High sampling rate thermistor string observations at the slope of Great Meteor Seamount
A high sampling rate (1 Hz) thermistor string has been built to accommodate the scientific need to accurately monitor high-frequency and vigorous internal wave and overturning processes in the ocean. The thermistors and their custom designed electronics can register temperature at an estimated preci...
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Copernicus Publications
2005
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Online Access: | http://www.ocean-sci.net/1/17/2005/os-1-17-2005.pdf https://doaj.org/article/8692c95f633a44538e1167d30cd0c0d9 |
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fttriple:oai:gotriple.eu:oai:doaj.org/article:8692c95f633a44538e1167d30cd0c0d9 2023-05-15T17:33:05+02:00 High sampling rate thermistor string observations at the slope of Great Meteor Seamount H. van Haren R. Groenewegen M. Laan B. Koster 2005-01-01 http://www.ocean-sci.net/1/17/2005/os-1-17-2005.pdf https://doaj.org/article/8692c95f633a44538e1167d30cd0c0d9 en eng Copernicus Publications 1812-0784 1812-0792 http://www.ocean-sci.net/1/17/2005/os-1-17-2005.pdf https://doaj.org/article/8692c95f633a44538e1167d30cd0c0d9 undefined Ocean Science, Vol 1, Iss 1, Pp 17-28 (2005) envir geo Journal Article https://vocabularies.coar-repositories.org/resource_types/c_6501/ 2005 fttriple 2023-01-22T17:51:18Z A high sampling rate (1 Hz) thermistor string has been built to accommodate the scientific need to accurately monitor high-frequency and vigorous internal wave and overturning processes in the ocean. The thermistors and their custom designed electronics can register temperature at an estimated precision of about 0.001° C with a response time faster than 0.25 s down to depths of 6000 m. With a quick in situ calibration using SBE 911 CTD an absolute accuracy of 0.005° C is obtained. The present string holds 128 sensors at 0.5 m intervals, which are all read-out within 0.5 s. When sampling at 1 Hz, the batteries and the memory capacity of the recorder allow for deployments of up to 2 weeks. In this paper, the instrument is described in some detail. Its performance is illustrated with examples from the first moored observations, which show Kelvin-Helmholtz overturning and very high-frequency (Doppler-shifted) internal waves besides occasionally large turbulent bores moving up the sloping side of Great Meteor Seamount, Canary Basin, North-Atlantic Ocean. Article in Journal/Newspaper North Atlantic Unknown Meteor Seamount ENVELOPE(8.500,8.500,-48.000,-48.000) |
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Open Polar |
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language |
English |
topic |
envir geo |
spellingShingle |
envir geo H. van Haren R. Groenewegen M. Laan B. Koster High sampling rate thermistor string observations at the slope of Great Meteor Seamount |
topic_facet |
envir geo |
description |
A high sampling rate (1 Hz) thermistor string has been built to accommodate the scientific need to accurately monitor high-frequency and vigorous internal wave and overturning processes in the ocean. The thermistors and their custom designed electronics can register temperature at an estimated precision of about 0.001° C with a response time faster than 0.25 s down to depths of 6000 m. With a quick in situ calibration using SBE 911 CTD an absolute accuracy of 0.005° C is obtained. The present string holds 128 sensors at 0.5 m intervals, which are all read-out within 0.5 s. When sampling at 1 Hz, the batteries and the memory capacity of the recorder allow for deployments of up to 2 weeks. In this paper, the instrument is described in some detail. Its performance is illustrated with examples from the first moored observations, which show Kelvin-Helmholtz overturning and very high-frequency (Doppler-shifted) internal waves besides occasionally large turbulent bores moving up the sloping side of Great Meteor Seamount, Canary Basin, North-Atlantic Ocean. |
format |
Article in Journal/Newspaper |
author |
H. van Haren R. Groenewegen M. Laan B. Koster |
author_facet |
H. van Haren R. Groenewegen M. Laan B. Koster |
author_sort |
H. van Haren |
title |
High sampling rate thermistor string observations at the slope of Great Meteor Seamount |
title_short |
High sampling rate thermistor string observations at the slope of Great Meteor Seamount |
title_full |
High sampling rate thermistor string observations at the slope of Great Meteor Seamount |
title_fullStr |
High sampling rate thermistor string observations at the slope of Great Meteor Seamount |
title_full_unstemmed |
High sampling rate thermistor string observations at the slope of Great Meteor Seamount |
title_sort |
high sampling rate thermistor string observations at the slope of great meteor seamount |
publisher |
Copernicus Publications |
publishDate |
2005 |
url |
http://www.ocean-sci.net/1/17/2005/os-1-17-2005.pdf https://doaj.org/article/8692c95f633a44538e1167d30cd0c0d9 |
long_lat |
ENVELOPE(8.500,8.500,-48.000,-48.000) |
geographic |
Meteor Seamount |
geographic_facet |
Meteor Seamount |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_source |
Ocean Science, Vol 1, Iss 1, Pp 17-28 (2005) |
op_relation |
1812-0784 1812-0792 http://www.ocean-sci.net/1/17/2005/os-1-17-2005.pdf https://doaj.org/article/8692c95f633a44538e1167d30cd0c0d9 |
op_rights |
undefined |
_version_ |
1766131464278114304 |