1887

Abstract

Summary

During the last years, GPR method is being widely used for ensuring safety of logistic operations in Antarctica. In this paper we present some results of GPR investigations carried out at the area of the Progress station (East Antarctica) during the field season of 2019/2020. A significant source of danger when performing work on any glaciers is crevasses that are formed due to uneven nonuniform ice flow velocity and often reach width up to tens of meters. We show results of GPR survey performed at the snow runway of the Progress station where a wide network of crevasses was detected. In contract to crevasses, which are a common feature of all glaciers, the second example is rather a specific feature of the Progress station. Here numerous freshwater lakes are presented, some of which are characterized with regular outburst . Both destructive force of the waterstream and hidden channels within snow-ice dams can be dangerous for nearby infrastructure objects. GPR survey allows us to obtain data about state of the snow-ice dams of outburst lakes, get information about the geometry of subglacial waterflow channels and possibly forecast future outbursts.

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/content/papers/10.3997/2214-4609.202051010
2020-09-14
2024-04-26
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References

  1. GrigorevaS.D., RyzhovaE.V., ChetverovaA.A., DeshevykhG.A., PopovS.V., KashkevichM.P., PryakhinaG.V.
    [2019] Geophysical surveys on the outburst of Progress Lake (Larsemann Hills, East Antarctica) in the field season of the 64th Russian Antarctic Expedition. Abstracts of the International Conference «Solving the puzzles from cryosphere», Puschino, 146–147.
    [Google Scholar]
  2. van der VeenC.J.
    [1990] Crevasses on glaciers. Polar Geogr., 23(3), 213–245.
    [Google Scholar]
  3. [1998] Fracture mechanics approach to penetration of bottom crevasses on glaciers. Cold Reg. Sci. Technol., 27(3), 213–223.
    [Google Scholar]
  4. VaughanD.G.
    [1993] Relating the occurence of crevasses to surface strain rates. J. Glaciol., 39(132), 255–266.
    [Google Scholar]
  5. ГригорьеваС.Д., РыжоваЕ.В., ПоповС.В., КашкевичМ.П., КашкевичВ.И.
    [2019] Строение приповерхностной части ледника в районе бухты Тала (Восточная Антарктида) по результатам георадарных работ сезона 2018/19 г. Пробл. Арктики и Антарктики, 65(2), 201–211.
    [Google Scholar]
  6. МачеретЮ.Я.
    [2006] Радиозондирование ледников. Научный мир, Москва.
    [Google Scholar]
  7. ПоповС.В., БоронинаА.С., ПряхинаГ.В., ГригорьеваС.Д., СухановаА.А., ТюринС.В.
    Прорывы ледниковых и подледниковых озер в районе холмов Ларсеманн (Восточная Антарктида), в 2017–2018 гг. // Геориск, 2018, Т. XII, №3, С. 56–67.
    [Google Scholar]
  8. ПоповС.В., ПоляковС.П.
    [2016] Георадарное лоцирование трещин в районе российских антарктических станций Прогресс и Мирный (Восточная Антарктида) в сезон 2014/15 года. Криосфера Земли, 20(1), 90–98.
    [Google Scholar]
  9. ПоповС.В., ПряхинаГ.В., КашкевичМ.П., ГригорьеваС.Д., СухановаА.А., БоронинаА.С.
    [2019] Применение радиолокационных методов для изучения гидрологических объектов и ледников. Труды IIIВсероссийской конференции «Гидрометеорология и экология: достижения и перспективы развития», Санкт-Петербург, 710–713.
    [Google Scholar]
  10. GrigorevaS.D., RyzhovaE.V., ChetverovaAA., DeshevykhG.A., PopovS.V., KashkevichM.P., PryakhinaG.V.
    [2019] Geophysical surveys on the outburst of Progress Lake (Larsemann Hills, East Antarctica) in the field season of the 64th Russian Antarctic Expedition. Abstracts of the International Conference «Solving the puzzles from cryosphere», Puschino, 146–147.
    [Google Scholar]
  11. GrigorevaS.D., RyzhovaE.V., PopovS.V., KashkevichM.P., KashkevichV.I.
    [2019] Structure of the near-surface part of the glacier in the Thala Bay area (east Antarctica) based on 2018/2019 ground-penetrating radar survey. Problemy Arktiki i Antarctiki, 65(2), 201–211.
    [Google Scholar]
  12. MacheretYu. Ya.
    [2006] Radiozondirovanie lednikov. Nauchniy mir, Moskva.
    [Google Scholar]
  13. PopovS.V., BoroninaA.S., PriakhinaG.V., GrigorevaS.D., SukhanovaA.A., TiurinS.V.
    [2018] Proryvy lednikovykh i podlednikovykh ozyor v rayone kholmov Larsemann (Vostochnaya Antarktida), v 2017/2018 gg. Georisk, 12(3), 56–67.
    [Google Scholar]
  14. PopovS.V., PriakhinaG.V., KashkevichM.P., GrigorevaS.D., SukhanovaA.A., BoroninaA.S.
    [2019] Primenenie radiolokacionnykh metodov dlya izucheniya gidrologicheskikh objektov I lednikov. Trudy III Vserossiyskoy konferentsii «Gidrometeorologiya i ekologia: dostizheniya i perspektivy razvitiya», Saint Petersburg, 710–713.
    [Google Scholar]
  15. PopovS.V., PolyakovS.P.
    [2016] Groung-penetrating radar sounding of the ice crevasses in the area of the Russian stations Progress and Mirny (East Antarctica) during the field season of 2014/2015. Earth’s Cryosphere, 20(1), 90–98.
    [Google Scholar]
  16. van der VeenC.J.
    [1990] Crevasses on glaciers. Polar Geogr., 23(3), 213–245.
    [Google Scholar]
  17. [1998] Fracture mechanics approach to penetration of bottom crevasses on glaciers. Cold Reg. Sci. Technol., 27(3), 213–223.
    [Google Scholar]
  18. VaughanD.G.
    [1993] Relating the occurence of crevasses to surface strain rates. J. Glaciol., 39(132), 255–266.
    [Google Scholar]
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