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Wyświetlanie 1-15 z 106
Tytuł:
A cost-effective method for estimating long-term effects of waves on beach erosion with application to Sitia Bay, Crete
Autorzy:
Karathanasi, F.E.
Belibassakis, K.A.
Powiązania:
https://bibliotekanauki.pl/articles/47505.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
beach
erosion
sea environment
hydrodynamic process
seabed
sediment transport
long-term effect
Sita Bay
Crete
Źródło:
Oceanologia; 2019, 61, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A system for the determination of surface water pCO2 in a highly variable environment, exemplified in the Southern Baltic Sea
Autorzy:
Stokowski, M.
Makuch, P.
Rutkowski, K.
Wichorowski, M.
Kulinski, K.
Powiązania:
https://bibliotekanauki.pl/articles/2078920.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
surface water
carbon dioxide
coastal zone
environment change
inorganic carbon
open water
Baltic Sea
Opis:
Measurement of pCO2 in highly dynamic coastal zones such as the southern Baltic Sea presents many challenges. In this study, we designed a system to measure pCO2 and then validated it in a series of laboratory and seagoing tests. The fast response time of the system was shown to provide a better resolution of CO2 system gradients. In the open waters of the Baltic Sea, the accuracy of the pCO2 measurements (±1.3 μatm) met the requirements of the ICOS (±2.0 μatm). In the coastal zone, there was less consistency between pCO2, DIC and pH measurements, suggesting the need to redefine the quality assurance and control requirements for the measurement of pCO2 in dynamic regions.
Źródło:
Oceanologia; 2021, 63, 2; 276-282
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Acoustic information applied to 4D environmental studies in the Baltic
Autorzy:
Orlowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/47526.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
biomass density
fishery science
abiotic factor
environmental factor
environment
Baltic Sea
biotic factor
marine ecosystem
fish distribution
Opis:
Since 1981, acoustic information collected in the form of calibrated measurements of integrated echo energy has been applied at the Sea Fisheries Institute to observe the relationships between fish distribution and environmental factors. Data gathered in different seasons for each elementary distance unit (EDSU) at standardised depth intervals were compared to the values of selected environmental parameters measured in parallel. Acoustic, biological and hydrological data were correlated in space and transferred to the complex database, enabling 4D analysis of numerous factors characterising a wide range of fish behaviour. A number of methods and standards of comparisons are described to explain how to improve understanding of the relationship between 3D spatial environmental gradients and fish distributions. The results of various case studies, including the influence of hydrologic and seabed characterising factors, illustrate the practical application and validity of the methods. Particular attention is given to indicators of the dependence of local fish biomass density on the temperature structure in the sea.
Źródło:
Oceanologia; 2006, 48, 4
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Amunicja chemiczna zatopiona w morzu bałtyckim - poszukiwania i ocena ryzyka - projekt badawczy CHEMSEA
Sunken unken chemical ammunition in the BALTIC SEA - research and risk assessment - CHEMSEA scientific programme
Autorzy:
Fabisiak, J.
Olejnik, A.
Powiązania:
https://bibliotekanauki.pl/articles/366152.pdf
Data publikacji:
2012
Wydawca:
Polskie Towarzystwo Medycyny i Techniki Hiperbarycznej
Tematy:
amunicja chemiczna
bojowe środki trujące
Morze Bałtyckie
ochrona środowiska morskiego
Program Regionu Morza Bałtyckiego
chemical munitions
Baltic Sea
marine environment protection
Baltic Sea Regional Programme
Opis:
W roku 2011 uruchomiony został międzynarodowy projekt badawczy w ramach 8 Programu Regionalnego dla Morza Bałtyckiego (2007 – 2013) pn.: „Chemical munitions search and assessment” (CHEMSEA). Projekt ma zmniejszyć ryzyko związane z zatopioną po II Wojnie Światowej amunicją chemiczną w Morzu Bałtyckim. Partnerzy projektu mają wspólnie określić miejsca i wykonać mapę rejonów zagrożonych oraz przygotować wytyczne dla potencjalnych osób, które mogą napotkać takie ryzyko. Projekt jest priorytetowy z punktu widzenia Unijnej Strategii dla Morza Bałtyckiego. Liderem projektu jest Polska, w projekcie bierze udział 11 instytucji z państw nadbałtyckich, w tym Akademia Marynarki Wojennej w Gdyni. W artykule przedstawiono ogólnie zadania projektu i zakres udziału Akademii Marynarki Wojennej w Gdyni.
