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Author Zou, S.; Bower, A.; Furey, H.; Susan Lozier, M.; Xu, X. doi  openurl
  Title Redrawing the Iceland-Scotland Overflow Water pathways in the North Atlantic Type $loc['typeJournal Article']
  Year 2020 Publication Abbreviated Journal Nat Commun  
  Volume 11 Issue 1 Pages 1890  
  Keywords  
  Abstract Iceland-Scotland Overflow Water (ISOW) is a primary deep water mass exported from the Norwegian Sea into the North Atlantic as part of the global Meridional Overturning Circulation. ISOW has historically been depicted as flowing counter-clockwise in a deep boundary current around the subpolar North Atlantic, but this single-boundary-following pathway is being challenged by new Lagrangian observations and model simulations. We show here that ISOW leaves the boundary and spreads into the interior towards the central Labrador and Irminger basins after flowing through the Charlie-Gibbs Fracture Zone. We also describe a newly observed southward pathway of ISOW along the western flank of the Mid-Atlantic Ridge. The partitioning of these pathways is shown to be influenced by deep-reaching eddies and meanders of the North Atlantic Current. Our results, in tandem with previous studies, call for a revision in the historical depiction of ISOW pathways throughout the North Atlantic.  
  Address Center for Ocean-Atmosphere Prediction Studies, Florida State University, Tallahassee, FL, USA  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2041-1723 ISBN Medium  
  Area Expedition Conference  
  Funding strtoupper('3').strtolower('2313002'); strtoupper('P').strtolower('MC7170894') Approved $loc['no']  
  Call Number COAPS @ user @ Serial 1105  
Permanent link to this record
 

 
Author Xu, X.; Chassignet, E.P.; Johns, W.E.; Schmitz Jr, W.J.; Metzger, E.J. url  doi
openurl 
  Title Intraseasonal to interannual variability of the Atlantic meridional overturning circulation from eddy-resolving simulations and observations Type $loc['typeJournal Article']
  Year 2014 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans  
  Volume 119 Issue 8 Pages 5140-5159  
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  Abstract  
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  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2169-9275 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 152  
Permanent link to this record
 

 
Author Zeng, L.; Chassignet, E.P.; Schmitt, R.W.; Xu, X.; Wang, D. url  doi
openurl 
  Title Salinification in the South China Sea Since Late 2012: A Reversal of the Freshening Since the 1990s Type $loc['typeJournal Article']
  Year 2018 Publication Geophysical Research Letters Abbreviated Journal Geophys. Res. Lett.  
  Volume 45 Issue 6 Pages 2744-2751  
  Keywords South China Sea; salinification; Argo floats; Aquarius; SMAP; PDO  
  Abstract  
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  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0094-8276 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 853  
Permanent link to this record
 

 
Author Xu, X.; Chassignet, E.P.; Price, J.F.; Özgökmen, T.M.; Peters, H. url  doi
openurl 
  Title A regional modeling study of the entraining Mediterranean outflow Type $loc['typeJournal Article']
  Year 2007 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.  
  Volume 112 Issue C12 Pages  
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  Abstract  
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  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0148-0227 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 420  
Permanent link to this record
 

 
Author Xu, X.; Schmitz Jr., W.J.; Hurlburt, H.E.; Hogan, P.J.; Chassignet, E.P. url  doi
openurl 
  Title Transport of Nordic Seas overflow water into and within the Irminger Sea: An eddy-resolving simulation and observations Type $loc['typeJournal Article']
  Year 2010 Publication Journal of Geophysical Research Abbreviated Journal J. Geophys. Res.  
  Volume 115 Issue C12 Pages  
  Keywords transport; overflow water; Nordic Seas; North Atlantic Deep Water; Irminger Sea; Reykjanes Ridge  
  Abstract  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0148-0227 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 367  
Permanent link to this record
 

