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Field Notes 2004

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Step 6: Water sample
A Niskin bottle is used to collect a water sample. The water will be analyzed for salinity, barium, O18, and nutrients.
Mike releases the messenger. When it reaches the Niskin bottle, it triggers the lids at both ends of the bottle to close, trapping the water

Polar Science Center
Applied Physics Laboratory
1013 NE 40th Street
Seattle, WA 98105

University of Washington

This material is based upon work supported by the National Science Foundation under Grant No. 0230427.
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the
National Science Foundation.

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