September 23 Photos

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Sarah Zimmermann leads the daily 11 AM science meeting. Some are shorter than others depending on the number of topics that need to be addressed.

(Peter Lourie)

The planned cruise track for the 2016 expedition largely follows the courses for previous years.  The blue dots represent stations where the rosette of Niskin bottles will be lowered into the water for samples (there are many of these). The red stars in the north represent places where buoys will be deployed in solid ice; the squares are mooring deploy locations and the diamonds are where scientists hope to recover moorings from previous years.

(Peter Lourie)
Bosun Bill Galliot guides the “rosette” at it is hauled in during the first of many CTD stations. The blue bottles are 10 liter Niskin bottles for collecting water samples at various depths. (Peter Lourie)
Sarah Zimmermann pops out of the command center to discuss the depth readings with the watchstanders. (Peter Lourie)

The winch operator handles the controls for paying out and hauling in the steel wire rope cable (up to 5 kilometers) suspending the CTD/rosette package.  The cable includes electrical conductors for communicating with the instruments at the end of the wire.

(Peter Lourie)
The winch readout shows the line tension, cable out and speed of descent/ascent.  The tension must not go slack or the cable could be damaged or potentially part.  (Peter Lourie)

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