Publications

Peer reviewed articles

Baehr, J., A. Stroup, and J. Marotzke (2009): Testing concepts for continuous monitoring of the meridional overturning circulation in the South Atlantic. Ocean Modelling, Volume 29, Issue 2, 2009, Pages 147-153

Baehr, J., S. A. Cunningham, H. Haak, P. Heimbach, T. Kanzow, and J. Marotzke (2009): Observed and simulated estimates of the meridional overturning circulation at 26.5°N in the Atlantic. Ocean Science, 5, www.ocean-sci.net/5/575/2009

Bouinot, T., E.Cortijo, A. Govin, T. Mulder, and E. Gonthier (2010): North Atlantic subpolar and subtropical gyres variability during the last 2000 years, a contribution to the THOR project. Geophysical Research Abstracts Vol. 12, EGU2010-6402-1. EGU General Assembly 2010, 3-7 May 2010, Vienna, Austria

Bryden, H. L., A. Mujahid, S. A. Cunningham and T. Kanzow (2009): Adjustment of the basin-scale circulation at 26°N to variations in Gulf Stream, deep western boundary current and Ekman transports as observed by the Rapid array. Ocean Science, 6, 871-908.

Cunningham, S. A. and R. Marsh (2009): Observing and modelling changes in the Atlantic MOC. Wiley Interdisciplinary reviews, in press.

Cunningham, S. A., M. O. Baringer, J. Toole,, S. Østerhaus, J. Fischer, A. Piola, E. McDonagh, S. Lozier, U. Send, T. Kanzow, J. Marotzke, M. Rhein, S. L.Garzoli, S. Rintoul, S. Speich, S. Wijffels, L.Talley, J. Baehr, C. Meinen, A.-M. Treguier and P. Lherminier (2009): The present and future system for measurning the Atlantic Meridional overturning circulation and heat transport. OceanObs09, in press.

Dunstone, N. J. and D. M. Smith, 2010, Impact of atmosphere and sub-surface ocean data on decadal climate prediction, Geophys. Res. Lett., 37, L02709, doi:10.1029/2009GL041609 www.agu.org/journals/gl/gl1002/2009GL041609/

Eldevik, T., J.E.Ø Nilsen, D. Lovino, K. A. Olsson, A. B. Sandø and H. Drange (2009): Observed sources and variability of Nordic seas overflow, Nature Geoscience, 2, doi:10.1038/NGEO581

Eldevik, T. and J.E.Ø, Nilsen (2010): Constraining the Arctic/Atlantic thermohaline circulation. In review Nature Geoscience.

Hansen, B., H. Hátún, R. Kristiansen, S. M. Olsen and S. Østerhus (2010), Outflow from the Nordic Seas controls heat and salt import across the Iceland-Faroe Ridge, submitted to Nature Geoscience

Hirschi, J. J.-M., P. D. Killworth, J. R. Blundell and D. Cromwell D. (2009): Sea surface height signals as indicators for oceanic meridional mass transports. J. Phys. Oceanog., 39, 581-601.

Houssais, M.-N. and C. Herbaut (2010) : Atmospheric forcing on the Canadian Arctic Archipelago fresh water outflow, submitted to JGR-Oceans.

Hawkins & Sutton, 2009, 'Decadal predictability of the Atlantic Ocean in a coupled GCM: forecast skill and optimal perturbations using Linear Inverse Modelling', Journal of Climate, 22, p3960, doi: 10.1175/2009JCLI2720.1

Hawkins & Sutton, 2010, 'Estimating climatically relevant singular vectors for decadal predictions of the Atlantic Ocean', Journal of Climate, in revision

Hughes, Holliday, Colbourne, Ozhigin,  Valdimarsson,  Østerhus, and Wiltshire, K. (2009). Comparison of in situ time-series of temperature with gridded sea surface temperature datasets in the North Atlantic. 
ICES J. of Marine Science, 66: doi: 10.1093/icesjms/fsp041,
http://icesjms.oxfordjournals.org/cgi/content/abstract/fsp041?ijkey=cPH1tzEu30GbY0s&keytype=ref

Jungclaus, J.H. et al (2010): Climate and Carbon-cycle variations over the last millennium. Climate of the Past, submitted.

Kanzow, T., H. Johnson, D. Marshall, S. A. Cunningham, J. J.-M. Hirschi, A. Mujahid, H. L. Bryden, and W. E. Johns (2009): Basin-wide integrated volume transports in an eddy-filled ocean. J. Phys. Oceanog., 39, 3091–3110.

