Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea
<qd> Churnside, J. H., Tenningen, E., and Wilson, J. J. 2009. Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea. – ICES Journal of Marine Science, 66: 1023–1028. </qd>A broad-scale lidar survey was conducted in the Norwegian Sea in summer 2...
Published in: | ICES Journal of Marine Science |
---|---|
Main Authors: | , , |
Format: | Text |
Language: | English |
Published: |
Oxford University Press
2009
|
Subjects: | |
Online Access: | http://icesjms.oxfordjournals.org/cgi/content/short/66/6/1023 https://doi.org/10.1093/icesjms/fsp026 |
id |
fthighwire:oai:open-archive.highwire.org:icesjms:66/6/1023 |
---|---|
record_format |
openpolar |
spelling |
fthighwire:oai:open-archive.highwire.org:icesjms:66/6/1023 2023-05-15T17:46:59+02:00 Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea Churnside, James H. Tenningen, Eirik Wilson, James J. 2009-07-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/66/6/1023 https://doi.org/10.1093/icesjms/fsp026 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/66/6/1023 http://dx.doi.org/10.1093/icesjms/fsp026 Copyright (C) 2009, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2009 fthighwire https://doi.org/10.1093/icesjms/fsp026 2009-07-03T20:19:12Z <qd> Churnside, J. H., Tenningen, E., and Wilson, J. J. 2009. Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea. – ICES Journal of Marine Science, 66: 1023–1028. </qd>A broad-scale lidar survey was conducted in the Norwegian Sea in summer 2002. Since then, various data-processing techniques have been developed, including manual identification of fish schools, multiscale median filtering, and curve fitting of the lidar profiles. In the automated techniques, applying a threshold to the data, as carrried out already to eliminate plankton scattering, has been demonstrated previously to improve the correlation between lidar and acoustic data. We applied these techniques to the lidar data of the 2002 survey and compared the results with those of a mackerel ( Scomber scombrus ) survey done by FV “Endre Dyrøy” and FV “Trønderbas” during the same period. Despite a high level of variability in both lidar and trawl data, the broad-scale distribution of fish inferred from the lidar agreed with that of mackerel caught by the FV “Endre Dyrøy”. This agreement was obtained using both manual and automated processing of the lidar data. This work is the first comparison of concurrent lidar and trawl surveys, and it demonstrates the utility of airborne lidar for mackerel studies. Text Norwegian Sea HighWire Press (Stanford University) Norwegian Sea Dyrøy ENVELOPE(17.691,17.691,69.092,69.092) ICES Journal of Marine Science 66 6 1023 1028 |
institution |
Open Polar |
collection |
HighWire Press (Stanford University) |
op_collection_id |
fthighwire |
language |
English |
topic |
Articles |
spellingShingle |
Articles Churnside, James H. Tenningen, Eirik Wilson, James J. Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea |
topic_facet |
Articles |
description |
<qd> Churnside, J. H., Tenningen, E., and Wilson, J. J. 2009. Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea. – ICES Journal of Marine Science, 66: 1023–1028. </qd>A broad-scale lidar survey was conducted in the Norwegian Sea in summer 2002. Since then, various data-processing techniques have been developed, including manual identification of fish schools, multiscale median filtering, and curve fitting of the lidar profiles. In the automated techniques, applying a threshold to the data, as carrried out already to eliminate plankton scattering, has been demonstrated previously to improve the correlation between lidar and acoustic data. We applied these techniques to the lidar data of the 2002 survey and compared the results with those of a mackerel ( Scomber scombrus ) survey done by FV “Endre Dyrøy” and FV “Trønderbas” during the same period. Despite a high level of variability in both lidar and trawl data, the broad-scale distribution of fish inferred from the lidar agreed with that of mackerel caught by the FV “Endre Dyrøy”. This agreement was obtained using both manual and automated processing of the lidar data. This work is the first comparison of concurrent lidar and trawl surveys, and it demonstrates the utility of airborne lidar for mackerel studies. |
format |
Text |
author |
Churnside, James H. Tenningen, Eirik Wilson, James J. |
author_facet |
Churnside, James H. Tenningen, Eirik Wilson, James J. |
author_sort |
Churnside, James H. |
title |
Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea |
title_short |
Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea |
title_full |
Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea |
title_fullStr |
Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea |
title_full_unstemmed |
Comparison of data-processing algorithms for the lidar detection of mackerel in the Norwegian Sea |
title_sort |
comparison of data-processing algorithms for the lidar detection of mackerel in the norwegian sea |
publisher |
Oxford University Press |
publishDate |
2009 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/66/6/1023 https://doi.org/10.1093/icesjms/fsp026 |
long_lat |
ENVELOPE(17.691,17.691,69.092,69.092) |
geographic |
Norwegian Sea Dyrøy |
geographic_facet |
Norwegian Sea Dyrøy |
genre |
Norwegian Sea |
genre_facet |
Norwegian Sea |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/66/6/1023 http://dx.doi.org/10.1093/icesjms/fsp026 |
op_rights |
Copyright (C) 2009, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsp026 |
container_title |
ICES Journal of Marine Science |
container_volume |
66 |
container_issue |
6 |
container_start_page |
1023 |
op_container_end_page |
1028 |
_version_ |
1766151016864022528 |