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The Freshwater Switchyard (S.Y.)
The Freshwater Switchyard (S.Y.) is the region just upstream of the freshwater outflows through Nares Strait (west of northern Greenland) and Fram Strait (east of northern Greenland).

Depending on the ocean circulation (i.e., on the shape of the Beaufort Gyre, Transpolar Drift Stream, and North American Boundary Undercurrent in a particular year) the S.Y. region might see freshwater from either North American and Pacific origins, or Siberian river origins, or both.

So it’s like a train switchyard, where different “freshwater cargo” from various locations arrives on different tracks, and is rearranged on the trains and then sent out on different tracks to its final destination! Anyway, that’s the metaphor that we’re working with in this project…

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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