Bryden, H. L., Mujahid, A., Cunningham, S. A., and Kanzow, T.: 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 Sci., 5, 421–433,
https://doi.org/10.5194/os-5-421-2009, 2009.
a,
b
Caesar, L., Rahmstorf, S., Robinson, A., Feulner, G., and Saba, V.: Observed
Fingerprint of a Weakening Atlantic Ocean Overturning Circulation,
Nature, 556, 191–196,
https://doi.org/10.1038/s41586-018-0006-5, 2018.
a
Casanova-Masjoan, M., Pérez-Hernández, M. D., Vélez-Belchí, P.,
Cana, L., and Hernández-Guerra, A.: Variability of the Canary Current
Diagnosed by Inverse Box Models, J. Geophys. Res.-Oceans, 125,
https://doi.org/10.1029/2020JC016199, 2020.
a
Chidichimo, M. P., Kanzow, T., Cunningham, S. A., Johns, W. E., and Marotzke, J.: The contribution of eastern-boundary density variations to the Atlantic meridional overturning circulation at 26.5
∘ N, Ocean Sci., 6, 475–490,
https://doi.org/10.5194/os-6-475-2010, 2010.
a,
b,
c
Cunningham, S. A., Kanzow, T., Rayner, D., Baringer, M. O., Johns, W. E.,
Marotzke, J., Longworth, H. R., Grant, E. M., Hirschi, J. J.-M., Beal, L. M., Meinen, C. S., and Bryden, H. L.: Temporal Variability of the Atlantic Meridional Overturning Circulation at 26.5
∘ N, Science 80, 935–938, 2007. a
Elipot, S., Frajka-Williams, E., Hughes, C., and Willis, J.: The Observed
North Atlantic Meridional Overturning Circulation: Its Meridional
Coherence and Ocean Bottom Pressure, J. Phys. Oceanogr., 44, 517–537,
https://doi.org/10.1175/JPO-D-13-026.1, 2014.
a
Fraile-Nuez, E., Machín, F., Vélez-Belchí, P.,
López-Laatzen, F., Borges, R., Benítez-Barrios, V., and
Hernández-Guerra, A.: Nine Years of Mass Transport Data in the Eastern Boundary of the North Atlantic Subtropical Gyre, J. Geophys. Res., 115, C09009,
https://doi.org/10.1029/2010JC006161, 2010.
a
Frajka-Williams, E.: Estimating the Atlantic Overturning at
26
∘ N Using Satellite Altimetry and Cable Measurements,
Geophys. Res. Lett., 42, 3458–3464,
https://doi.org/10.1002/2015GL063220,
2015.
a,
b,
c,
d,
e,
f
Frajka-Williams, E., Meinen, C. S., Johns, W. E., Smeed, D. A., Duchez, A., Lawrence, A. J., Cuthbertson, D. A., McCarthy, G. D., Bryden, H. L., Baringer, M. O., Moat, B. I., and Rayner, D.: Compensation between meridional flow components of the Atlantic MOC at 26
∘ N, Ocean Sci., 12, 481–493,
https://doi.org/10.5194/os-12-481-2016, 2016.
a,
b,
c
Frajka-Williams, E., Beaulieu, C., and Duchez, A.: Emerging Negative
Atlantic Multidecadal Oscillation Index in Spite of Warm Subtropics,
Sci. Rep.-UK, 7, 11224,
https://doi.org/10.1038/s41598-017-11046-x, 2017.
a
Hernández-Guerra, A., Fraile-Nuez, E., Borges, R., López-Laatzen,
F., Vélez-Belchí, P., Parrilla, G., and Müller, T. J.:
Transport Variability in the Lanzarote Passage (Eastern Boundary Current of the North Atlantic Subtropical Gyre), Deep Sea Research Pt. I, 50, 189–200,
https://doi.org/10.1016/S0967-0637(02)00163-2, 2003.
a
Hernández-Guerra, A., Pelegrí, J. L., Fraile-Nuez, E.,
Benítez-Barrios, V., Emelianov, M., Pérez-Hernández, M. D.,
and Vélez-Belchí, P.: Meridional Overturning Transports at 7.5N and 24.5N in the Atlantic Ocean during 1992–93 and
2010–11, Progr. Oceanogr., 128, 98–114,
https://doi.org/10.1016/j.pocean.2014.08.016, 2014.
a
Hernández-Guerra, A., Espino-Falcón, E., Vélez-Belchí,
P., Dolores Pérez-Hernández, M., Martínez-Marrero, A., and
Cana, L.: Recirculation of the Canary Current in Fall 2014, J.
