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OS | Articles | Volume 14, issue 5
Ocean Sci., 14, 1207–1221, 2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ocean Sci., 14, 1207–1221, 2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 12 Oct 2018

Research article | 12 Oct 2018

Diagnosing transit times on the northwestern North Atlantic continental shelf

Krysten Rutherford and Katja Fennel
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Manuscript under review for OS
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Related subject area  
Approach: Numerical Models | Phenomena: Chemical Tracers | Depth Range: All Depths | Geographical Range: Deep Seas: North Atlantic
Modeling the Nd isotopic composition in the North Atlantic basin using an eddy-permitting model
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Cited articles  
Agmon, N.: Residence times in diffusion processes, J. Chem. Phys., 81, 3644–3647, 1984. a, b, c, d
Banas, N. S. and Hickey, B. M.: Mapping exchange and residence time in a model of Willapa Bay, Washington, a branching, macrotidal estuary, J. Geophys. Res.-Ocean, 110, 1–20, 2005. a
Banyte, D., Visbeck, M., Tanhua, T., Fischer, T., Krahmann, G., and Karstensen, J.: Lateral diffusivity from tracer release experiments in the tropical North Atlantic thermocline, J. Geophys. Res.-Ocean, 118, 2719–2733, 2013. a
Beardsley, R. C. and Boicourt, W. C.: On Estuarine and Continental-Shelf Circulation in the Middle Atlantic Bight, in: Evolution of Physical Oceanography, 198–233, 1981. a, b
Beining, P. and Roether, W.: Temporal evolution of CFC 11 and CFC 12 concentrations in the ocean interior, J. Geophys. Res.-Ocean, 101, 16455–16464, 1996. a
Publications Copernicus
Short summary
Using a regional model of the northwestern North Atlantic shelves, we calculate transport timescales and pathways in order to understand the transport processes that underlie the rapid oxygen loss, air–sea CO2 flux, and supply of plankton seed populations on the Scotian Shelf. Study results highlight the limited connectivity between the Scotian Shelf and adjacent slope waters; instead, the dominant southwestward currents bring Grand Banks and Gulf of St. Lawrence waters to the Scotian Shelf.
Using a regional model of the northwestern North Atlantic shelves, we calculate transport...