A monitoring design for the Atlantic meridional overturning circulation | Zendy

Hirschi J. | Zendy; Baehr J. | Zendy; Marotzke J. | Zendy; Stark J. | Zendy; Cunningham S. | Zendy; Beismann J.O. | Zendy

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A monitoring design for the Atlantic meridional overturning circulation

Author(s) -

Hirschi J.,

Baehr J.,

Marotzke J.,

Stark J.,

Cunningham S.,

Beismann J.O.

Publication year - 2003

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/2002gl016776

Subject(s) - thermohaline circulation , geology , zonal and meridional , climatology , shutdown of thermohaline circulation , wind stress , hydrography , circulation (fluid dynamics) , ocean current , southern hemisphere , oceanography , north atlantic deep water , mechanics , physics

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.

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