Marine Syst., 174, 25–39,
https://doi.org/10.1016/j.jmarsys.2017.04.002, 2017.
a,
b
Holliday, N. P., Bersch, M., Berx, B., Chafik, L., Cunningham, S.,
Florindo-López, C., Hátún, H., Johns, W., Josey, S. A., Larsen,
K. M. H., Mulet, S., Oltmanns, M., Reverdin, G., Rossby, T., Thierry, V.,
Valdimarsson, H., and Yashayaev, I.: Ocean Circulation Causes the Largest
Freshening Event for 120 Years in Eastern Subpolar North Atlantic, Nat. Commun., 11, 585,
https://doi.org/10.1038/s41467-020-14474-y, 2020.
a
Johns, W. E., Baringer, M. O., Beal, L. M., Cunningham, S. A., Kanzow, T.,
Bryden, H. L., Hirschi, J. J., Marotzke, J., Meinen, C. S., Shaw, B., and
Curry, R.: Continuous, Array-Based Estimates of Atlantic Ocean Heat
Transport at 26.5
∘ N, J. Climate, 24, 2429–2449,
https://doi.org/10.1175/2010JCLI3997.1, 2011.
a
Josey, S. A., Hirschi, J. J.-M., Sinha, B., Duchez, A., Grist, J. P., and
Marsh, R.: The Recent Atlantic Cold Anomaly: Causes,
Consequences, and Related Phenomena, Annu. Rev. Mar. Sci.,
10, 475–501,
https://doi.org/10.1146/annurev-marine-121916-063102, 2018.
a
Koltermann, K. P., Gouretski, V. V., and Jancke, K.: Volume 3: Atlantic Ocean, International WOCE Project Office, Southampton, UK,
https://doi.org/10.21976/C6RP4Z, 2011.
a
Kanzow, T., Cunningham, S. A., Rayner, D., Hirschi, J. J., Johns, W. E.,
Baringer, M. O., Bryden, H. L., Beal, L. M., Meinen, C. S., and Marotzke, J.: Observed Flow Compensation Associated with the MOC at
26.5
∘ N in the Atlantic, Science 80, 938–941,
https://doi.org/10.1126/science.1141293, 2007.
a
Kanzow, T., Johnson, H. L., Marshall, D. P., Cunningham, S. A., Hirschi, J.
J.-M., Mujahid, A., Bryden, H. L., and Johns, W. E.: Basinwide Integrated
Volume Transports in an Eddy-Filled Ocean, J. Phys. Oceanogr., 39, 3091–3110,
https://doi.org/10.1175/2009JPO4185.1, 2009.
a
Kanzow, T., Cunningham, S. A., Johns, W. E., Hirschi, J. J.-M., Marotzke, J.,
Baringer, M. O., Meinen, C. S., Chidichimo, M. P., Atkinson, C., Beal, L. M., Bryden, H. L., and Collins, J.: Seasonal Variability of the Atlantic
Meridional Overturning Circulation at 26.5
∘ N, J. Climate, 23, 5678–5698,
https://doi.org/10.1175/2010JCLI3389.1, 2010.
a
Kostov, Y., Armour, K. C., and Marshall, J.: Impact of the Atlantic
Meridional Overturning Circulation on Ocean Heat Storage and Transient
Climate Change, Geophys. Res. Lett., 41, 2108–2116,
https://doi.org/10.1002/2013GL058998, 2014.
