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Please use this identifier to cite or link to this item:
http://hdl.handle.net/1956/630
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| Title: | Simulated variability of the Atlantic meridional overturning circulation |
| Authors: | Bentsen, Mats
Drange, Helge
Furevik, Tore
Zhou, Tianjun |
| Issue Date: | 17-Apr-2004 |
| Publisher: | Springer-Verlag |
| Citation: | http://www.springerlink.com/openurl.asp?genre=article&issn=0930-7575&volume=22&issue=6&spage=701 |
| Series/Report no.: | Climate Dynamics;22(6/7) |
| Abstract: | To examine the multi-annual to decadal scale variability of the Atlantic Meridional
Overturning Circulation (AMOC), a four-member ensemble with a daily reanalysis
forced, medium-resolution global version of the isopycnic coordinate ocean
model MICOM, and a 300-years integration with the fully coupled Bergen Climate
Model (BCM), have been conducted.
The simulations of the AMOC with both model systems yield a long-term mean
value of 18 Sv and decadal variability with an amplitude of 1–3 Sv. The power spectrum
of the inter-annual to decadal scale variability of the AMOC in BCM generally
follows the theoretical red noise spectrum, with indications of increased power near
the 20-years period. Comparison with observational proxy indices for the AMOC,
e.g. the thickness of the Labrador Sea Water, the strength of the baroclinic gyre circulation
in the North Atlantic Ocean, and the surface temperature anomalies along
the mean path of the Gulf Stream, shows similar trends and phasing... |
| URI: | DOI: 10.1007/s00382-004-0397-x
http://hdl.handle.net/1956/630 |
| ISSN: | 0930-7575 |
| Appears in Collections: | Eprints by Nansen Environmental and Remote Sensing Center (NERSC)
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