The year 2011 marked the commencement of an international research project within the 8th Regional Programme for the Baltic Sea (2007 – 2013) titled: “Chemical munitions search and assessment” (CHEMSEA). The aim of the project is to reduce the risk related to chemical ammunition sunken in the Baltic Sea after World War II. Project partners are to determine, through mutual cooperation, the locations of such ammunition and prepare a map of endangered regions as well as set forth guidelines for any potential persons that may encounter such a threat. The project received priority of the Union Strategy for the Baltic Sea. Poland has been assigned as leader of the project encompassing 11 institutions from the Baltic countries, including the Naval Academy in Gdynia. The article presents general tasks of the project and the related scope of activity assigned to the Polish Naval Academy in Gdynia.
Źródło:
Polish Hyperbaric Research; 2012, 2(39); 25-52
1734-7009
2084-0535
Pojawia się w:
Polish Hyperbaric Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis and evaluation of ferry services in the baltic sea region in the context of environmental solutions
Autorzy:
Kaśkosz, Karolina
Powiązania:
https://bibliotekanauki.pl/articles/34670829.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
sea ferry
electric drive
natural environment
e-mobility
prom morski
napęd elektryczny
środowisko naturalne
e-mobilność
Opis:
This paper discusses the opportunities for reducing the emissions of substances dangerous to the environment as a result of switching from traditional ferry drives to electric propulsion systems. The research carried out included the analysis and evaluation of the technical solutions that are currently used in mixed passenger/vehicle vessels operating in the Baltic Sea Region (BSR). A comparative analysis of the impact of internal combustion engines and environmentally-friendly alternatives was also performed. The objective of the paper was to analyse and evaluate the organisation of ferry services in the BSR in the context of the propulsion systems used in ferries. The technical solutions currently used in the vessels under review were identified, as well as the possibilities offered by electric propulsion.
Źródło:
Quality Production Improvement - QPI; 2021, 3, 1; 357-368
2657-8603
Pojawia się w:
Quality Production Improvement - QPI
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Antarctic benthic fauna in the global climate change
Autorzy:
Kidawa, A.
Janecki, T.
Powiązania:
https://bibliotekanauki.pl/articles/12018.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Antarctic
benthic fauna
global climate change
climate change
aquatic ecosystem
benthos
marine environment
ecological consequence
sea water
warming
salinity change
acidification
ice
alien species
Opis:
An important question stated in the presented paper is: Could rotifers be the indicators of climate change in the Antarctic environments? Rotifers are one of the most important components of the invertebrate fauna of the Antarctic freshwater and terrestrial ecosystems. However, investigations of their distribution, diversity and an ecological role in the environment have been widely neglected, mainly due to the methodological and taxonomical difficulties. During the investigations 176 species of rotifers were found, including the endemic and cosmopolitan species. Their existence is directly proportional to microvariations of humidity factor. Scientists still have poor knowledge about the occurrence of rotifer species in recently studied habitats e.g. cryoconite holes, nunataks or soil. Probably rotifers could be the indicators of climate change in the Antarctic freshwater and terrestrial ecosystems but more investigations and monitoring studies are needed.
Źródło:
Papers on Global Change; 2011, 18
2300-8121
1730-802X
Pojawia się w:
Papers on Global Change
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Anthropogenic radionuclides 137Cs and 90Sr in the Southern Baltic Sea ecosystem
Autorzy:
Zalewska, T.
Suplinska, M.
Powiązania:
https://bibliotekanauki.pl/articles/47966.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
137 caesium
90 strontium
radioisotope
artificial radionuclide
Southern Baltic Sea
Chernobyl disaster
marine environment
high concentration
radioactive pollution
radioactive pollutant
marine area
benthic organism
bottom sediment
macroinvertebrate
fish
marine sediment
sea water
Źródło:
Oceanologia; 2013, 55, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Assessment of recent and chalcolithic period environmental pollution using Mytilus galloprovincialis Lamarck, 1819 from Yarimburgaz Cave, the Northern Marmara Sea and Bosphorus coasts
Autorzy:
Barut, I.F.
Meric, E.
Yokes, M.B.
