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    Wyświetlanie 1-8 z 8
    Tytuł:
    Adsorption of water vapour and the specific surface area of arctic zone soils (Spitsbergen)
    Autorzy:
    Cieśla, Jolanta
    Sokołowska, Zofia
    Witkowska-Walczak, Barbara
    Skic, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/972372.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    specific surface area
    arctic zone
    cryosols
    Opis:
    Water vapour/nitrogen adsorption were investigated and calculated the specific surface areas of arctic-zone soil samples (Turbic Cryosols) originating from different micro-relief forms (mud boils, cell forms and sorted circles) and from different depths. For the characterisation of the isotherms obtained for arctic soils, the Brunauer-Emmet-Teller model was then compared with the two other models (Aranovich-Donohue and Guggenheim-Anderson-de Boer) which were developed from Brunauer-Emmet-Teller. Specific surface area was calculated using the Brunauer-Emmet-Teller model at p p0-1 range of 0.05-0.35 for the water vapour desorption and nitrogen adsorption isotherms. The values of total specific surface area were the highest in Cryosols on mud boils, lower on cell forms, and the lowest on sorted circles. Such tendency was observed for the results obtained by both the water vapour and nitrogen adsorption.The differences in the values of specific surface area at two investigated layers were small. High determination coefficients were obtained for relationships between the specific surface areas and contents of clay and silt fraction in Cryosols. No statistically significant correlation between the total carbon amount and the values of specific surface area in Cryosols has been found.
    Źródło:
    International Agrophysics; 2018, 32, 1
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Functionality of Sea Ice Data Sources on the NSR
    Autorzy:
    Pastusiak, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/117634.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Northern Sea Route
    e-Navigation
    sea ice data source
    ISM Code
    ice navigation
    IRIDIUM Satellite System
    arctic area
    ice certificate
    Opis:
    The functionality of available official sources of sea ice data for the Northern Sea Route to date is low. In recent years a large number of new publicly available sources have appeared. Their functionality for purposes of route planning has yet to be evaluated. This study presents results of qualitative and expert analyses of various sources. It is proposed to use new indicators to enable comparison of functionality of data sources. New sources provide the technical progress that is instrumental in reducing the amount of effort and influence of the human factor in the decision-making system. The study also presents solutions to the problem of limited bandwidth available at high latitudes with Iridium satellite system. Presented solutions can be used on any vessel by any company or navigator to implement or design the decision support system related to route planning in ice in accordance with the requirements of the ISM Code and concept of e-Navigation.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 3; 441-450
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Maritime Situation Monitoring for Safe Navigation on Northern Sea Route
    Autorzy:
    Popovich, V.V.
    Smirnova, O.V.
    Popovich, T.V.
    Powiązania:
    https://bibliotekanauki.pl/articles/116586.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Northern Sea Route
    maritime situation monitoring
    safe navigation
    safety at sea
    Arctic shelf
    Arctic area
    polar navigation
    geographic information system (GIS)
    Opis:
    Considering growing intensity of navigation on Northern Sea Route and of continuous exploration and development of Arctic shelf, problems of maritime situation monitoring in Arctic become particularly important. Firstly, complex operational informational support of activities in Arctic is needed. Secondly, constant access to actual and valid information about hydro-meteorological, navigational and ice situations is required. Solution of stated problems entails integration, processing and analysis of large amounts of heterogeneous data. Consequently, development of unified system for situation monitoring and intellectual support is essential. Such system allows to execute operational monitoring of dangerous situations of different sort (natural or anthropogenic) that influence safety of objects in Arctic region, and to perform intellectual analysis of such situations and prompt provision of suitable recommendations.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 3; 433-440
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Navigating a vessel without an ice class on the NSR close to the front of Ice-free zone during ice melting period
    Autorzy:
    Pastusiak, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/117228.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    Arctic shipping
    ice-free zone
    ice melting period
    ice class
    Northern Sea Route (NSR)
    ice-free transit corridor
    Arctic area
    Arctic navigation
    Opis:
    Arikaynen A.I., Tsubakov K.N. 1987. Alphabet of ice navigation. [in Russian] (Aзбyкa лeдoвoгo плaвaния). Transport, Moscov: 224 Buysse J. 2007. Handling ships in ice, A practical guide to handling 1A and 1AS classed ships. The Nautical Institute, London: 166 House D.J., Lloyd T., Toomey P.R.M., Dickins D. 2010. The ice navigation manual. Witherby Seamanship International Ltd: 409 International Hydrographic Office, 1953. Limits of oceans and seas. Publication S-23: 40 International Hydrographic Office, 2002. Limits of oceans and seas. Publication S-23, Draft 4th Edition, 2002: 235 Jurdziński M. 2000. Planning the navigation in ice [in Polish] (Planowanie nawigacji w lodach). Wyższa Szkoła Morska, Gdynia: 192 NATICE, 2018. MIZ ice concentration maps in ESRI Shape format. U.S. National Ice Center, http://www.natice.noaa.gov/Main_Products.htm. Accessed 19.12.2018 Natural Earth, 2017. Free vector and raster map data at 1:10 m, 1:50 m, and 1:110 m scales, http://www.naturalearth-data.com. Accessed 01.01.2017 Parnell G.Q. 1986. Ice seamanship, Monograph. The Nauitical Institute: 87 Pastusiak T. 2016a. The time window for vessels without ice strengthening on the Northern Sea Route, Annual of Navigation, No. 23: 103-119 Pastusiak T. 2016b. The Northern Sea Route as a shipping lane. Expectations and Reality, ISBN 978-3-319-41832-2, ISBN eBook 978-3-319-41834-6, Springer International Publishing AG, Switzerland: 247 Pastusiak T. 2016c. Principles of Vessel Route Planning in Ice on the Northern Sea Route, TRANSNAV, International Journal of Marine Navigation and safety of sea transportation, Vol. 10 No. 4 - December 2016 Pastusiak T. 2018. Planning independent transit voyages of vessel without ice strengthening through the Northern Sea Route [in Polish] (Planowanie samodzielnych podróży tranzytowych statku bez wzmocnień lodowych przez Północną Drogę Morską). Akademia Morska w Gdyni, Gdynia, ISBN 978-83-7421-286-1: 278 Pastusiak T. 2020. Voyages on the Northern Sea Route, Springer International Publishing, 1st ed. 2020, XXXVIII, Print ISBN 978-3-030-25489-6: 279 Shapaev V.M. 1975. Hydrometeorological conditions and navigation [in Russian] (Гидрометеорологические условя и мореплавание). Moscov, Transport: 248
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 227-233
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optical water types of the Nordic Seas and adjacent areas
    Autorzy:
    Aas, E.
