noise emission. The experiments were carried out in fresh water in the Large Wave Flume (GWK) at the Forschungszentrum Küste (FZK) in Hanover (Germany). Relationships between the acoustic noise energy and losses of surface wave energy were estimated over the broad acoustic frequency band from 350 to 12 500 Hz, and the characteristic temporal changes of the spectral properties of noise in the breaking process were demonstrated. It was found that the ratio of acoustic noise energy generated during wave breaking to the energy dissipation of single plunging breakers with heights of 1.6-2.8 m were in the 10-9;-10-8; range and found to be in reasonable agreement with the results of some previous experiments performed for smaller scales of breaking wave. The study contributes to the development of a passive acoustic method for the parameterization of sea surface dynamic processes. © Polish Academy of Sciences, Institute of Oceanology, 2013.

Zauchan J.,Maritime Institute in Gdansk
Marine Policy | Year: 2014

This paper reviews the development of sea basin maritime spatial planning (MSP) through the concerted efforts of several coastal nations based on the case of the Baltic Sea Region. Additionally, the readiness of Poland to assume its place within the existing sea-basin planning system is analyzed since Poland, as one of the last countries in the region to do so, announced the official commencement of MSP on November 18, 2013. The paper analyzes the progress of MSP in the Baltic Sea Region and discusses the question of the interplay between planning efforts executed nationally and the need to take into consideration much broader sea-basin contexts and perspectives. The conclusions drawn at the end of the paper explain how macro-regional MSP systems influence planning efforts in individual countries and how they might alleviate barriers that are typically encountered in the initial stages of MSP development at national levels. © 2014 The Author.

Rucinska-Zjadacz M.,University of Gdansk | Rudowski S.,Maritime Institute in Gdansk
Oceanological and Hydrobiological Studies | Year: 2015

The Hel Peninsula is a 35 km long spit that extends into water depths of almost 60 m. Unlike most sandy barriers, the distal end of the Hel Peninsula is prograding into the deep water. This affects unique conditions for the evolution of this section of the Peninsula. The aim of this study is to determine the morpholithodynamic changes on the tip of the Hel Peninsula. Shore studies were performed in 2006-2008 and 2012. Measurements included: beach profiling, determination of shoreline and dune base line positions, and collection of sediment samples. The different nature of the eastern, central and western part of the Hel tip is evident. The eastern part is accumulative, the central part is variable with the general nature of strong and differently directed redeposition and accumulative periods, while the western part is highly erosive. © 2015 Faculty of Oceanography and Geography, University of Gdańsk, Poland.

Klusek Z.,Polish Academy of Sciences | Lisimenka A.,Maritime Institute in Gdansk
Journal of the Acoustical Society of America | Year: 2016

The results of ambient sea noise measurements performed in strongly stratified shallow basins in the southern Baltic Sea are presented. The experiments were conducted with an autonomous hydroacoustic buoy that was equipped with two omnidirectional hydrophones located inside and outside the seasonal waveguide. Data were collected in two areas with contrastingly diverse sound propagation conditions - at the Bornholm Deep in winter and at the Gdansk Deep in summer. The noise spectrum levels indicate a strong dependence on the sound propagation conditions (season, location) and show significant differences with the observation depth. At frequencies f < 1 kHz, the noise at the same wind speeds is approximately 10-15 dB higher in winter than in summer. The wind-driven component of the noise frequently does not match the patterns of the Knudsen curves. Furthermore, the noise demonstrates the diel variability. The relative differences of the noise spectrum levels inside and outside of the subsurface winter waveguide reveal regular changes by as much as 15 dB, and are the most visible in the frequency range of 1-2 kHz after sunset. The changes are synchronized with the vertical migration of marine organisms and correspond to the resonant frequencies of the fishes' swim bladders. © 2016 Acoustical Society of America.

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