Mar
24

Classic Winter Conditions on the Oregon Shelf

Filed Under (gliders, OR coast, SlocumGliders) by shearmar on 24-03-2009 and tagged , ,



Here’s the first section from Glider Bob’s Oregon shelf mission. This is our fourth season of making Oregon shelf observations. During the winter, the surface layer is typically well-mixed down to 80 m, the pycnocline slopes downward toward the coast intersecting the bottom near the shelfbreak, and there is a small lense of fresh water very near shore from rain and run-off from small local rivers, and the currents are relatively strong and to the north. In this section, there is also a slight run up the shelf along the bottom of salty dense water, lead by some small scale variability that looks reminiscent of nonlinear internal waves a la the observations by Klymak and Moum (2004).



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