Owsianowski, Nils; Laudien, Jürgen; Richter, Claudio (2022): Video footage of the benthos and accompanying oceanographic CTD data recorded along a transect at station 10-9 of RV Meteor cruise M179/2 in the Seno Almirantazgo / Isla Alta (Tierra del Fuego, Chile) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.946669, In: Owsianowski, N et al. (2022): Video footage of the benthos and accompanying oceanographic CTD data recorded along 19 ROVOS transects during RV Meteor cruise M179/2 near the Strait of Magellan, the Beagle Channel and Cape Horn (Tierra del Fuego, Chile) [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.946688
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Abstract:
Underwater video recordings of the benthos and accompanying oceanographic CTD data of the environment recorded during 19 seabed transects (depth between 15-320 m) in the fjords and channels near the Strait of Magellan, the Beagle Channel and Cape Horn. The study areas cover a large part of south-western Tierra del Fuego.
A custom-built observation frame (ROVOS), based on Ocean Module V8Sii ROV (Remotely Operated Vehicle) technology, was launched from the RV Meteor and towed along 100-500 m transects at an average velocity of 0.1 kn. The device was equipped with three cameras with different perspectives: One HD camera (Kongsberg oe14-502, 720p50) pointed isometrically forward, the second 4k camera (SubC Imaging Mk6, 2160p25) was oriented downward and an observation camera (Bowtech L3C-650-L, 240p24) provided a low resolution view forward. Environmental data was recorded with a CTD (RBR Maestro), which included chlorophyll a, turbidity, oxygen, pH and PAR sensors, in addition to standard conductivity, temperature and pressure instruments. Additional CTD data are available from water profiles (Schwalfenberg, in preparation). The position of the ROVOS was recorded with the ship's own Posidonia USBL. The global orientation with respect to magnetic north was determined with an internal IMU device.
The video footage gives a comprehensive impression of the unique local cold-water ecology and particularly highlights the different composition of the prevailing communities at different depths and on changing substrates. Some of the 19 stations are repeated transects that were already carried out on a research trip in 1994 in order to analyse long-term developments.
Other version:
Owsianowski, Nils; Laudien, Jürgen; Richter, Claudio (2022): Physical oceanography during ROV dive M179/2_10-9. PANGAEA, https://doi.org/10.1594/PANGAEA.946631 (CTD data)
Project(s):
Bentho-Pelagic Processes @ AWI (AWI_BPP)
Coverage:
Median Latitude: -54.231225 * Median Longitude: -69.954435 * South-bound Latitude: -54.231230 * West-bound Longitude: -69.955000 * North-bound Latitude: -54.231220 * East-bound Longitude: -69.953870
Date/Time Start: 2022-01-23T19:58:00 * Date/Time End: 2022-01-23T21:17:00
Minimum Elevation: -313.0 m * Maximum Elevation: -313.0 m
Event(s):
M179/2_10-9 * Latitude Start: -54.231230 * Longitude Start: -69.953870 * Latitude End: -54.231220 * Longitude End: -69.955000 * Date/Time Start: 2022-01-23T19:58:00 * Date/Time End: 2022-01-23T21:17:00 * Elevation Start: -313.0 m * Elevation End: -313.0 m * Location: South Pacific Ocean * Campaign: M179/2 (FjordFlux) * Basis: Meteor (1986) * Method/Device: Remote operated vehicle (ROV) * Comment: OVOS
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Video | VIDEO | Owsianowski, Nils | |||
| 2 | Video (File Size) | VIDEO (Size) | Bytes | Owsianowski, Nils | ||
| 3 | Text file | TEXT | Owsianowski, Nils | CTD | ||
| 4 | Text file (File Size) | TEXT (Size) | Bytes | Owsianowski, Nils | CTD | |
| 5 | Text file | TEXT | Owsianowski, Nils | METADATA | ||
| 6 | Text file (File Size) | TEXT (Size) | Bytes | Owsianowski, Nils | METADATA |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Basic curation (CurationLevelB)
Size:
7 data points