Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition
During the RV POLARSTERN expedition PS124 to the Weddell Sea during Jan - April 2021 the Ocean Floor Observation and Bathymetry System (OFOBS) was used to collect still and video images, as well as sidescan data, from various locations surveyed during the research cruise. During the cruise the first...
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ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.932827 2024-05-19T07:29:40+00:00 Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition Purser, Autun Boehringer, Lilian Hehemann, Laura Wenzhöfer, Frank MEDIAN LATITUDE: -74.859369 * MEDIAN LONGITUDE: -30.992867 * SOUTH-BOUND LATITUDE: -75.142628 * WEST-BOUND LONGITUDE: -33.552231 * NORTH-BOUND LATITUDE: -74.656153 * EAST-BOUND LONGITUDE: -30.275583 * DATE/TIME START: 2021-02-16T03:33:58 * DATE/TIME END: 2021-03-11T03:39:36 2021 application/zip, 4 datasets https://doi.pangaea.de/10.1594/PANGAEA.932827 https://doi.org/10.1594/PANGAEA.932827 en eng PANGAEA Purser, Autun; Hehemann, Laura; Boehringer, Lilian; Tippenhauer, Sandra; Wege, Mia; Bornemann, Horst; Pineda-Metz, Santiago E A; Flintrop, Clara; Koch, Florian; Hellmer, Hartmut H; Burkhardt-Holm, Patricia; Janout, Markus A; Werner, Ellen; Glemser, Barbara; Balaguer, Jenna; Rogge, Andreas; Holtappels, Moritz; Wenzhöfer, Frank (2022): A vast icefish breeding colony discovered in the Antarctic. Current Biology, https://doi.org/10.1016/j.cub.2021.12.022 Hellmer, Hartmut H; Holtappels, Moritz (2021): The Expedition PS124 of the Research Vessel POLARSTERN to the southern Weddell Sea in 2021. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 755, 237 pp, https://doi.org/10.48433/BzPM_0755_2021 https://doi.pangaea.de/10.1594/PANGAEA.932827 https://doi.org/10.1594/PANGAEA.932827 CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess Antarctica Benthic Benthic community structure Filchner Trough ice fish Neopagetopsis ionah Dataset 2021 ftpangaea https://doi.org/10.1594/PANGAEA.93282710.1016/j.cub.2021.12.02210.48433/BzPM_0755_2021 2024-04-23T23:36:33Z During the RV POLARSTERN expedition PS124 to the Weddell Sea during Jan - April 2021 the Ocean Floor Observation and Bathymetry System (OFOBS) was used to collect still and video images, as well as sidescan data, from various locations surveyed during the research cruise. During the cruise the first extensive site of Neopagetopsis ionah nesting was discovered. This data set contains images from 4 OFOBS deployments, conducted at 1.5 and 3.5 m flight heights, and 0.5 and 1.5 knots. In the full data set, more than 12000 active fish nests are apparent. The OFOBS system consisted of a towed underwater camera system equipped with both a high-resolution photo-camera (iSiTEC, CANON EOS 5D Mark III) and a high-definition video-camera (iSiTEC, Sony FCB-H11) as well as an integrated sidescan sonar system. The cameras were mounted on a steel frame (140L x 92W x 135H cm), together with two strobe lights (iSiTEC UW-Blitz 250, TTL driven), three laser pointers spaced with a distance of 50 cm used to estimate the size of seafloor structures, four LED lights, and a USBL positioning system (Posidonia) to track the position of the OFOBS during deployments, with additional positioning information provided by the integrated INS and DVL systems. In automatic mode, a seabed photo, depicting an area of approximately 4-10 m**2, with variations depending on the actual height above ground, was taken every ~15 seconds to obtain series of TIMER stills distributed at regular distances along each of the survey profiles. Profile lengths varied in length depending on duration of the cast. At a ship speed of 0.5 kn, the average distance between seabed images was approximately 5 m, with this spacing being 15 m at 1.5 kt speed. Additional HOTKEY photos were taken from interesting objects (organisms, seabed features, etc) when they appeared in the live video feed. Dataset Antarc* Antarctica Berichte zur Polar- und Meeresforschung Reports on Polar and Marine Research Weddell Sea PANGAEA - Data Publisher for Earth & Environmental Science ENVELOPE(-33.552231,-30.275583,-74.656153,-75.142628) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
Antarctica Benthic Benthic community structure Filchner Trough ice fish Neopagetopsis ionah |
spellingShingle |
Antarctica Benthic Benthic community structure Filchner Trough ice fish Neopagetopsis ionah Purser, Autun Boehringer, Lilian Hehemann, Laura Wenzhöfer, Frank Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition |
topic_facet |