a
Lilly, J. M.: jLab: A data analysis package for Matlab, v. 1.6.6,
http://www.jmlilly.net/software (last access: 22 June 2020), 2019. a
Longworth, H. R., Bryden, H. L., and Baringer, M. O.: Historical Variability in Atlantic Meridional Baroclinic Transport at 26.5
∘ N from
Boundary Dynamic Height Observations, Deep. Res. Pt. II, 58, 1754–1767,
https://doi.org/10.1016/j.dsr2.2010.10.057, 2011.
a,
b,
c,
d,
e,
f,
g,
h,
i,
j,
k
McCarthy, G., Frajka-Williams, E., Johns, W. E., Baringer, M. O., Meinen,
C. S., Bryden, H. L., Rayner, D., Duchez, A., Roberts, C., and Cunningham,
S. A.: Observed Interannual Variability of the Atlantic Meridional
Overturning Circulation at 26.5
∘ N, Geophys. Res. Lett., 39,
https://doi.org/10.1029/2012GL052933, 2012.
a
McCarthy, G. D., Smeed, D. A., Johns, W. E., Frajka-Williams, E., Moat,
B. I., Rayner, D., Baringer, M. O., Meinen, C. S., Collins, J., and Bryden,
H. L.: Measuring the Atlantic Meridional Overturning Circulation at
26
∘ N, Prog. Oceanogr., 130, 91–111,
https://doi.org/10.1016/j.pocean.2014.10.006, 2015.
a,
b,
c
McCarthy, G. D., Brown, P. J., Flagg, C. N., Goni, G., Houpert, L., Hughes,
C. W., Hummels, R., Inall, M., Jochumsen, K., Larsen, K. M. H., Lherminier,
P., Meinen, C. S., Moat, B. I., Rayner, D., Rhein, M., Roessler, A., Schmid,
C., and Smeed, D. A.: Sustainable Observations of the AMOC:
Methodology and Technology, Rev. Geophys., 58,
https://doi.org/10.1029/2019RG000654, 2020.
a
McDonagh, E. L., King, B. A., Bryden, H. L., Courtois, P., Szuts, Z., Baringer, M., Cunningham, S. A., Atkinson, C., and McCarthy, G.: Continuous
Estimate of Atlantic Oceanic Freshwater Flux at 26.5
∘ N,
J. Climate, 28, 8888–8906,
https://doi.org/10.1175/JCLI-D-14-00519.1, 2015.
a
Moat, B. I., Smeed, D. A., Frajka-Williams, E., Desbruyères, D. G., Beaulieu, C., Johns, W. E., Rayner, D., Sanchez-Franks, A., Baringer, M. O., Volkov, D., Jackson, L. C., and Bryden, H. L.: Pending recovery in the strength of the meridional overturning circulation at 26
∘ N, Ocean Sci., 16, 863–874,
https://doi.org/10.5194/os-16-863-2020, 2020.
a
Percival, D. B. and Walden, A. T.: Spectral Analysis for Physical
Applications: Multitaper and Conventional Univariate Techniques, Cambridge University Press, Cambridge, New York, 1998. a
Pérez-Hernández, M. D., McCarthy, G. D., Vélez-Belchí, P.,
Smeed, D. A., Fraile-Nuez, E., and Hernández-Guerra, A.: The Canary Basin Contribution to the Seasonal Cycle of the Atlantic Meridional Overturning Circulation at 26
∘ N, J. Geophys. Res.-Ocean., 120, 7237–7252,
https://doi.org/10.1002/2015JC010969, 2015.
a,
b
Pickart, R. S., Spall, M. A., Ribergaard, M. H., Moore, G. W., and Milliff,
R. F.: Deep Convection in the Irminger Sea Forced by the Greenland
Tip Jet, Nature, 424, 152–156,
https://doi.org/10.1038/nature01729, 2003.
a
Roberts, C. D., Jackson, L., and McNeall, D.: Is the 2004–2012 Reduction of
the Atlantic Meridional Overturning Circulation Significant?, Geophys.
