Marine Geoscience Data System
FKt250712 Dive Information
SOI Data Manager,
Investigator
Platform
SuBastian
ROV
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Dive Information

Dive Information

Total Dive Count: 18
Events

S0809
Start
54.4056° W 37.6112° S
2025-07-24T23:11:19.53
Locale
NotProvided
NotApplicable
Stop
2025-07-25T04:53:11.073
Nav Type
DVL/USBL/INS
Details
At the flanks of the Mar Del Plata Canyon. Exploratory first dive of this expedition.

S0810
Start
54.448° W 37.7577° S
2025-07-25T09:25:32.024
Locale
NotProvided
NotApplicable
Stop
2025-07-25T16:43:46.274
Nav Type
DVL/USBL/INS
Details
This station will be near the head of the canyon, possibly in a small mount. We expect soft sediments in the area. Possible coral mound. During the dive we will be looking for invertebrates and fishes at the bottom. We will collect samples of the specimens, but also collect water samples, eDNA, and sediments.

S0811
Start
54.4751° W 37.9859° S
2025-07-26T01:45:06.969
Locale
NotProvided
NotApplicable
Stop
2025-07-26T09:37:31.449
Nav Type
DVL/USBL/INS
Details
This station will be on a possible coral mound. We will start at the bottom of a wall mound, and we will go up. During the dive we will be looking for invertebrates and fishes at the bottom. We will collect samples of the specimens, but also collect water samples, and sediments (no eDNA in this dive).

S0812
Start
54.4083° W 37.9748° S
2025-07-26T12:57:03.098
Locale
NotProvided
NotApplicable
Stop
2025-07-26T23:24:54.265
Nav Type
DVL/USBL/INS
Details
Traversing up the western wall of a moat. Starting at a presumed area of coral mounds, and working our way up.

S0813
Start
54.3055° W 37.8415° S
2025-07-27T11:40:07.579
Locale
NotProvided
NotApplicable
Stop
2025-07-27T20:05:36.901
Nav Type
DVL/USBL/INS
Details
This station will be located near the head of the canyon. It is an unknown area for us, so the dive will be entirely exploratory. During the dive, we will be looking for invertebrates and fishes on the seafloor. We will collect specimens, as well as water samples, sediments, and eDNA. High-quality images of the fauna are extremely important. The laser should remain on at all times unless stated otherwise by the lead scientist.

S0814
Start
54.1687° W 37.8676° S
2025-07-27T23:22:01.47
Locale
NotProvided
NotApplicable
Stop
2025-07-28T15:14:11.018
Nav Type
DVL/USBL/INS
Details
This station will be located at the head of the canyon. It is an unknown area for us, so the dive will be entirely exploratory, based on the topography. During the dive, we will be looking for invertebrates and fishes on the seafloor on the north wall of the canyon. We will collect specimens, as well as water samples, sediments, and eDNA. High-quality images of the fauna are extremely important. The laser should always remain on unless stated otherwise by the lead scientist.

S0815
Start
54.0914° W 37.8166° S
2025-07-28T19:58:22.315
Locale
NotProvided
NotApplicable
Stop
2025-07-29T06:18:52.925
Nav Type
DVL/USBL/INS
Details
This station will be located on the north wall of the canyon. The dive will be mostly exploratory, based on the topography. During the dive, we will be looking for invertebrates and fishes on the sea floor of the north wall of the canyon. We will collect specimens, as well as water samples, sediments, and eDNA. High-quality images of the fauna are extremely important. The laser should always remain on unless stated otherwise by the lead scientist.

S0816
Start
54.0591° W 37.8843° S
2025-07-29T11:34:21.151
Locale
NotProvided
NotApplicable
Stop
2025-07-30T09:48:46.91
Nav Type
DVL/USBL/INS
Details
This station will be located inside the canyon. At the beginning of the dive, we will search for chemosynthetic fauna, based on findings from our previous cruises. We will start at the bottom of the canyon and move toward the north wall, exploring it all the way to the top. We will be looking for invertebrates and fish. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0817
Start
53.9715° W 37.8914° S
2025-07-30T13:16:24.99
Locale
NotProvided
NotApplicable
Stop
2025-07-31T09:58:26.75
Nav Type
DVL/USBL/INS
Details
This station will be located in the north wall of the canyon. We will start at 2782 m and move up, exploring it all the way to the top (aprox. 1700 m). We will be looking for invertebrates and fish. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0818
Start
53.8746° W 37.8893° S
2025-07-31T13:25:42.429
Locale
NotProvided
NotApplicable
Stop
2025-08-01T13:14:26
Nav Type
DVL/USBL/INS
Details
The station will be located on the north wall of the canyon. We will dive at 1860m and explore the area. We will be looking for invertebrates and fish. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser will remain on at all times unless directed otherwise by the lead scientist.

