A multicalorimeter for the study of biological activity in marine sediments

A multicalorimeter for the study of biological activity in marine sediments

A multicalorimeter is described which allows the measurement of heat production of up to 10 sediment samples simultaneously. System regulation as well as data processing and evaluation are performed by personal computer. The instrument performs well even at non-controlled room temperature down to –0...

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Veröffentlicht in:Marine ecology. Progress series (Halstenbek) 1988-01, Vol.45 (1/2), p.201-204
Hauptverfasser: Graf, Gerhard, Martens, Volker, Queisser, Wolfgang, Weinholz, Peter, Altenbach, Alexander
Format: Artikel
Sprache:eng
Schlagworte:
Aluminum
Anaerobiosis
Calibration
Calorimeters
Heat measurement
Heat transfer
Marine
Materials flow
Sediments
Steels
Thermogenesis
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Beschreibung
Zusammenfassung:A multicalorimeter is described which allows the measurement of heat production of up to 10 sediment samples simultaneously. System regulation as well as data processing and evaluation are performed by personal computer. The instrument performs well even at non-controlled room temperature down to –0.5 °C on board a research vessel. First results from tests employing pressure chambers are presented. An example for a deep-sea heat-production profile is given from the Norwegian Basin, depicting subsurface maxima in benthic activity.
ISSN:0171-8630
1616-1599
DOI:10.3354/meps045201