Powiązania:
https://bibliotekanauki.pl/articles/47682.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
geochemistry
Mytilus galloprovincialis
shell
monitoring
metal pollution
environment pollution
Yarimburgaz Cave
Marmara Sea
Bosphorus coast
Źródło:
Oceanologia; 2016, 58, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Basic for a valuation of the Polish Exclusive Economic Zone of the Baltic Sea: Rationale and quest for tools
Autorzy:
Weslawski, J.M.
Andrulewicz, E.
Kotwicki, L.
Kuzebski, E.
Lewandowski, A.
Linkowski, T.
Massel, S.R.
Musielak, S.
Olanczuk-Neyman, K.
Pempkowiak, J.
Piekarek-Jankowska, H.
Radziejewska, T.
Rozynski, G.
Sagan, I.
Skora, K.E.
Szefler, K.
Urbanski, J.
Witek, Z.
Wolowicz, M.
Zachowicz, J.
Zarzycki, T.
Powiązania:
https://bibliotekanauki.pl/articles/47570.pdf
Data publikacji:
2006
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
marine environment
erosion
mineral resource
biofiltration
Polish Exclusive Economic Zone
economic valuation
Baltic Sea
ecosystem
marine ecosystem
coastal sand
fish resource
Opis:
This paper summarises current knowledge of goods and services in the Polish Exclusive Economic Zone of the Baltic Sea ecosystem. It reviews specific properties of the Baltic that could be used for economic valuation. Goods and services range from the familiar resources of fish and minerals, which were valued with the Productivity Method, to less obvious services provided by the ecosystem such as biofiltration in coastal sands, valued with either the Replacement Cost or Damage Cost Avoided methods. Disservices to the marine ecosystem are also considered, e.g. erosion and coastal flooding, including the costs of planned mitigating measures. This paper emphasises the importance of using valuation methods to help make better-educated decisions for the sustainability of the Baltic Sea.
Źródło:
Oceanologia; 2006, 48, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Beyond salty reins – modelling benthic species spatial response to their physical environment in the Pomeranian Bay (Southern Baltic Sea)
Autorzy:
Glockzin, M.
Gogina, M.
Zettler, M.L.
Powiązania:
https://bibliotekanauki.pl/articles/84889.pdf
Data publikacji:
2009
Wydawca:
Akademia Pomorska w Słupsku
Tematy:
macrozoobenthos
ecological modelling
environmental factor
multivariate analysis
benthic species
spatial response
physical environment
Baltic Sea
Pomeranian Bay
aquatic environment
salinity
species distribution
Opis:
The brackish water environment of the Baltic Sea is dominated by a strong gradient of salinity and along with salinity the benthic diversity decreases – salinity is regarded as the master factor regulating benthic diversity in brackish habitats. In this scheme, consistently small patches of comparatively higher or lower benthic diversity do emerge in areas where either environmental or anthropogenic impacts on the benthic habitat change drastically over short spatial distances. Hence, spatial diversity of ecological factors creates diversity among benthic colonization and community structures. We show through a logistic modeling approach the possibility to predict thereby induced benthic colonization areas and community structures inside the broad scheme of a brackish water habitat. This study bases upon quantitative macrozoobenthic abundance data collected over a period of 4 years. It clearly demonstrates the need to analyze species’ relationships in gradient systems such as the Baltic Sea and provides a tool to predict natural and anthropogenic forced changes in species distribution.
Źródło:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline; 2009, 13 part II
1643-0115
Pojawia się w:
Baltic Coastal Zone. Journal of Ecology and Protection of the Coastline
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bioaccumulation of gamma emitting radionuclides in red algae from the Baltic Sea under laboratory conditions
Autorzy:
Zalewska, T.
Saniewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/48962.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Baltic Sea
bioaccumulation
environment pollution
Furcellaria lumbricalis
heavy metal
laboratory condition
macroalga
marine alga
marine organism
Polysiphonia fucoides
radionuclide
red alga
Opis:
The bioaccumulation ability of radionuclides 51Cr, 54Mn, 57Co, 60Co, 65Zn, 85Sr, 109Cd, 110mAg, 113Sn, 137Cs and 241Am in two red algae species from the southern Baltic Sea – Polysiphonia fucoides and Furcellaria lumbricalis – was determined under laboratory conditions. P. fucoides demonstrated better bioaccumulative properties towards most of the investigated radionuclides. As a result, P. fucoides can be recommended as a good bioindicator of radioactive environmental pollution. The bioaccumulation of radionuclides in F. lumbricalis was studied during an extended laboratory experiment. The initial extensive uptake of radioisotopes was followed by the rapid removal of cations; in general, concentrations tended to decrease with time. 137Cs displayed a different behaviour, its concentration in the algae increasing over time mainly due to its large ion radius; this is a factor that could be responsible for the stronger mechanical and chemical bonding of Cs+ and that could hamper the movement of ions in both directions.
