A monitoring design for the Atlantic meridional overturning circulation

Hirschi, J; Baehr, J; Marotzke, Jochem; Stark, J; Cunningham, S; Beismann, JO

doi:10.1029/2002GL016776

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A monitoring design for the Atlantic meridional overturning circulation

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GRL-30-2003-1413.pdf
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Hirschi, J., Baehr, J., Marotzke, J., Stark, J., Cunningham, S., & Beismann, J. (2003). A monitoring design for the Atlantic meridional overturning circulation. Geophysical Research Letters, 30: 1413. doi:10.1029/2002GL016776.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000E-7328-6

Abstract

[1] Current hydrographic data can provide snapshots but no continuous timeseries of the meridional overturning circulation (MOC). Using output from two eddy-permitting numerical ocean models we test the feasibility of a monitoring system for the MOC in the North Atlantic. The results suggest that a relatively simple arrangement, using moorings placed across a longitude-depth section and the zonal wind stress, is able to capture most of the MOC strength and vertical structure as a function of time. Being closely related to the transport of energy to the North Atlantic, measuring the MOC would open the prospect of having continuous information about a key element of northern hemisphere climate.