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Multidecadal (1960-2011) shoreline changes in Isbjornhamna (Hornsund, Svalbard)

Abstract

Asection of a gravel−dominated coast in Isbjørnhamna (Hornsund, Svalbard) was analysed to calculate the rate of shoreline changes and explain processes controlling coastal zone development over last 50 years. Between 1960 and 2011, coastal landscape of Isbjørn− hamna experienced a significant shift from dominated by influence of tide−water glacier and protected by prolonged sea−ice conditions towards storm−affected and rapidly changing coast. Information derived from analyses of aerial images and geomorphological mapping shows that the Isbjørnhamna coastal zone is dominated by coastal erosion resulting in a shore area reduc− tion of more than 31,600 m2. With ~3,500 m2 of local aggradation, the general balance of changes in the study area of the shore is negative, and amounts to a loss of more than 28,000 m2. Mean shoreline change is −13.1 m (−0.26 m a−1). Erosional processes threaten the Polish Polar Station infrastructure and may damage of one of the storage buildings in nearby future.

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Authors (10)

  • Photo of dr hab. Piotr Zagórski

    Piotr Zagórski dr hab.

    • Uniwersytet Marii Curie−Skłodowskiej, Wydział Nauk o Ziemi i Gospodarki Przestrzennej, -
  • Photo of dr hab. Jan Rodzik

    Jan Rodzik dr hab.

    • Wydział Nauk o Ziemi i Gospodarki Przestrzennej, Uniwersytet Marii Curie−Skłodowskiej -
  • Photo of dr Mateusz Strzelecki

    Mateusz Strzelecki dr

    • Instytut Geografii i Rozwoju Regionalnego, Uniwersytet Wrocławski -
  • Photo of dr Mateusz Moskalik

    Mateusz Moskalik dr

    • Instytut Geofizyki, Polska Akademia Nauk -
  • Photo of Assisting Professor Michael Lim

    Michael Lim Assisting Professor

    • Northumbria University, Engineering & Environment -
  • Photo of mgr Małgorzata Błaszczyk

    Małgorzata Błaszczyk mgr

    • Wydział Nauk o Ziemi, Universytet Śląski -
  • Photo of mgr Agnieszka Promińska

    Agnieszka Promińska mgr

    • Instytut Oceanologii, Polska Akademia Nauk -
  • Photo of dr Grzegorz Kruszewski

    Grzegorz Kruszewski dr

    • Wydział Nawigacyjny, Akademia Morska -
  • Photo of mgr Artur Malczewski

    Artur Malczewski mgr

    • TPI Sp. z o.o. -

Keywords

Details

Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
Polish Polar Research no. 36, edition 4, pages 369 - 390,
ISSN: 0138-0338
Language:
English
Publication year:
2015
Bibliographic description:
Styszyńska A., Zagórski P., Rodzik J., Strzelecki M., Moskalik M., Lim M., Błaszczyk M., Promińska A., Kruszewski G., Malczewski A.: Multidecadal (1960-2011) shoreline changes in Isbjornhamna (Hornsund, Svalbard)// POLISH POLAR RESEARCH. -Vol. 36, iss. 4 (2015), s.369-390
DOI:
Digital Object Identifier (open in new tab) 10.1515/popore-2015-0019
Verified by:
Gdańsk University of Technology

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