CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project)
<h2>CTD observations taken simultaneously during MOCNESS tows,</h2> <p>The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The particular MOCNESS system from which these CTD data came is one of two net systems. The MOCNESS-1 has nine rectangular nets (1m x 1.4 m) whi...
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Biological and Chemical Oceanography Data Management Office (BCO-DMO)
2016
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dataone:sha256:327347fbb39e5ef528771cd4faa0533bbe9726704f4f2f33d0ccdb10c0deed20 2024-06-03T18:46:23+00:00 CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project) Dr Joseph J. Torres ENVELOPE(-76.8703,-56.5145,-63.4033,-70.42) BEGINDATE: 2010-03-10T00:00:00Z ENDDATE: 2010-04-27T00:00:00Z 2016-02-11T00:00:00Z https://search.dataone.org/view/sha256:327347fbb39e5ef528771cd4faa0533bbe9726704f4f2f33d0ccdb10c0deed20 unknown Biological and Chemical Oceanography Data Management Office (BCO-DMO) oceans Dataset 2016 dataone:urn:node:BCODMO 2024-06-03T18:11:32Z <h2>CTD observations taken simultaneously during MOCNESS tows,</h2> <p>The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The particular MOCNESS system from which these CTD data came is one of two net systems. The MOCNESS-1 has nine rectangular nets (1m x 1.4 m) which are opened and closed sequentially by commands through conducting cable from the surface (Wiebe <em>et al.</em>, 1976). In both systems, \"the underwater unit sends a data frame, comprised of temperature, depth, conductivity, net-frame angle, flow count, time, number of open net, and net opening/closing, to the deck unit in a compressed hexadecimal format every 2 seconds and from the deck unit to a microcomputer every 4 seconds... Temperature (to approximately 0.01 deg C) and conductivity are measured with SEABIRD sensors.<br /> Normally, a modified T.S.K.-flowmeter is used... Both the temperature and conductivity sensors and the flow meter are mounted on top of the frame so that they face horizontally when the frame is at a towing angle of 45deg... Calculations of salinity (to approximately 0.01 o/oo S), potential temperature (theta), potential density (sigma), the oblique and vertical velocities of the net, and the approximate volume filtered by each net are made after each string of data has been received by the computer.\" (Wiebe <em>et al.</em>, 1985)</p> <p>It should be noted that due to Antarctic cold, the first few minutes of data are often of questionable value as they are extremely variable and have a high frequency of \"50.000\" (indicating \"bad values\") in the temp, theta and sal fields. Once the sensors encounter deeper, warmer water, they start recording good values.</p> <p>For additional information, contact the <a href=\"http://globec.whoi.edu/jg/serv/globec/soglobec/inventory.html0?project,name_prin\"> chief scientist</a> for the cruise.</p> <p> </p> Dataset Antarc* Antarctic Antarctic Peninsula Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE) Antarctic Antarctic Peninsula ENVELOPE(-76.8703,-56.5145,-63.4033,-70.42) |
institution |
Open Polar |
collection |
Biological and Chemical Oceanography Data Management Office (BCO-DMO) (via DataONE) |
op_collection_id |
dataone:urn:node:BCODMO |
language |
unknown |
topic |
oceans |
spellingShingle |
oceans Dr Joseph J. Torres CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project) |
topic_facet |
oceans |
description |
<h2>CTD observations taken simultaneously during MOCNESS tows,</h2> <p>The MOCNESS is based on the Tucker Trawl principle (Tucker, 1951). The particular MOCNESS system from which these CTD data came is one of two net systems. The MOCNESS-1 has nine rectangular nets (1m x 1.4 m) which are opened and closed sequentially by commands through conducting cable from the surface (Wiebe <em>et al.</em>, 1976). In both systems, \"the underwater unit sends a data frame, comprised of temperature, depth, conductivity, net-frame angle, flow count, time, number of open net, and net opening/closing, to the deck unit in a compressed hexadecimal format every 2 seconds and from the deck unit to a microcomputer every 4 seconds... Temperature (to approximately 0.01 deg C) and conductivity are measured with SEABIRD sensors.<br /> Normally, a modified T.S.K.-flowmeter is used... Both the temperature and conductivity sensors and the flow meter are mounted on top of the frame so that they face horizontally when the frame is at a towing angle of 45deg... Calculations of salinity (to approximately 0.01 o/oo S), potential temperature (theta), potential density (sigma), the oblique and vertical velocities of the net, and the approximate volume filtered by each net are made after each string of data has been received by the computer.\" (Wiebe <em>et al.</em>, 1985)</p> <p>It should be noted that due to Antarctic cold, the first few minutes of data are often of questionable value as they are extremely variable and have a high frequency of \"50.000\" (indicating \"bad values\") in the temp, theta and sal fields. Once the sensors encounter deeper, warmer water, they start recording good values.</p> <p>For additional information, contact the <a href=\"http://globec.whoi.edu/jg/serv/globec/soglobec/inventory.html0?project,name_prin\"> chief scientist</a> for the cruise.</p> <p> </p> |
format |
Dataset |
author |
Dr Joseph J. Torres |
author_facet |
Dr Joseph J. Torres |
author_sort |
Dr Joseph J. Torres |
title |
CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project) |
title_short |
CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project) |
title_full |
CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project) |
title_fullStr |
CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project) |
title_full_unstemmed |
CTD data collected during MOCNESS tows with both 1m2 and 10m2 mouth openings from RVIB Nathaniel B. Palmer NBP1002 in the Western Antarctic Peninsula from March to May 2010 (Antarctic_micronek project) |
title_sort |
ctd data collected during mocness tows with both 1m2 and 10m2 mouth openings from rvib nathaniel b. palmer nbp1002 in the western antarctic peninsula from march to may 2010 (antarctic_micronek project) |
publisher |
Biological and Chemical Oceanography Data Management Office (BCO-DMO) |
publishDate |
2016 |
url |
https://search.dataone.org/view/sha256:327347fbb39e5ef528771cd4faa0533bbe9726704f4f2f33d0ccdb10c0deed20 |
op_coverage |
ENVELOPE(-76.8703,-56.5145,-63.4033,-70.42) BEGINDATE: 2010-03-10T00:00:00Z ENDDATE: 2010-04-27T00:00:00Z |
long_lat |
ENVELOPE(-76.8703,-56.5145,-63.4033,-70.42) |
geographic |
Antarctic Antarctic Peninsula |
geographic_facet |
Antarctic Antarctic Peninsula |
genre |
Antarc* Antarctic Antarctic Peninsula |
genre_facet |
Antarc* Antarctic Antarctic Peninsula |
_version_ |
1800870123874025472 |