Res. Lett., 41, 3204–3210,
https://doi.org/10.1002/2014GL059473, 2014.
a
Robson, J., Sutton, R., Lohmann, K., Smith, D., and Palmer, M. D.: Causes of
the Rapid Warming of the North Atlantic Ocean in the Mid-1990s,
J. Climate, 25, 4116–4134,
https://doi.org/10.1175/JCLI-D-11-00443.1, 2012.
a
Send, U., Lankhorst, M., and Kanzow, T.: Observation of Decadal Change in the
Atlantic Meridional Overturning Circulation Using 10 Years of Continuous Transport Data, Geophys. Res. Lett., 38,
https://doi.org/10.1029/2011GL049801, 2011.
a
Smeed, D., McCarthy, G., Rayner, D., Moat, B. I., Johns, W. E., Baringer,
M. O., and Meinen, C. S.: Atlantic Meridional Overturning Circulation
Observed by the RAPID-MOCHA-WBTS (RAPID-Meridional
Overturning Circulation and Heatflux Array-Western Boundary Time
Series) Array at 26N from 2004 to 2017.,
https://doi.org/10.5285/5ACFD143-1104-7B58-E053-6C86ABC0D94B, British Oceanographic Data Centre – Natural Environment Research Council, UK, 2017.
a,
b
Smeed, D., Moat, B. I., Rayner, D., Johns, W. E., Baringer, M. O., Volkov,
D. L., and Frajka-Williams, E.: Atlantic Meridional Overturning Circulation
Observed by the RAPID-MOCHA-WBTS (RAPID-Meridional
Overturning Circulation and Heatflux Array-Western Boundary Time
Series) Array at 26N from 2004 to 2018,
https://doi.org/10.5285/8CD7E7BB-9A20-05D8-E053-6C86ABC012C2, British Oceanographic Data Centre – Natural Environment Research Council, UK, 2019.
a,
b
Smeed, D. A., McCarthy, G. D., Cunningham, S. A., Frajka-Williams, E., Rayner, D., Johns, W. E., Meinen, C. S., Baringer, M. O., Moat, B. I., Duchez, A., and Bryden, H. L.: Observed decline of the Atlantic meridional overturning circulation 2004–2012, Ocean Sci., 10, 29–38,
https://doi.org/10.5194/os-10-29-2014, 2014.
a,
b,
c,
d
Smeed, D. A., Josey, S. A., Beaulieu, C., Johns, W. E., Moat, B. I.,
Frajka-Williams, E., Rayner, D., Meinen, C. S., Baringer, M. O., Bryden,
H. L., and McCarthy, G. D.: The North Atlantic Ocean Is in a State of Reduced Overturning, Geophys. Res. Lett., 45, 1527–1533,
https://doi.org/10.1002/2017GL076350, 2018.
a,
b,
c,
d
Stocker, T. F., Qin, D., Plattner, G.-K., Tignor, M., Allen, S., Boschung, J., Nauels, A., Xia, Y., Bex, V., and Midgley, P., eds.: Climate Change 2013: The Physical Science Basis : Working Group I Contribution to the
Fifth Assessment Report of the Intergovernmental Panel on Climate
Change, Cambridge University Press, Cambridge, New York, 2013.
a,
b
Vélez-Belchí, P., Pérez-Hernández, M. D.,
Casanova-Masjoan, M., Cana, L., and Hernández-Guerra, A.: On the
Seasonal Variability of the Canary Current and the Atlantic Meridional Overturning Circulation: SEASONALITY OF CANARY CURRENT AND AMOC, J. Geophys. Res.-Oceans, 122, 4518–4538,
https://doi.org/10.1002/2017JC012774, 2017.
a,
b
Willis, J. K.: Can in Situ Floats and Satellite Altimeters Detect Long-Term
Changes in Atlantic Ocean Overturning?, Geophys. Res. Lett., 37, L06602
https://doi.org/10.1029/2010GL042372, 2010.
a
Winton, M., Griffies, S. M., Samuels, B. L., Sarmiento, J. L., and Licher,
T. L.: Connecting Changing Ocean Circulation with Changing Climate, J. Climate, 26, 2268–2278,
https://doi.org/10.1175/JCLI-D-12-00296.1, 2013.
a