Źródło:
Oceanologia; 2011, 53, 2
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bioaccumulation of microcystins in invasive bivalves: A case study from the boreal lagoon ecosystem
Autorzy:
Paldaviciene, A.
Zaiko, A.
Mazur-Marzec, H.
Razinkovas-Baziukas, A.
Powiązania:
https://bibliotekanauki.pl/articles/47622.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
microcystin
mussel tissue
zebra mussel
bioaccumulation
bivalve
Dreissena polymorpha
brackish water
eutrophic water
Curonian Lagoon
Baltic Sea
environment condition
biomonitoring
protein phosphatase
ELISA test
Źródło:
Oceanologia; 2015, 57, 1
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Biodiversity of the Arctic Ocean in the face of climate change
Autorzy:
Weslawski, J.M.
Powiązania:
https://bibliotekanauki.pl/articles/11979.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
biodiversity
Arctic Ocean
climate change
global climate change
Arctic sea
aquatic ecosystem
Arctic environment
sea water
water temperature
salinity level
Opis:
Global climate changes which has been observed over the recent years affects organisms occurring in the Arctic seas and the functioning of the whole maritime ecosystems there. The research note presents and briefly analyses the biological diversity of the Arctic Ocean and the most important factors which change the relations between organisms and the environment in the Arctic.
Źródło:
Papers on Global Change; 2011, 18
2300-8121
1730-802X
Pojawia się w:
Papers on Global Change
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Calibration of backward-in-time model using drifting buoys in the East China Sea
Autorzy:
Yu, F.
Li, J.
Zhao, Y.
Li, Q.
Chen, G.
Powiązania:
https://bibliotekanauki.pl/articles/47533.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
crude oil
marine environment
marine pollution
oil spill
China Sea
random walk
wind field
calibration
Opis:
In the process of oil exploitation and transportation, large amounts of crude oil are often spilled, resulting in serious pollution of the marine environment. Forecasting oil spill reverse trajectories to determine the exact oil spill sources is crucial for taking proactive and effective emergency measures. In this study, the backward-in-time model (BTM) is proposed for identifying sources of oil spills in the East China Sea. The wind, current and random walk are three major factors in the simulation of oil spill sources. The wind drag coefficient varies along with the uncertainty of the wind field, and the random walk is sensitive to various traits of different regions, these factors are taken as constants in most of the state-of-the-art studies. In this paper, a self-adaptive modification mechanism for drift factors is proposed, which depends on a data set derived from the drifter buoys deployed over the East China Sea shelf. It can be well adapted to the regional characteristics of different sea areas. The correlation factor between predicted positions and actual locations of the drifters is used to estimate optimal coefficients of the BTM. A comparison between the BTM and the traditional method is also made in this study. The results presented in this paper indicate that our method can be used to predict the actual specific spillage locations.
Źródło:
Oceanologia; 2017, 59, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Changes in the security environment of the Baltic States
Autorzy:
Kamiński, Mariusz Antoni
Powiązania:
https://bibliotekanauki.pl/articles/1550034.pdf
Data publikacji:
2020
Wydawca:
Towarzystwo Wiedzy Obronnej
Tematy:
Baltic states
security
Baltic Sea region
national defense
security environment
kraje bałtyckie
bezpieczeństwo
region Morza Bałtyckiego
obrona narodowa
środowisko bezpieczeństwa
Opis:
The main aim of the article is to analyze the security environment of Lithuania, Latvia and Estonia. The author presents the security dilemmas of the Baltic States before their accession to NATO in 2004 (based on the example of the Republic of Estonia). Subsequently, the author shows the changes that have occurred in the security systems of the Baltic states since the beginning of the hybrid war in Ukraine in 2014. The author also draws attention to key security problems and points to Polish experiences that could be successfully adopted by Lithuania, Latvia and Estonia.
Źródło:
Wiedza Obronna; 2020, 4; 25-37
0209-0031
2658-0829
Pojawia się w:
Wiedza Obronna
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 106

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