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Axial Seamount Eruption Response

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VIRTUAL EXPLORATIONS > ARCHIVED EXPLORATIONS > AXIAL SEAMOUNT ERUPTION RESPONSE​
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  • Part 1: Departure and Looking Ahead

  • Part 2: Launch of the SS Morning Star

  • Part 3: Life at Sea
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  • Part 4: The 2015 Eruption

  • Part 5: The AUV Sentry

  • Part 6: CTD Tow-yo

  • Part 7: First Jason Dive

  • Part 8: The Weather

  • Part 9: Myth Busting

  • Part 10: Incubator Experiments

  • Part 11: Second Jason Dive

  • Part 12: Pressure Dive

  • Part 13: Facilitating Science

  • Part 14: Making Lava Maps

  • Part 15: Last Two Jason Dives

  • Part 16: Cruise Success

Part 13: Facilitating Science

Guest Contributor: Rachel Teasdale
Posted August 25, 2015:

​The crew of Research Vessel Thomas G Thompson operated by the University of Washington is a dedicated group of mariners who are keen on ensuring that the ship serves as a floating research station where diverse scientific research projects can be completed successfully and efficiently. Each crew member brings their expertise and creativity to accomplishing tasks dreamed up by scientists on the cutting edge of Marine Geology, Biology, Chemistry, Engineering and more.

The crew on this expedition is led by Captain Russell DeVaney who is essentially responsible for everything that happens on the ship, but he considers his most important task to be the safe operation of the ship and scientific activities. The team of ship’s Mates stand navigational watches around the clock to keep the ship on course.

Chief Mate Bree Ogden-Bennett, a graduate of the California Maritime Academy, has worked at sea for six years. Among her many duties, she stands navigational watch and oversees all deck operations. One advantage of working on research vessels for Bree is that the point of her work is to conduct operations at sea, whereas other maritime industries are focused on racing from port to port. Bree, Second Mate Tom Drake, and Third Mate Josh Woodrow stand two four-hour watches each day (e.g. noon to 4 p.m. and midnight to 4 a.m.). In addition to standing watch on the bridge, Tom also maintains navigational information and nautical logs.

With its specialized “Z-drive” propellers and dynamic positioning system the ship can maintain position with great precision, which is necessary for ROV Jason to work on the seafloor. The Z-drives allow the ship’s propellers to face any direction, for 360° propulsion. With the help of the bow-thruster for lateral positioning, the ship can move in any direction or hold a specific position, even against the wind and waves. The Z-drives and the ship’s engines are maintained by the eight member Engineering Department, led by Chief Engineer, Mark Johnson. Oiler, Mario Yordan runs the diesel engines that produce power to run generators that power the ship.

Third Engineer Doug O’Neill oversees the water for the ship, which is desalinated seawater. He first sends seawater through a strainer then pumps it at high pressure through five stages of reverse osmosis in which the salt is removed from the water. The final purification comes from a dose of 0.3 ppm chlorine. The ship can make 4,000 gallons each day and can store up to 12,000 gallons, but Doug says we typically only use 3,000 gallons per day. The ship undergoes almost constant preventative maintenance, but the Engineering Department has a machine shop in which almost any part on the ship can be fixed.
The Galley
One of the mess crew’s delicious meals.
The bridge
Chief Mate Bree Ogden- Bennett on the bridge.
Engine room
Mario Yordan inspects the engines.
The ship
The R/V Thompson in port.
Deck operations include launching and recovering instruments with cranes and winches as well as assisting AUV Sentry and ROV Jason launches and recoveries. Dana Africa has worked as one of the able-bodied seamen (AB) on the R/V Thompson for nearly eight years. She and five other on the deck crew says the job is to “sweep, swab, paint, chip, run cranes and winches and sometimes steer the ship.”

In some cases scientists at sea attempt to use existing methodologies in new ways or are inventing brand new methods for investigating biological, geological and chemical characteristics of the world’s oceans. Brandi Murphy and Jen Nomura help facilitate their work as marine techs on the R/V Thompson.

They help scientists do their work on the ship and serve as the liaisons between the ship’s crew and science party. Most days Brandi and Jen spend time on deck helping launch or recover vehicles and instruments for work on the ocean floor. Brandi is familiar with the scientific equipment from her work on research expeditions in graduate school. She and Jen help develop and implement work plans to deploy or recover sensitive instruments.

In addition to accomplishing scientific goals, a constant morale booster comes from the kitchen. Not only are India Grammatica, Liz Zacharias and Kelly Darrah always happy and outgoing, their food is amazing. When not talking about science, the main topic of conversation usually pertains to the previous and next meals — or both!

The science team of the Axial Seamount 2015 Expedition is grateful for the hard work and dedication contributed by these folks, and all of the R/V Thompson crew who ensure the success of the scientific goals of our work at sea.

Images and video courtesy of the 2015 Axial Team.

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