Overflow of cold water across the Iceland–Faroe Ridge  through the Western Valley

Hansen, Bogi; Larsen, Karin Margretha Húsgarð; Olsen, Steffen Malskær; Quadfasel, Detlef; Jochumsen, Kerstin; Østerhus, Svein

doi:https://doi.org/10.5194/os-14-871-2018

Articles | Volume 14, issue 4

https://doi.org/10.5194/os-14-871-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/os-14-871-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 14, issue 4

Research article

| Highlight paper

|

27 Aug 2018

Research article | Highlight paper |

| 27 Aug 2018

Overflow of cold water across the Iceland–Faroe Ridge through the Western Valley

Bogi Hansen, Karin Margretha Húsgarð Larsen, Steffen Malskær Olsen, Detlef Quadfasel, Kerstin Jochumsen, and Svein Østerhus

Download

Final revised paper (published on 27 Aug 2018)
Supplement to the final revised paper
Preprint (discussion started on 16 Apr 2018)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

- Printer-friendly version

- Supplement

RC1: 'Overflow', John Whitehead, 15 May 2018
- AC2: 'Referee report', Bogi Hansen, 25 Jul 2018
RC2: 'Review of the manuscript: Overflow of cold water across the Iceland-Faroe Ridge through the Western Valley by B. Hansen et al.', Anonymous Referee #2, 20 May 2018
- AC2: 'Referee report', Bogi Hansen, 25 Jul 2018
RC3: 'Review', Anonymous Referee #3, 05 Jun 2018
- AC2: 'Referee report', Bogi Hansen, 25 Jul 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Bogi Hansen on behalf of the Authors (25 Jul 2018) Author's response Manuscript

ED: Publish as is (27 Jul 2018) by Mario Hoppema

AR by Bogi Hansen on behalf of the Authors (02 Aug 2018)

Short summary

The Western Valley is one of the passages across the Iceland–Scotland Ridge through which a strong overflow of cold, dense water has been thought to feed the deep limb of the Atlantic Meridional Overturning Circulation (AMOC), but its strength has not been known. Based on a field experiment with instruments moored across the valley, we show that this overflow branch is much weaker than previously thought and that this is because it is suppressed by the warm countercurrent in the upper layers.