| Records |
Author  |
Dukhovskoy, D.S.; Yashayaev, I.; Proshutinsky, A.; Bamber, J.L.; Bashmachnikov, I.L.; Chassignet, E.P.; Lee, C.M.; Tedstone, A.J. |
| Title |
Role of Greenland Freshwater Anomaly in the Recent Freshening of the Subpolar North Atlantic |
Type |
$loc['typeJournal Article'] |
| Year |
2019 |
Publication |
Journal of Geophysical Research: Oceans |
Abbreviated Journal |
J. Geophys. Res. Oceans |
| Volume |
124 |
Issue |
5 |
Pages |
3333-3360 |
| Keywords |
Greenland ice sheet melting; freshwater anomaly; subpolar North Atlantic; subpolar gyre; passive tracer numerical experiment; freshwater budget |
| Abstract |
The cumulative Greenland freshwater flux anomaly has exceeded 5000 km3 since the 1990s. The volume of this surplus fresh water is expected to cause substantial freshening in the North Atlantic. Analysis of hydrographic observations in the subpolar seas reveal freshening signals in the 2010s. The sources of this freshening are yet to be determined. In this study, the relationship between the surplus Greenland freshwater flux and this freshening is tested by analyzing the propagation of the Greenland freshwater anomaly and its impact on salinity in the subpolar North Atlantic based on observational data and numerical experiments with and without the Greenland runoff. A passive tracer is continuously released during the simulations at freshwater sources along the coast of Greenland to track the Greenland freshwater anomaly. Tracer budget analysis shows that 44% of the volume of the Greenland freshwater anomaly is retained in the subpolar North Atlantic by the end of the simulation. This volume is sufficient to cause strong freshening in the subpolar seas if it stays in the upper 50�100 m. However, in the model the anomaly is mixed down to several hundred meters of the water column resulting in smaller magnitudes of freshening compared to the observations. Therefore, the simulations suggest that the accelerated Greenland melting would not be sufficient to cause the observed freshening in the subpolar seas and other sources of fresh water have contributed to the freshening. Impacts on salinity in the subpolar seas of the freshwater transport through Fram Strait and precipitation are discussed. |
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2169-9275 |
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$loc['no'] |
| Call Number |
COAPS @ user @ |
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1029 |
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Farneti, R.; Downes, S.M.; Griffies, S.M.; Marsland, S.J.; Behrens, E.; Bentsen, M.; Bi, D.; Biastoch, A.; Böning, C.; Bozec, A.; Canuto, V.M.; Chassignet, E.; Danabasoglu, G.; Danilov, S.; Diansky, N.; Drange, H.; Fogli, P.G.; Gusev, A.; Hallberg, R.W.; Howard, A.; Ilicak, M.; Jung, T.; Kelley, M.; Large, W.G.; Leboissetier, A.; Long, M.; Lu, J.; Masina, S.; Mishra, A.; Navarra, A.; George Nurser, A.J.; Patara, L.; Samuels, B.L.; Sidorenko, D.; Tsujino, H.; Uotila, P.; Wang, Q.; Yeager, S.G. |
| Title |
An assessment of Antarctic Circumpolar Current and Southern Ocean meridional overturning circulation during 1958-2007 in a suite of interannual CORE-II simulations |
Type |
$loc['typeJournal Article'] |
| Year |
2015 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
| Volume |
93 |
Issue |
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Pages |
84-120 |
| Keywords |
Global ocean–sea ice modeling; Model comparisons; Southern Ocean meridional overturning circulation; Antarctic Circumpolar Current; Southern Ocean dynamics |
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| ISSN |
1463-5003 |
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$loc['no'] |
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COAPS @ mfield @ |
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103 |
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Fox-Kemper, B.; Adcroft, A.; Böning, C.W.; Chassignet, E.P.; Curchitser, E.; Danabasoglu, G.; Eden, C.; England, M.H.; Gerdes, R.; Greatbatch, R.J.; Griffies, S.M.; Hallberg, R.W.; Hanert, E.; Heimbach, P.; Hewitt, H.T.; Hill, C.N.; Komuro, Y.; Legg, S.; Le Sommer, J.; Masina, S.; Marsland, S.J.; Penny, S.G.; Qiao, F.; Ringler, T.D.; Treguier, A.M.; Tsujino, H.; Uotila, P.; Yeager, S.G. |
| Title |
Challenges and Prospects in Ocean Circulation Models |
Type |
$loc['typeJournal Article'] |
| Year |
2019 |
Publication |
Frontiers in Marine Science |
Abbreviated Journal |
Front. Mar. Sci. |
| Volume |
6 |
Issue |
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Pages |
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| Keywords |
Southern Ocean; Overturning Circulation: Regional sea level; submesoscale; ice shelves; turbulence |
| Abstract |
