Characteristics of Portable Core Samplers for Lake Deposit Investigations

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  • KATSUKI Kota
    Estuary Research Center, Shimane University
  • SETO Koji
    Estuary Research Center, Shimane University
  • SUGANUMA Yusuke
    Polar Research Institute Department of Polar Science, School of Multidisciplinary Sciences, The Graduate University for Advanced Studies (SOKENDAI)
  • YANG Dong Yoon
    Geological Research Center, Geology Division, Korea Institute of Geoscience and Mineral Resources

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  • 湖底堆積物調査における携帯型採泥器具の種類と特徴について
  • コテイ タイセキブツ チョウサ ニ オケル ケイタイガタサイデイ キグ ノ シュルイ ト トクチョウ ニ ツイテ

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Abstract

<p> A suitable sampling tool is indispensable for making sediment observation. Eleven portable sediment core samplers using lake sediment observations are introduced: two box core samplers, four dropping core samplers, and five pushing core samplers. Some are popular for making sediment observations. However, others are unique and are not well known, although they have excellent characteristics. Their structures, merits, demerits, and suitable lake conditions are explained. Core samplers introduced are: Ekman-Birge grab sampler, Smith-McIntyre grab sampler, Rigo gravity corer, Limnos corer, Knocking corer, Mackereth piston corer, Proto-type pushing piston corer, Seto-type undisturbed separable piston corer, Suganuma-type portable percussion piston corer, Multisampler, and Russian Peat sampler.</p>

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