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BALTIC SEA ENVIRONMENT PROCEEDINGS No. 80

BALTIC SEA ENVIRONMENT PROCEEDINGS No. 80

BALTIC SEA ENVIRONMENT PROCEEDINGS No. 80

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Sampling device: GEMINI Twin Corer (FIMR; used by Finland and Russia)Type of corer: a gravity corer with 2 parallel Plexiglas coring tubesTotal length: 132 cmTotal weight: 33 kg + additional weights, max. 32 kgClosing mechanism: 2 lateral rudder closersTube length: 79 cmInner diameter of tubes: 2 x <strong>80</strong> mmSampled area: 100.5 cm 2Number of parallel samples/analysis: 1 or 2Sectioning device: identical with that of the Niemistö Corer but with a larger diameter. It consists of ascrew-operated extruder-piston, a Plexiglas slicer base and a Plexiglas slicing ring with centimetrescalingSectioning intervals: 1 or 2 or 5 cmA second version of Gemini, Gemax, is described in: Winterhalter, 1998.10

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