We revisit the challenges and prospects for ocean circulation models following Griffies et al. (2010). Over the past decade, ocean circulation models evolved through improved understanding, numerics, spatial discretization, grid configurations, parameterizations, data assimilation, environmental monitoring, and process-level observations and modeling. Important large scale applications over the last decade are simulations of the Southern Ocean, the Meridional Overturning Circulation and its variability, and regional sea level change. Submesoscale variability is now routinely resolved in process models and permitted in a few global models, and submesoscale effects are parameterized in most global models. The scales where nonhydrostatic effects become important are beginning to be resolved in regional and process models. Coupling to sea ice, ice shelves, and high-resolution atmospheric models has stimulated new ideas and driven improvements in numerics. Observations have provided insight into turbulence and mixing around the globe and its consequences are assessed through perturbed physics models. Relatedly, parameterizations of the mixing and overturning processes in boundary layers and the ocean interior have improved. New diagnostics being used for evaluating models alongside present and novel observations are briefly referenced. The overall goal is summarizing new developments in ocean modeling, including how new and existing observations can be used, what modeling challenges remain, and how simulations can be used to support observations. |
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| ISSN |
2296-7745 |
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$loc['no'] |
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COAPS @ user @ |
Serial |
1011 |
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| Author |
Gonçalves, R.C.; Iskandarani, M.; Srinivasan, A.; Thacker, W.C.; Chassignet, E.; Knio, O.M. |
| Title |
A framework to quantify uncertainty in simulations of oil transport in the ocean |
Type |
$loc['typeJournal Article'] |
| Year |
2016 |
Publication |
Journal of Geophysical Research: Oceans |
Abbreviated Journal |
J. Geophys. Res. Oceans |
| Volume |
121 |
Issue |
4 |
Pages |
2058-2077 |
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2169-9275 |
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$loc['no'] |
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COAPS @ mfield @ |
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36 |
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Goni, G.; DeMaria, M.; Knaff, J.; Sampson, C.; Ginis, I.; Bringas, F.; Mavume, A.; Lauer, C.; Lin, I.I.; Ali, M.M.; Sandery, P.; Ramos-Buarque, S.; Kang, K.R.; Mehra, A.; Chassignet, E.; Halliwell, G. |
| Title |
Applications of Satellite-Derived Ocean Measurements to Tropical Cyclone Intensity Forecasting |
Type |
$loc['typeJournal Article'] |
| Year |
2009 |
Publication |
Oceanography |
Abbreviated Journal |
Oceanog. |
| Volume |
22 |
Issue |
3 |
Pages |
190-197 |
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1042-8275 |
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COAPS @ mfield @ |
Serial |
384 |
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Griffies, S. M. , Yin, J. , Bates, S. , Behrens, E. , Bentsen, M. , Bi, D. , Biastoch, A. , Böning, C. , Bozec, A. , Cassou, C. , Chassignet, E. , Danabasoglu, G. , Danilov, S. , Domingues, C. , Drange, H. , Durack, P. , Farneti, R. , Fernandez, E. , Goddard, P. , Greatbatch, R. , Ilicak, M. , Lu, J. , Marsland, S. , Mishra, A. , Lorbacher, K. , Nurser, G. , Salas y Mélia, D. , Palter, J. , Samuels, B. , Schröter, J. , Schwarzkopf, F. , Sidorenko, D. , Treguier, A. M. , Tseng, Y. , Tsujino, H. , Uotila, P. , Valcke, S. , Voldoire, A. , Wang, Q. , Winton, M. and Zhang, X. |
| Title |
An assessment of global and regional sea level in a suite of interannual CORE-II simulations: a synopsis |
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$loc['typeMagazine Article'] |
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2013 |
Publication |
Exchanges : newsletter of the Climate Variability and Predictability Programme (CLIVAR) |
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18 |
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2 |
Pages |
11-15 |
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COAPS @ mfield @ |
Serial |
214 |
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Griffies, S.M.; Biastoch, A.; Böning, C.; Bryan, F.; Danabasoglu, G.; Chassignet, E.P.; England, M.H.; Gerdes, R.; Haak, H.; Hallberg, R.W.; Hazeleger, W.; Jungclaus, J.; Large, W.G.; Madec, G.; Pirani, A.; Samuels, B.L.; Scheinert, M.; Gupta, A.S.; Severijns, C.A.; Simmons, H.L.; Treguier, A.M.; Winton, M.; Yeager, S.; Yin, J. |
| Title |
