Survey of ice-cover structure and sediment parameters of lake Imandra by ground-penetrating radar

Transactions of the Karelian Research Centre of the Russian Academy of Sciences Pub Date : 2023-10-25 DOI:10.17076/lim1799

Юлия Сергеевна Новикова, Павел Александрович Рязанцев, Юрий Александрович Дворников, Надежда Вадимовна Двоеглазова, Алексей Владимирович Толстиков, Мария Николаевна Игнатьева, Iuliia Novikova, Pavel Ryazantsev, Yury Dvornikov, Nadezhda Dvoeglazova, Alexey Tolstikov, Maria Ignatieva

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Abstract

As part of the 2nd practice school for polar limnologists in Apatity, at the research station "Tietta" of the Kola Scientific Center of the Russian Academy of Sciences, participants obtained basic ground-penetrating radar (GPR) survey skills to solve limnology problems. GPR survey was carried out on the ice-covered Imandra Lake to study parameters of ice and bottom sediments in spatial section. Performing manual measurements and georadar surveys of ice determined the snow-cover thickness, white and crystalline ice layers. As a result of the GPR survey, the bottom morphology and depth of lithological boundaries were determined. The reliability of the depth determination was confirmed by CTD-measuring.

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探地雷达探测伊曼德拉湖冰盖结构和沉积物参数

作为第二期极地湖泊学家实习学校的一部分，在俄罗斯科学院科拉科学中心的“Tietta”研究站，参与者获得了解决湖泊问题的基本探地雷达(GPR)调查技能。利用探地雷达对冰覆盖的伊曼德拉湖进行了空间剖面的冰和底泥参数研究。对冰进行人工测量和地质雷达调查，确定了积雪厚度、白色和结晶冰层。通过探地雷达测量，确定了岩性边界的底部形态和深度。通过ctd测量，验证了测深的可靠性。

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Transactions of the Karelian Research Centre of the Russian Academy of Sciences

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24 weeks