From the OO-RSN VISIONS '13 cruise: In summer 2013, the R/V Thompson was getting ready to lay the first of thousands of feet of secondary cable on the seafloor. University of Washington's John Delaney and Deb Kelley, as well as Keith Shepherd and Jason Williams with the Canadian Scientific Submersible Facility give an introduction to the science and technology making this incredible feat a reality. (Video by Ben Fundis)
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', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:dive1602predive-Broadband.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:dive1602predive-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:dive1602predive-Broadband.m4v'} ]} , {'height':'540', 'width':'960', 'image':'/files/r1604_thumb_med.jpg', 'title':'Dive R1604', 'description':'Dive 1604 with ROPOS focused on installing over 15,000 feet of cable across the summit of Axial Volcano. With this much cable, the drum weighed over 6,000 lbs, making it too heavy to be latched into the underbelly of ROPOS. Instead the cable drum was lowered over the starboard side of the ship using one of the ship’s wires and winches. ROPOS was also launched and about 600 feet below the ship it imaged the drum with its forward-looking sonar. Carefully, the ROPOS pilot and navigator drove the vehicle toward the drum until they were close enough to image the drum directly with the ROV's high-definition camera. ROPOS and the drum then descended to the seafloor, 5,000 feet below the ocean's surface. The cable drum was gently placed on the seafloor with the winch as ROPOS ensured there was a safe landing zone. ROPOS then attached cable to the junction box, and began laying cable on the seafloor.
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Dive 1603 marked the first installation of an extension cable onto the seafloor at the summit of Axial Volcano. The 2083 feet of cable was installed from near Primary Node 3B to a southern site known as Eastern Caldera. This cable will be connected to a junction box that will provide power and communication to seismometers that will detect earthquakes in real-time and a bottom pressure-tilt instrument that will measure the inflation and deflation of the volcano's floor. ROPOS surveyed the cable route, transiting over lobate flows, bulbous pillow flows, and a few skylights. The cable was then installed and ROPOS set the cable laying system ROCLS (Remotely Operated Cable Laying System) onto the seafloor near marker W. ROPOS then removed the flange box from ROCLS so that the wet-mate connector would be available for follow-on connection to the J-Box later in the cruise. A few rat tail fish were observed along the way.
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', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:r1602highlights.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:R1602Highlights-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:r1602highlights.m4v'} ]} , {'height':'540', 'width':'960', 'image':'/files/r1601_thumb_med.jpg', 'title':'Dive R1601', 'description':'Dive R1601
', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:R1601Highlights-Broadband.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:R1601Highlights-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:R1601Highlights-Broadband.m4v'} ]} , {'height':'540', 'width':'960', 'image':'/files/r1600_thumb_med.jpg', 'title':'Dive R1600', 'description':'Dive R1600
', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:R1600Highlights-Broadband.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:R1600Highlights-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:R1600Highlights-Broadband.m4v'} ]} , {'height':'540', 'width':'960', 'image':'/files/r1599_thumb_med.jpg', 'title':'Dive R1599', 'description':'Dive R1599
', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:R1599Highlights-Broadband.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:R1599Highlights-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:R1599Highlights-Broadband.m4v'} ]} , {'height':'394', 'width':'700', 'image':'/files/1598_thumb_med.jpg', 'title':'Dive R1598', 'description':'Dive R1598
', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:R1598Highlights-Broadband.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:R1598Highlights-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:R1598Highlights-Broadband.m4v'} ]} , {'height':'540', 'width':'960', 'image':'/files/r1597_thumb_med.jpg', 'title':'Dive R1597', 'description':'Dive R1597
', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:R1597Highlights-Broadband.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:R1597Highlights-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:R1597Highlights-Broadband.m4v'} ]} , {'height':'394', 'width':'700', 'image':'/files/r1596_med.jpg', 'title':'Dive Highlights R1596', 'description':'During the beginning of ROPOS dive 1596 at the summit of Axial Seamount, we drove south towards the hydrothermal field 'International District'. East of the field, we first encountered lobate flows and a few collapse basins, but closer to the field the lava flows transitioned into rough, jumbled hackley flows. As ROPOS entered the field, we encountered a small, partially extinct chimney with weak diffuse venting at its top, which hosted small tube worms. ROPOS transited to the largest black smoker chimney 'El Guapo', which rises > 50 feet above the surrounding seafloor. We started at the base of the massive edifice and slowly transited to the top of the structure, which hosts numerous small orifices venting jets of hot hydrothermal fluid. In 2011, the fluids were boiling at 349°C, and at a water depth of 5000 m. Dive Highlights R-1596 (Credit: NSF-OOI/UW/CSSF)
', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:r1596-broadband.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsnPhone/mp4:R1596-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:r1596-broadband.m4v'} ]} , {'height':'540', 'width':'960', 'image':'/files/r1595_thumb_med.jpg', 'title':'Dive R1595', 'description':'During the first leg of VISIONS'13, "ROPOS" worked at the summit of Axial Seamount at a depth of 5000 ft to test Primary Node 3B. This node is similar to a large electrical outlet on the seafloor, providing 8 kW of power to 7 ports, and communication back and forth to the Internet at 10 Gbs. The node is connected to the Pacific City (Oregon) Shore by 320 miles of fiber optic telecommunication cable, providing power and communication from shore. This primary infrastructure was installed by L-3 MariPro using the TE Sucom cable laying ship in 2011-2012. During testing of the Primary Infrastructure a ground fault was found in PN3B, likely associated with a camera that had been deployed on it to visually image the seafloor as the node was deployed. During this dive, ROPOS removed the camera assembly and the node was powered up from the Shore Station. Testing showed that it was the camera that caused the problem and now the node is working well.
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', sources: [ {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:swimmingwiththethompson.m4v/playlist.m3u8'}, {'file': 'https://stream.ocean.washington.edu:443/rsn/mp4:SwimmingwiththeThompson-Wi-Fi.m4v/playlist.m3u8'}, {'file': 'rtmp://stream.ocean.washington.edu/rsn/mp4:swimmingwiththethompson.m4v'} ]} , {'height':'720', 'width':'1280', 'image':'/files/thompson-down-to-the-volcano-screen_med.jpg', 'title':'Down to the Volcano Movie', 'description':'Down to the Volcano takes viewers on a journey to the bottom of the ocean to explore the recently erupted Axial Seamount. Follow the story from the VISIONS '11 expedition, led by University of Washington OOI oceanographers, that took place in August 2011.
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