Coordinated Ocean-ice Reference Experiments (COREs) |
Type |
$loc['typeJournal Article'] |
| Year |
2009 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
| Volume |
26 |
Issue |
1-2 |
Pages |
1-46 |
| Keywords |
Global ocean-ice modelling; Model comparison; Experimental design; Atmospheric forcing; Analysis diagnostics; Circulation stability; World ocean |
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1463-5003 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
401 |
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Griffies, S.M.; Danabasoglu, G.; Durack, P.J.; Adcroft, A.J.; Balaji, V.; Böning, C.W.; Chassignet, E.P.; Curchitser, E.; Deshayes, J.; Drange, H.; Fox-Kemper, B.; Gleckler, P.J.; Gregory, J.M.; Haak, H.; Hallberg, R.W.; Heimbach, P.; Hewitt, H.T.; Holland, D.M.; Ilyina, T.; Jungclaus, J.H.; Komuro, Y.; Krasting, J.P.; Large, W.G.; Marsland, S.J.; Masina, S.; McDougall, T.J.; Nurser, A.J.G.; Orr, J.C.; Pirani, A.; Qiao, F.; Stouffer, R.J.; Taylor, K.E.; Treguier, A.M.; Tsujino, H.; Uotila, P.; Valdivieso, M.; Wang, Q.; Winton, M.; Yeager, S.G. |
| Title |
OMIP contribution to CMIP6: experimental and diagnostic protocol for the physical component of the Ocean Model Intercomparison Project |
Type |
$loc['typeJournal Article'] |
| Year |
2016 |
Publication |
Geoscientific Model Development |
Abbreviated Journal |
Geosci. Model Dev. |
| Volume |
9 |
Issue |
9 |
Pages |
3231-3296 |
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1991-9603 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
77 |
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Griffies, S.M.; Yin, J.; Durack, P.J.; Goddard, P.; Bates, S.C.; Behrens, E.; Bentsen, M.; Bi, D.; Biastoch, A.; Böning, C.W.; Bozec, A.; Chassignet, E.; Danabasoglu, G.; Danilov, S.; Domingues, C.M.; Drange, H.; Farneti, R.; Fernandez, E.; Greatbatch, R.J.; Holland, D.M.; Ilicak, M.; Large, W.G.; Lorbacher, K.; Lu, J.; Marsland, S.J.; Mishra, A.; George Nurser, A.J.; Salas y Mélia, D.; Palter, J.B.; Samuels, B.L.; Schröter, J.; Schwarzkopf, F.U.; Sidorenko, D.; Treguier, A.M.; Tseng, Y.-heng; Tsujino, H.; Uotila, P.; Valcke, S.; Voldoire, A.; Wang, Q.; Winton, M.; Zhang, X. |
| Title |
An assessment of global and regional sea level for years 1993-2007 in a suite of interannual CORE-II simulations |
Type |
$loc['typeJournal Article'] |
| Year |
2014 |
Publication |
Ocean Modelling |
Abbreviated Journal |
Ocean Modelling |
| Volume |
78 |
Issue |
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Pages |
35-89 |
| Keywords |
Sea level; CORE global ocean-ice simulations; Steric sea level; Global sea level; Ocean heat content |
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1463-5003 |
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$loc['no'] |
| Call Number |
COAPS @ mfield @ |
Serial |
128 |
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| Author |
Guerra, L.A.A.; Paiva, A.M.; Chassignet, E.P. |
| Title |
On the translation of Agulhas rings to the western South Atlantic Ocean |
Type |
$loc['typeJournal Article'] |
| Year |
2018 |
Publication |
Deep Sea Research Part I: Oceanographic Research Papers |
Abbreviated Journal |
Deep Sea Research Part I: Oceanographic Research Papers |
| Volume |
139 |
Issue |
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Pages |
104-113 |
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| Abstract |
The shedding of Agulhas rings is the primary process connecting the Indian and Atlantic oceans. The rings transport warm and salty waters that feed the surface limb of the Atlantic Meridional Overturning Circulation. Early studies suggest that Agulhas rings decay and diffuse their contents within the South Atlantic subtropical gyre. In this paper, we update the ring census using an automated algorithm to detect and track eddies over more than 23 years of satellite altimetry data (1993-2016) and calculate their main characteristics. While 140 rings spawned from the Agulhas Retroflection, their following splitting and merging resulted in 74 long-lived rings that crossed the Walvis Ridge and translated towards the west. Eventually, three rings reached the western boundary. For one of them, we use in situ measurements to document its interaction with the Brazil Current and two cyclonic eddies, which resulted in a current velocity increase by three times. Although already hypothesized, this interaction had not been demonstrated with in situ evidence until now. |
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0967-0637 |
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$loc['no'] |
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COAPS @ user @ |
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994 |
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