S0819
Start
53.8947° W 37.9393° S
2025-08-01T16:19:33.457
Locale
NotProvided
NotApplicable
Stop
2025-08-02T23:03:21.4
Nav Type
DVL/USBL/INS
Details
This station will be located in the south wall of the canyon, opposite to the previous dive. We will start at 3200 m and explore the area, and ascend following the wall up to 2400. We will be looking for invertebrates and fishes. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0820
Start
53.6676° W 38.0508° S
2025-08-04T09:30:43.713
Locale
NotProvided
NotApplicable
Stop
2025-08-05T11:59:04.351
Nav Type
DVL/USBL/INS
Details
This station will be located on the north wall of the canyon. We will start at 3,700 meters and move up the slope to 2,900 meters. We will be looking for invertebrates and fishes. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0821
Start
53.4272° W 38.1524° S
2025-08-05T15:59:44.1
Locale
NotProvided
NotApplicable
Stop
2025-08-06T10:39:47.931
Nav Type
DVL/USBL/INS
Details
The station will be located at the bottom of the canyon, which is a flat area. We will start at 3,700 meters and keep working at that depth to the end of the dive. We will be looking for invertebrates and fishes. We expect soft bottom during the entire dive. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless otherwise directed by the lead scientist.

S0822
Start
54.4131° W 37.9453° S
2025-08-06T20:04:02.363
Locale
NotProvided
NotApplicable
Stop
2025-08-07T19:25:12.434
Nav Type
DVL/USBL/INS
Details
This station will be located in a small mound, near a previously visited area. We will begin by performing a visual survey to confirm the presence of coral structures. If confirmed, we will map the mound using the ROV’s M3 system. The mapping area is a 120x120m box over the mound’s summit. After the video and multibeam surveys we will begin sampling. Then, we will be looking for invertebrates and fishes. We expect soft bottom during the entire dive. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0823
Start
53.9387° W 37.941° S
2025-08-07T23:02:35.129
Locale
NotProvided
NotApplicable
Stop
2025-08-08T18:06:51.787
Nav Type
DVL/USBL/INS
Details
This station will be located in the wall that separates both arms of the canyon. We will start at the bottoms and go up following a crest. We expect strong currents in the area. We will be looking for invertebrates and fishes. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0824
Start
54.1745° W 37.8838° S
2025-08-08T21:55:20.766
Locale
NotProvided
NotApplicable
Stop
2025-08-08T23:30:14.17
Nav Type
DVL/USBL/INS
Details
This station will be located in the south wall at the head of the canyon. It will be almost opposite to a previous dive (S0814). We will start at the bottom and go up. We will be looking for invertebrates and fishes. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0825
Start
54.1776° W 37.8789° S
2025-08-09T02:00:21.182
Locale
NotProvided
NotApplicable
Stop
2025-08-10T00:09:45.448
Nav Type
DVL/USBL/INS
Details
S0824 was aborted due to camera issues. This dive is a repeat of S0824. This station will be located in the south wall at the head of the canyon. It will be almost opposite to a previous dive (S0814). We will start at the bottom and go up. We will be looking for invertebrates and fishes. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

S0826
Start
54.5028° W 38.0196° S
2025-08-10T03:42:46.758
Locale
NotProvided
NotApplicable
Stop
2025-08-10T20:21:39.305
Nav Type
DVL/USBL/INS
Details
This station will be located near the head of the canyon, about 15 miles outside of it. The area will be a flat surface, mostly composed of soft sediments. We will be looking for invertebrates and fishes. Specimen collection will include biological samples, water, sediments, and eDNA. Capturing high-quality images of the fauna is extremely important. The laser should remain on at all times unless directed otherwise by the lead scientist.

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