    Hojerslev, N.K.
    Hokedal, J.
    Sorensen, K.
    Powiązania:
    https://bibliotekanauki.pl/articles/47844.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Arctic Sea
    Baltic Sea
    Barents Sea
    Nordic Sea
    optical classification
    adjacent area
    surface layer
    weather condition
    coastal water
    irradiance
    Źródło:
    Oceanologia; 2013, 55, 2
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Principles of vessel route planning in Ice on the Northern Sea Route
    Autorzy:
    Pastusiak, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/117236.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    ice navigation
    route planning
    vessel route planning
    Northern Sea Route (NSR)
    arctic area
    human factor
    Safety at Sea
    polar navigation
    Opis:
    A complex of ice cover characteristics and the season of the year were considered in relation to vessel route planning in ice-covered areas on the NSR. The criteria for navigation in ice - both year-round and seasonal were analyzed. The analysis of the experts knowledge, dissipated in the literature, allowed to identify some rules of route planning in ice-covered areas. The most important processes from the navigation point of view are the development and disintegration of ice, the formation and disintegration of fast ice and behavior of the ice massifs and polynyas. The optimal route is selected on basis of available analysis and forecast maps of ice conditions and ice class, draught and seaworthiness of the vessel. The boundary of the ice indicates areas accessible to vessels without ice class. Areas with a concentration of ice from 0 to 6/10 are used for navigation of vessels of different ice classes. Areas of concentration of ice from 7/10 up are eligible for navigation for icebreakers and vessels with a high ice class with the assistance of icebreakers. These rules were collected in the decision tree. Following such developed decision-making model the master of the vessel may take decision independently by accepting grading criteria of priorities resulting from his knowledge, experience and the circumstances of navigation. Formalized form of decision making model reduces risk of the "human factor" in the decision and thereby help improve the safety of maritime transport.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2016, 10, 4; 587-592
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Safe navigation of cruise ships in greenlandic waters - legal frame and practical challenges
    Autorzy:
    Rasmussen, H. B.
    Feldtmann, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/117401.pdf
    Data publikacji:
    2020
    Wydawca:
    Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
    Tematy:
    cruise vessels
    safe navigation
    Greenlandic waters
    practical challenges
    arctic area
    legal frame
    legal regime
    safety at sea
    Opis:
    Climate change provides for improved conditions for maritime navigation and results in increased activity in the Arctic. Those increased activities influence the safety at sea and risk of accidents. A disaster as the Costa Concordia incident would have far more serious consequences in Greenlandic waters than it had in Italy, therefore the question of prevention and disaster-preparedness is crucial. One approach to avoid risks is to create specific legislation. The legal system guiding safe navigation of cruise ships in/around Greenlandic waters is complex: the legal regime for navigation is set in different general and specific international, regional and national legal acts, partly non-binding, therefore issues of effectiveness arise. Safety is also influenced by practical issues, e.g. the lack of sufficient nautical charts for Greenlandic waters and “preparedness” at land to handle potential disasters, such as the SAR-system and preparedness of different actors, for example hospitals.
    Źródło:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation; 2020, 14, 1; 207-212
    2083-6473
    2083-6481
    Pojawia się w:
    TransNav : International Journal on Marine Navigation and Safety of Sea Transportation
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Svalbard as a study model of future High Arctic coastal environments in a warming world
    Autorzy:
    Piskozub, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/48795.pdf
    Data publikacji:
    2017
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    Svalbard Archipelago
    climate change
    Arctic area
    coastal area
    sea surface temperature
    Spitsbergen fjord
    water temperature
    sea ice
    cloud
    Arctic environment
    Opis:
    Svalbard archipelago, a high latitude area in a region undergoing rapid climate change, is relatively easily accessible for field research. This makes the fjords of Spitsbergen, its largest island, some of the best studied Arctic coastal areas. This paper aims at answering the question of how climatically diverse the fjords are, and how representative they are for the expected future Arctic diminishing range of seasonal sea-ice. This study uses a meteorological reanalysis, sea surface temperature climatology, and the results of a recent one-year meteorological campaign in Spitsbergen to determine the seasonal differences between different Spitsbergen fjords, as well as the sea water temperature and ice ranges around Svalbard in recent years. The results show that Spitsbergen fjords have diverse seasonal patterns of air temperature due to differences in the SST of the adjacent ocean, and different cloudiness. The sea water temperatures and ice concentrations around Svalbard in recent years are similar to what is expected most of the Arctic coastal areas in the second half of this century. This makes Spitsbergen a unique field study model of the conditions expected in future warmer High Arctic.
    Źródło:
    Oceanologia; 2017, 59, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-8 z 8

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