Keenlyside, N. S., and J. Ba (2010): Prospects for decadal climate prediction, Wiley Interdisciplinary Reviews: Climate Change, Submitted

Kleiven, H. F. and U. S. Ninnemann (2009): Climate and North Atlantic Deep Water variability since 600 AD: Multiproxy Evidence From the Eirik Drift. Eos Trans. AGU, 90(52), Fall Meet. Suppl., Abstract PP52A-08.

Kleiven, H., I.V. Johansen and U. Ninnemann (2009): North Atlantic climate and deep water variability since 600 AD. Climate Change: Global Risks, Challenges and Decisions, 10-12 March, Copenhagen, Denmark.

Krueger, J. and J.-S. von Storch (2010): A simple empirical model for decadal climate prediction, J Climate, submitted

Latif, M. and N. S. Keenlyside (2010): A Perspective on Decadal Climate Variability and Predictability. Deep Sea Research, submitted.

Marini, C., C. Frankignoul, and J. Mignot (2010): Links between the southern annular mode and the Atlantic meridional overturning in a climate model. J. Climate, submitted.

Mjell, T.L., U. S. Ninnemann and H. F. Kleiven (2008): Variability in ISOW Vigor Over the Last Millennium and its Relationship to Climate. 2008 Eos. Trans. AGU, 89 (53), Fall Meet. Suppl., Abstract PP11A-1373.

Msadek, R. and C. Frankignoul (2009): Mechanisms of the atmospheric response to North Atlantic multidecadal variability: a model study. Climate Dynamics, submitted.

Nummelin A. (2010): Denmark Strait Overflow. Bachelor thesis, Department of Physics, University of Helsinki, 30 pp.

Ottera, O. H., M. Bentsen, H. Drange and L. Suo: External forcing as a metronome for Atlantic multidecadal variability. Nature Geoscience, submitted.

Paka, V.T., B. Rudels, D. Quadfasel and V. Zhurbas (2010): Measuring of turbulence in a strong near bottom current of the Denmark Strait. Doklady RAS, Doklady Akademii Nauk, 432, 110-114 (originally in Russian).

Semenov, V. A., M. Latif, D. Dommenget, N. S. Keenlyside, A. Strehz, T. Martin and W. Park (2010): The Impact of North-Atlantic Multidecadal Variability on Northern Hemisphere Surface Air Temperature. Journal of Climate, submitted.

Van Oldenborgh, G.J. et al. (2010): Skill in the trend and internal variability in a multi-mode decadal prediction ensemble, submitted to GRL.

Voet, G., D. Quadfasel (2010), Entrainment in the Denmark Strait overflow plume by meso-scale eddies, submitted to Ocean Science.

Zanchettin, D., A. Rubino, and J. H. Jungclaus (2010), Intermittent multidecadal-to-centennial fluctuations dominate global temperature evolution over the last millennium, Geophys. Res. Lett., doi:10.1029/2010GL043717, in press.

THOR Deliverables (project month 12)

D05 (WP 2.1): Olsen, S. et al., Initial evaluation of ocean reanalyses and simulations of THC-related variables, from approximately 1960-present, against independent observations (01.2010)

D06 (WP 3.1): Østerhus, S. et al., Reference data set for pre-existing data on properties and fluxes through key sections: Greenland-Scotland Ridge, Deep Western Boundary Current and across 26.5° N (12.2009)

D07 (WP 3.2): Fischer, J. et al., Reference data set for pre-existing data on properties, water mass renewal in the Labrador and Irminger Seas (12.2009)

D08 (WP 3.3): Rudels, B. et al., Summary data set for historical overflow entrainment studies (12.2009)

D09 (WP 5.2): Stammer, D. and T. Kaminiski, Report on test data set experiments from coupled model (12.2009)

The ongoing D04 (WP 2.1) activity: The team has discussed and agreed to make the results available in terms of ocean-state metrics as presented in the D05 report.

Posters

Nunes, N., Østerhus, S. and THOR project partners, 2009: THOR: long term observations of MOC variability in the North Atlantic. IAMAS, IAPSO and IACS Joint Assembly 2009 (MOCA-09), Montreal, Canada, 19-29.07.2009 (Poster).

Nunes, N., Østerhus, S. and THOR project partners, 2009: THOR: long term observations of MOC variability in the North Atlantic. OceanObs'09, Venice, Italy, 21-25.09.2009 (Poster).

Workshop report

Hazeleger, W., M. Balmaseda and B. Kirtman. CLIVAR Workshop Report Earth System Initialization For Decadal Predictions. ICPO Publication Series No. 145 WCRP Informal Report No. 3/2010. http://eprints.soton.ac.uk/79460/1/145_DecadalPrediction.pdf