Swiss journal of hydrology

, Volume 48, Issue 1, pp 104–115 | Cite as

The limnogeology-ETH coring system

  • K. Kelts
  • U. Briegel
  • K. Ghilardi
  • K. Hsu
Article

Abstract

Various methods are available for coring in lakes. We have developed an integrated coring system based on a modified Kullenberg poston-corer principle which is particularly useful for multiple coring in deep lakes. The selection of sites is guided by concurrent high-resolution (3.5 kHz) continuous seismic profiling.

The system is modular for simple transport, and includes a very reliable tripweight gravity corer which uses the same plastic liners as the piston corer. Piston-core lengths are variable in 2, 4, or 5 m sections up to 16 m.

This system has been successfully deployed in glacially deepened perialpine lakes (Lakes Zürich, Zug, Greifensee, Lucerne, Walensee, Constance, Murten, Neuchâtel, Geneva, Thun, Brienz, Maggiore, Lugano, Iseo, Garda, d'Annecy, Bourget and Ammersee), deep rift lakes of Africa (Turkana, Albert, Edward, Kiwu), Lake Ohrid (Jugoslavia), Lake Van (Turkey), Qinghai Lake (China), and in very shallow hypersaline lakes Urmia (Iran) and Great Salt Lake (USA).

Following numerous requests, this paper describes the system concept and constructional features that have been refined over the last 12 years. Development has stressed increasing simplification and increased reliability.

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Copyright information

© Birkhäuser Verlag 1986

Authors and Affiliations

  • K. Kelts
    • 1
  • U. Briegel
    • 1
  • K. Ghilardi
    • 1
  • K. Hsu
    • 1
  1. 1.Geological InstituteETH-ZZürichSwitzerland

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