Adaptation, test and in situ measurements with O-2 microopt(r)odes on benthic landers

Glud, Ronnie Nohr and Klimant, Ingo and Holst, Gerhard and Kohls, Oliver and Meyer, Volker and Kuehl, Michael and Gundersen, Jens Kristian (1999) Adaptation, test and in situ measurements with O-2 microopt(r)odes on benthic landers. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, 46 (1). pp. 171-183. ISSN 0967-0637, 1879-0119

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Abstract

Oxygen microopt(r)odes have recently been introduced as an alternative to microelectrodes in the field of aquatic biology. We here describe adaptation, test results and first in situ measurements made with O-2 microopt(r)odes on deep-sea benthic landers. This includes a detailed description of the sensors, the mechanical mounting, and the necessary measuring system. Hydrostatic pressure effects on the sensors and the optical penetrators are evaluated and discussed. Further, in situ micoopt(r)ode data obtained by a profiling lander (Profilur) and a benthic chamber lander (Elinor) are presented, discussed and compared to measurements obtained simultaneously by Clark type O-2 microelectrodes. The obtained data demonstrated that opt(r)odes are a realistic and good alternative to electrodes for landers and other measuring good alternative to electrodes for landers and other measuring platforms during deep-sea deployments. (C) 1999 Elsevier Science Ltd. All rights reserved.

Item Type: Article
Uncontrolled Keywords: OXYGEN-UPTAKE; MICROELECTRODE; SEDIMENTS; OCEAN;
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Analytische Chemie, Chemo- und Biosensorik
Depositing User: Dr. Gernot Deinzer
Date Deposited: 29 Nov 2022 11:32
Last Modified: 29 Nov 2022 11:32
URI: https://pred.uni-regensburg.de/id/eprint/48636

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