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    Wyświetlanie 1-6 z 6
    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:
    Water conductivity of Arctic zone soils (Spitsbergen)
    Autorzy:
    Witkowska-Walczak, B.
    Slawinski, C.
    Bartminski, P.
    Melke, J.
    Cymerman, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/25209.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Agrofizyki PAN
    Tematy:
    water conductivity
    soil
    grain size
    distribution
    pore size
    Arctic zone
    Spitsbergen
    Opis:
    The water conductivity of arctic zone soils derived in different micro-relief forms was determined. The greatest water conductivity at the 0-5 cm depth for the higher values of water potentials (> -7 kJ m-3) was shown by tundra polygons (Brunic-Turbic Cryosol, Arenic) – 904-0.09 cm day-1, whereas the lowest were exhibited by Turbic Cryosols – 95-0.05 cm day-1. Between -16 and -100 kJ m-3, the water conductivity for tundra polygons rapidly decreased to 0.0001 cm day-1, whereas their decrease for the other forms was much lower and in consequence the values were 0.007, 0.04, and 0.01 cm day-1 for the mud boils (Turbic Cryosol (Siltic, Skeletic)), cell forms (Turbic Cryosol (Siltic, Skeletic)), and sorted circles (Turbic Cryosol (Skeletic)), respectively. In the 10-15 cm layer, the shape of water conducti-vity curves for the higher values of water potentials is nearly the same as for the upper layer. Similarly, the water conductivity is the highest – 0.2 cm day-1 for tundra polygons. For the lower water potentials, the differences in water conductivity increase to the decrease of soil water potential. At the lowest potential the water conductivity is the highest for sorted circles – 0.02 cm day-1 and the lowest in tundra polygons – 0.00002 cm day-1.
    Źródło:
    International Agrophysics; 2014, 28, 4
    0236-8722
    Pojawia się w:
    International Agrophysics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Economic development of the Russian Arctic space by upgrading transport and logistics sector
    Autorzy:
    Selin, V.
    Larichkin, F.
    Novoseltceva, V.
    Powiązania:
    https://bibliotekanauki.pl/articles/224129.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic zone
    natural resources
    transport hub
    modernization
    transport and logistics sector
    Arktyka
    zasoby naturalne
    węzeł komunikacyjny
    modernizacja
    sektor transportu i logistyki
    Opis:
    The article characterizes the growing interest of the Arctic states and the world community to the development of the vast natural resources in the harsh environment of the Arctic, including the development of programs and the strategy, the importance of international cooperation, harmonization of legal framework of economic activities in the macro-region. The essential modernization and development of transport and logistics complex in the effective development of the Arctic zone is substantiated. A conceptual model for creating the modern transport and logistics complex applicable to Murmansk transport hub, the largest in the Russian Arctic, has been developed.
    Źródło:
    Archives of Transport; 2014, 31, 3; 61-72
    0866-9546
    2300-8830
    Pojawia się w:
    Archives of Transport
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Composition and distribution of intertidal meiofauna of Isfjorden, West Spitsbergen
    Autorzy:
    Mokievsky, Vadim O.
    Powiązania:
    https://bibliotekanauki.pl/articles/2052775.pdf
    Data publikacji:
    1992
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Spitsbergen
    tidal zone
    meiofauna
    Źródło:
    Polish Polar Research; 1992, 13, 1; 31-40
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    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:
    Some results of three-year investigations on the interannual variability of the Norwegian-Barents confluence zone
    Autorzy:
    Druet, Czesław
    Jankowski, Andrzej
    Powiązania:
    https://bibliotekanauki.pl/articles/2052782.pdf
    Data publikacji:
    1992
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    Arctic
    Norwegian-Barents Seas
    confluence zone
    interannual variability
    water and heat exchage
    Źródło:
    Polish Polar Research; 1992, 13, 1; 3-17
    0138-0338
    2081-8262
    Pojawia się w:
    Polish Polar Research
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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