NA137_Dive_H1910 (1 of 4) 2022-03-25 20:01:52
Channel: Nautilus Live Dive Recordings
Date: 2022-04-18

This playlist includes satellite recordings of all ROV dives conducted during a single expedition cruise, with each dive divided into three-hour segments. File names include the following information: 

ROV Hercules Dive--Cruise ID--Dive Number--Date[yymmdd]Time[hhmm]UTC--Recording Segment Number.

All files are recorded at UTC-0, as recorded by ROV Hercules' primary imaging camera.

Scientific/research requests for the full video or for sub-sets of video can be made https://nautiluslive.org/join/scientists-ashore-program. Please note that the YouTube videos may be incomplete and are not the full resolution video. For press or licensing requests, please email press@oet.org.

The observations presented below were recorded by the scientists and data loggers aboard the ship during the dive. These are preliminary observations only. Data has not been QA/QC’d or otherwise verified, and may contain inaccuracies and errors.

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00:00:07 - Data: argus in water descending
00:00:35 - Data: in water time was ~19:54 UTC
00:10:06 - Data: DC GF on Hercules deteriorating to 8k now.
00:43:19 - Data: consistent marine snow as Herc descends
00:48:48 - Data: siphonophore
00:58:30 - Data: Seafloor in sight
01:01:05 - Data: Initial seafloor observations: Rocky with ledges and walls, not a heavy amount of sediment as far as we can see so far.
01:03:46 - Data: shrimp swimming by
01:04:15 - Data: Stalked crinoid
01:04:28 - Data: Black coral and a number of stalked crinoids on this wall
01:04:56 - Data: Octocoral; bright purple in color
01:06:10 - Data: Snake star intertwined in the purple octocoral
01:06:36 - Data: Amphipods swimming around the octocoral
01:08:05 - Data: Cup coral
01:08:57 - Data: Primnoid coral
01:10:19 - Data: Polychaete
01:10:36 - Data: Glass sponge with a very long stalk
01:12:42 - Data: Long-legged shrimp
01:14:25 - Data: Herc moving upslope
01:14:42 - Data: Crinoid
01:17:26 - Data: Porifera
01:19:11 - Data: Two shrimp inside the Porifera
01:19:55 - Data: Megamoth tunicate
01:20:48 - Data: Continuing upslope, another 20m at bearing 150
01:21:20 - Data: Seastar and sponge
01:24:26 - Data: Two different types of sponges
01:24:26 - Data: 
01:24:26 - Data: 
01:25:39 - Data: Brittle sea star observed with the two glass sponges
01:27:03 - Data: Another 20 m move at 150 bearing
01:27:08 - Data: Porifera
01:29:04 - Data: Stalked crinoid
01:30:21 - Data: Tracks observed in the sediment, probably from benthic movement from animals
01:32:36 - Data: Stalked crinoid
01:33:04 - Data: Slope is steep, Herc continues to move upslope after attempted rock sampling
01:33:35 - Data: Cup coral
01:33:44 - Data: Unbranched primnoid
01:34:43 - Data: Cup coral
01:35:50 - Data: Wall is pretty much vertical
01:36:22 - Data: Primnoid coral; branches all seem to come from the same node
01:41:17 - Sample: Slurp
01:45:49 - Data: Three crinoids
01:47:21 - Data: Seven crinoids
01:49:01 - Data: Shrimp
01:50:10 - Data: Crinoids evident along the edge of this ridge, probably good current flow in this area
01:50:56 - Data: Moving on upslope 20m at 150 bearing
01:51:25 - Data: Shrimp swimmin by
01:51:31 - Data: Sponge with very long stalk
01:59:56 - Data: anthomastus
02:00:31 - Data: sponge, spicules poking out
02:04:01 - Data: 4k shot
02:07:17 - Data: stalked crinoid
02:08:07 - Data: shrimp
02:08:25 - Data: umbellula?
02:09:05 - Data: umbellula
02:09:39 - Data: sea pen, pennatulid
02:10:18 - Data: black coral?
02:10:26 - Data: bright red crinoid
02:10:43 - Data: umbellula
02:12:47 - Data: Zoanthid covered Plexaurid
02:13:02 - Data: Endoxocrinus sp
02:13:55 - Data: Acanthogorgia
02:15:40 - Data: Guillecrinus
02:15:57 - Data: Glass sponge
02:16:13 - Data: iridogorgia in 4k
02:17:40 - Data: Guillecrinus
02:19:20 - Data: Euplectellidae: Regadrella sp. sponge
02:20:13 - Data: Endoxocrinus sp x 5 or 6
02:20:20 - Data: black corals
02:20:39 - Data: brittle stars
02:22:08 - Data: iridogorgia
02:22:18 - Data: Endoxocrinus sp
02:22:23 - Data: Glass sponges
02:22:40 - Data: shrimp
02:23:32 - Data: Walteria sp. lots of brittle stars and cookie stars
02:24:50 - Data: Possible heteropathes
02:28:39 - Data: Primnoid
02:29:12 - Data: brittle stars
02:30:00 - Data: Heteropathes and a Plexaurid
02:30:29 - Data: Chrysogorgid
02:31:26 - Data: Ophiocreas oedipus brittle star
02:32:31 - Data: Black coral with squat lobsters (hirostylid crabs)
02:33:19 - Data: Victogorgia
02:33:54 - Data: brittle stars wrapped around victogorgia
02:34:06 - Data: PLexaurid?
02:34:20 - Data: Endoxocrinus sp
02:35:28 - Data: Endoxocrinus sp
02:35:54 - Data: Endoxocrinus sp