Journal of Oceanography

, Volume 66, Issue 6, pp 865–872 | Cite as

A simple and robust procedure for coring unconsolidated sediment in shallow water

  • Hiroshi Adachi
  • Hiroya Yamano
  • Toshihiro Miyajima
  • Masahiro Nakaoka
Short Contribution


This article describes a simple, quick, and inexpensive procedure for coring unconsolidated sediment in shallow water (<30 m from water surface). A ∼1 m core is retrieved by a PVC pipe that penetrates sediment in response to the percussive force of a hand-operated hammering tool or air hammer. After retrieving the first core segment, a casing is inserted to allow access to deeper sediment layers. Pulverized sediment produced during coring is removed by a water-lubrication system that is powered by an electric pump attached to a generator. Using this system and procedure, five 2-m-long cores with excellent quality were retrieved.


Coring system sand bar tidal flat seagrass bed 


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Copyright information

© The Oceanographic Society of Japan and Springer 2010

Authors and Affiliations

  • Hiroshi Adachi
    • 1
  • Hiroya Yamano
    • 2
  • Toshihiro Miyajima
    • 3
  • Masahiro Nakaoka
    • 4
  1. 1.Geoact, Co., Ltd.Higashi-Ainonai, Kitami, HokkaidoJapan
  2. 2.Center for Global Environmental ResearchNational Institute for Environmental StudiesOnogawa, Tsukuba, IbarakiJapan
  3. 3.Atmosphere and Ocean Research InstituteThe University of TokyoKashiwanoha, Kashiwa, ChibaJapan
  4. 4.Akkeshi Marine Station, Field Science Center for Northern BiosphereHokkaido UniversityAikappu, Akkeshi, HokkaidoJapan

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