October 14 Photos

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Mike Dempsey watches the CTD/rosette disappear overboard. (Joey Wenig)
Lloyd Francis and Leo Rose work the winch.  (Jeff O'Brien)
Me and Sarah Ann Quesnel keeping an eye out for threatening ice chunks, but mostly just chatting. (Jeff O'Brien)
Yusuke Ogiwara in the control room, where the commands to ‘fire’ (close) the Niskin bottles on the rosette are sent from. (Sarah Zimmermann)

The chummy for keeping the cable free of ice as it is winched back up. ‘Chummy’ is a Newfoundland word for an object that you don’t have a real name for, as in, “what’s that chummy on the windowsill?” or “where in the world did you get that chummy you keep under your bed?” (I’m not sure these examples help, but they’re fun to come up with).

(Caroline Wylie)
Sarah Ann Quesnel, wearing a harness that clips onto the winch a-frame to prevent her from being lost overboard. (Sarah Zimmerman)
Daniel Sauve and Hugh Maclean. (Sarah Zimmermann)
Left to right: Caroline Wylie, Daniel Sauve, Mike Dempsey, June Marion, Yusuke Ogiwara, Sarah Ann Quesnel, and Melissa Schwab. (Sarah Zimmermann)
Daniel Sauve and Leo Rose. (Wes Halfacre)
Daniel attaches the chummy to the cable while Leo Rose gives the camera a classic Leo Rose look. (Wes Halfacre)
Melissa Schwab, bundled up and ready for some CTD/rosette action. (Jeff O'Brien)
The CTD/rosette, back from its venture into the deeps, is gently guided onto a palette. (Alek Petty)
Daniel Sauve, sampling. (Caroline Wylie)
Mike Dempsey taking a tricky TOI (triple oxygen isotope) sample. (Caroline Wylie)
The time Wes Halfacre was kind enough to serenade us while we sampled. (Yusuke Ogiwara)
Yusuke Ogiwara, looking way too happy given how cold I bet his hands are. (Wes Halfacre)
June Marion with full sample. (Caroline Wylie)
Marty Davelaar in the lab where all of the DIC (dissolved inorganic carbon) and alkalinity samples are run. (Joey Wenig)

Kenny Scozzafava, master of oxygen samples. Dissolved oxygen is also measured by a sensor on the CTD, and the samples are used to calibrate that data.

(Joey Wenig)

Hugh Maclean running salinity samples. Like oxygen, salinity samples are used as a check to make sure the CTD is operating properly, and, because salinity varies with depth, to make sure that the bottle fired at the depth it was intended to be fired at.

(Joey Wenig)

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