Antarctica Benthic Benthic community structure Filchner Trough ice fish Neopagetopsis ionah |
description |
During the RV POLARSTERN expedition PS124 to the Weddell Sea during Jan - April 2021 the Ocean Floor Observation and Bathymetry System (OFOBS) was used to collect still and video images, as well as sidescan data, from various locations surveyed during the research cruise. During the cruise the first extensive site of Neopagetopsis ionah nesting was discovered. This data set contains images from 4 OFOBS deployments, conducted at 1.5 and 3.5 m flight heights, and 0.5 and 1.5 knots. In the full data set, more than 12000 active fish nests are apparent. The OFOBS system consisted of a towed underwater camera system equipped with both a high-resolution photo-camera (iSiTEC, CANON EOS 5D Mark III) and a high-definition video-camera (iSiTEC, Sony FCB-H11) as well as an integrated sidescan sonar system. The cameras were mounted on a steel frame (140L x 92W x 135H cm), together with two strobe lights (iSiTEC UW-Blitz 250, TTL driven), three laser pointers spaced with a distance of 50 cm used to estimate the size of seafloor structures, four LED lights, and a USBL positioning system (Posidonia) to track the position of the OFOBS during deployments, with additional positioning information provided by the integrated INS and DVL systems. In automatic mode, a seabed photo, depicting an area of approximately 4-10 m**2, with variations depending on the actual height above ground, was taken every ~15 seconds to obtain series of TIMER stills distributed at regular distances along each of the survey profiles. Profile lengths varied in length depending on duration of the cast. At a ship speed of 0.5 kn, the average distance between seabed images was approximately 5 m, with this spacing being 15 m at 1.5 kt speed. Additional HOTKEY photos were taken from interesting objects (organisms, seabed features, etc) when they appeared in the live video feed. |
format |
Dataset |
author |
Purser, Autun Boehringer, Lilian Hehemann, Laura Wenzhöfer, Frank |
author_facet |
Purser, Autun Boehringer, Lilian Hehemann, Laura Wenzhöfer, Frank |
author_sort |
Purser, Autun |
title |
Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition |
title_short |
Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition |
title_full |
Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition |
title_fullStr |
Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition |
title_full_unstemmed |
Ocean Floor Observation and Bathymetry System (OFOBS) images of Neopagetopsis ionah ice fish nest arrays in the Filchner Trough, Antarctica collected during the PS124 Polarstern expedition |
title_sort |
ocean floor observation and bathymetry system (ofobs) images of neopagetopsis ionah ice fish nest arrays in the filchner trough, antarctica collected during the ps124 polarstern expedition |
publisher |
PANGAEA |
publishDate |
2021 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.932827 https://doi.org/10.1594/PANGAEA.932827 |
op_coverage |
MEDIAN LATITUDE: -74.859369 * MEDIAN LONGITUDE: -30.992867 * SOUTH-BOUND LATITUDE: -75.142628 * WEST-BOUND LONGITUDE: -33.552231 * NORTH-BOUND LATITUDE: -74.656153 * EAST-BOUND LONGITUDE: -30.275583 * DATE/TIME START: 2021-02-16T03:33:58 * DATE/TIME END: 2021-03-11T03:39:36 |
long_lat |
ENVELOPE(-33.552231,-30.275583,-74.656153,-75.142628) |
genre |
Antarc* Antarctica Berichte zur Polar- und Meeresforschung Reports on Polar and Marine Research Weddell Sea |
genre_facet |
Antarc* Antarctica Berichte zur Polar- und Meeresforschung Reports on Polar and Marine Research Weddell Sea |
op_relation |
Purser, Autun; Hehemann, Laura; Boehringer, Lilian; Tippenhauer, Sandra; Wege, Mia; Bornemann, Horst; Pineda-Metz, Santiago E A; Flintrop, Clara; Koch, Florian; Hellmer, Hartmut H; Burkhardt-Holm, Patricia; Janout, Markus A; Werner, Ellen; Glemser, Barbara; Balaguer, Jenna; Rogge, Andreas; Holtappels, Moritz; Wenzhöfer, Frank (2022): A vast icefish breeding colony discovered in the Antarctic. Current Biology, https://doi.org/10.1016/j.cub.2021.12.022 Hellmer, Hartmut H; Holtappels, Moritz (2021): The Expedition PS124 of the Research Vessel POLARSTERN to the southern Weddell Sea in 2021. Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 755, 237 pp, https://doi.org/10.48433/BzPM_0755_2021 https://doi.pangaea.de/10.1594/PANGAEA.932827 https://doi.org/10.1594/PANGAEA.932827 |
op_rights |
CC-BY-4.0: Creative Commons Attribution 4.0 International Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1594/PANGAEA.93282710.1016/j.cub.2021.12.02210.48433/BzPM_0755_2021 |
_version_ |
1799480685419823104 |