NA153_H1991_(8of8)_20230813T000733Z
Channel: Nautilus Live Dive Recordings
Date: 06/12/2023

This playlist includes recordings of all ROV Hercules dives conducted during a single Ocean Exploration Trust expedition aboard E/V Nautilus. Each dive is divided into two-hour segments. File names include:

Cruise ID_Dive Number_ File(XofX) _Date[yyyy-mm-dd]_Time[hhmmss]z

All files are recorded in UTC-0, the same way they are recorded by ROV Hercules' primary imaging camera.

The chapter observations presented were recorded in the data log in real-time by the scientists and data loggers aboard the ship. These are preliminary observations only. Data has not been QA/QCed or otherwise verified, and may be incomplete, contain inaccuracies, identification and spelling errors.

Scientific/research requests for the full video or for sub-sets of video can be made at 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 inquiries or licensing requests for reuse, please contact press@oet.org.

00:02:00 - 20230813T000934Z Dive Status: offbottom
00:02:43 - 20230813T001016Z Dive Status: offbottom
00:46:17 - 20230813T005350Z Note:  12-4 Watch summary (H1991 22-00) Started watch at SW ridge of seamount summit, over rocky features interspersed with sediment. Traveled/meandered generally E/SE over large swaths of sediment, occasional rocky features. Towards middle of watch, summit ridge substrate became more rocky with larger contiguous boulders. One rocky outcrop in particular was focused on, hosting multiple species of coral and associates, including bamboo coral, black coral, Chrysogorgia, squat lobster, ophiuoroids, and more. Collected sponge sample, rock sample, Water samples x2 (1 on high diversity rock, 1 on summit before ascent). Ended dive H1991, ascent started at 00-09.
01:28:21 - 20230813T013554Z Note:  Ox minimum zone on ascent @ ~320 m (20umol/L)