 
Author Xu, X.; Bower, A.; Furey, H.; Chassignet, E.P. url  doi
openurl 
  Title Variability of the Iceland-Scotland Overflow Water Transport Through the Charlie-Gibbs Fracture Zone: Results From an Eddying Simulation and Observations Type $loc['typeJournal Article']
  Year 2018 Publication Journal of Geophysical Research: Oceans Abbreviated Journal J. Geophys. Res. Oceans  
  Volume 123 Issue 8 Pages 5808-5823  
  Keywords Iceland; Scotland overflow water; Charlie; Gibbs fracture zone; variability; volume transport; eddying simulation  
  Abstract Observations show that the westward transport of the Iceland‐Scotland overflow water (ISOW) through the Charlie‐Gibbs Fracture Zone (CGFZ) is highly variable. This study examines (a) where this variability comes from and (b) how it is related to the variability of ISOW transport at upstream locations in the Iceland Basin and other ISOW flow pathways. The analyses are based on a 35‐year 1/12° eddying Atlantic simulation that represents well the main features of the observed ISOW in the area of interest, in particular, the transport variability through the CGFZ. The results show that (a) the variability of the ISOW transport is closely correlated with that of the barotropic transports in the CGFZ associated with the meridional displacement of the North Atlantic Current front and is possibly induced by fluctuations of large‐scale zonal wind stress in the Western European Basin east of the CGFZ; (b) the variability of the ISOW transport is increased by a factor of 3 from the northern part of the Iceland Basin to the CGFZ region and transport time series at these two locations are not correlated, further suggesting that the variability at the CGFZ does not come from the upstream source; and (c) the variability of the ISOW transport at the CGFZ is strongly anticorrelated to that of the southward ISOW transport along the eastern flank of the Mid‐Atlantic Ridge, suggesting an out‐of‐phase covarying transport between these two ISOW pathways.  
  Address  
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  Series Volume Series Issue Edition  
  ISSN 2169-9275 ISBN Medium  
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  Funding Approved $loc['no']  
  Call Number COAPS @ user @ Serial 952  
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Author Legg, S.; Briegleb, B.; Chang, Y.; Chassignet, E.P.; Danabasoglu, G.; Ezer, T.; Gordon, A.L.; Griffies, S.; Hallberg, R.; Jackson, L.; Large, W.; Özgökmen, T.M.; Peters, H.; Price, J.; Riemenschneider, U.; Wu, W.; Xu, X.; Yang, J. url  doi
openurl 
  Title Improving Oceanic Overflow Representation in Climate Models: The Gravity Current Entrainment Climate Process Team Type $loc['typeJournal Article']
  Year 2009 Publication Bulletin of the American Meteorological Society Abbreviated Journal Bull. Amer. Meteor. Soc.  
  Volume 90 Issue 5 Pages 657-670  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0003-0007 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 683  
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Author Maloney, E.D.; Gettelman, A.; Ming, Y.; Neelin, J.D.; Barrie, D.; Mariotti, A.; Chen, C.-C.; Coleman, D.R.B.; Kuo, Y.-H.; Singh, B.; Annamalai, H.; Berg, A.; Booth, J.F.; Camargo, S.J.; Dai, A.; Gonzalez, A.; Hafner, J.; Jiang, X.; Jing, X.; Kim, D.; Kumar, A.; Moon, Y.; Naud, C.M.; Sobel, A.H.; Suzuki, K.; Wang, F.; Wang, J.; Wing, A.A.; Xu, X.; Zhao, M. url  doi
openurl 
  Title Process-Oriented Evaluation of Climate and Weather Forecasting Models Type $loc['typeJournal Article']
  Year 2019 Publication Bulletin of the American Meteorological Society Abbreviated Journal Bull. Amer. Meteor. Soc.  
  Volume 100 Issue 9 Pages 1665-1686  
  Keywords  
  Abstract Realistic climate and weather prediction models are necessary to produce confidence in projections of future climate over many decades and predictions for days to seasons. These models must be physically justified and validated for multiple weather and climate processes. A key opportunity to accelerate model improvement is greater incorporation of process-oriented diagnostics (PODs) into standard packages that can be applied during the model development process, allowing the application of diagnostics to be repeatable across multiple model versions and used as a benchmark for model improvement. A POD characterizes a specific physical process or emergent behavior that is related to the ability to simulate an observed phenomenon. This paper describes the outcomes of activities by the Model Diagnostics Task Force (MDTF) under the NOAA Climate Program Office (CPO) Modeling, Analysis, Predictions and Projections (MAPP) program to promote development of PODs and their application to climate and weather prediction models. MDTF and modeling center perspectives on the need for expanded process-oriented diagnosis of models are presented. Multiple PODs developed by the MDTF are summarized, and an open-source software framework developed by the MDTF to aid application of PODs to centers' model development is presented in the context of other relevant community activities. The paper closes by discussing paths forward for the MDTF effort and for community process-oriented diagnosis.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0003-0007 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ user @ Serial 1088  
Permanent link to this record
 

 
Author Xu, X.; Rhines, P.B.; Chassignet, E.P. url  doi
openurl 
  Title Temperature-Salinity Structure of the North Atlantic Circulation and Associated Heat and Freshwater Transports Type $loc['typeJournal Article']
  Year 2016 Publication Journal of Climate Abbreviated Journal J. Climate  
  Volume 29 Issue 21 Pages 7723-7742  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0894-8755 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 58  
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Author Xu, X.; Rhines, P.B.; Chassignet, E.P.; Schmitz Jr., W.J. url  doi
openurl 
  Title Spreading of Denmark Strait Overflow Water in the Western Subpolar North Atlantic: Insights from Eddy-Resolving Simulations with a Passive Tracer Type $loc['typeJournal Article']
  Year 2015 Publication Journal of Physical Oceanography Abbreviated Journal J. Phys. Oceanogr.  
  Volume 45 Issue 12 Pages 2913-2932  
  Keywords Circulation/ Dynamics; Abyssal circulation; Boundary currents; Ocean circulation; Ocean dynamics; Potential vorticity; Topographic effects  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0022-3670 ISBN Medium  
  Area Expedition Conference  
  Funding Approved $loc['no']  
  Call Number COAPS @ mfield @ Serial 116  
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