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A BGC-Argo Guide: Planning, Deployment, Data Handling and Usage 5
Bittig, Henry C.; Maurer, Tanya L.; Plant, Joshua N.; Schmechtig, Catherine; Wong, Annie P. S.; Claustre, Hervé; Trull, Thomas W.; Udaya Bhaskar, T. V. S.; Boss, Emmanuel; Dall’olmo, Giorgio; Organelli, Emanuele; Poteau, Antoine; Johnson, Kenneth S.; Hanstein, Craig; Leymarie, Edouard; Le Reste, Serge; Riser, Stephen C.; Rupan, A. Rick; Taillandier, Vincent; Thierry, Virginie; Xing, Xiaogang.
The Biogeochemical-Argo program (BGC-Argo) is a new profiling-float-based, ocean wide, and distributed ocean monitoring program which is tightly linked to, and has benefited significantly from, the Argo program. The community has recommended for BGC-Argo to measure six additional properties in addition to pressure, temperature and salinity measured by Argo, to include oxygen, pH, nitrate, downwelling light, chlorophyll fluorescence and the optical backscattering coefficient. The purpose of this addition is to enable the monitoring of ocean biogeochemistry and health, and in particular, monitor major processes such as ocean deoxygenation, acidification and warming and their effect on phytoplankton, the main source of energy of marine ecosystems. Here we...
Tipo: Text Palavras-chave: Ocean observation; Ocean biogeochemical cycles; Sensors; Carbon cycle; Ocean optics; Best practices; Argo.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00512/62344/66607.pdf
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Argo Data 1999–2019: Two Million Temperature-Salinity Profiles and Subsurface Velocity Observations From a Global Array of Profiling Floats 5
Wong, Annie P. S.; Wijffels, Susan E.; Riser, Stephen C.; Pouliquen, Sylvie; Hosoda, Shigeki; Roemmich, Dean; Gilson, John; Johnson, Gregory C.; Martini, Kim; Murphy, David J.; Scanderbeg, Megan; Bhaskar, T. V. S. Udaya; Buck, Justin J. H.; Merceur, Frederic; Carval, Thierry; Maze, Guillaume; Cabanes, Cécile; André, Xavier; Poffa, Noe; Yashayaev, Igor; Barker, Paul M.; Guinehut, Stéphanie; Belbéoch, Mathieu; Ignaszewski, Mark; Baringer, Molly O'Neil; Schmid, Claudia; Lyman, John M.; Mctaggart, Kristene E.; Purkey, Sarah G.; Zilberman, Nathalie; Alkire, Matthew B.; Swift, Dana; Owens, W. Brechner; Jayne, Steven R.; Hersh, Cora; Robbins, Pelle; West-mack, Deb; Bahr, Frank; Yoshida, Sachiko; Sutton, Philip J. H.; Cancouët, Romain; Coatanoan, Christine; Dobbler, Delphine; Juan, Andrea Garcia; Gourrion, Jerome; Kolodziejczyk, Nicolas; Bernard, Vincent; Bourlès, Bernard; Claustre, Hervé; D'Ortenzio, Fabrizio; Le Reste, Serge; Le Traon, Pierre-yves; Rannou, Jean Philippe; Saout-grit, Carole; Speich, Sabrina; Thierry, Virginie; Verbrugge, Nathalie; Angel-benavides, Ingrid M.; Klein, Birgit; Notarstefano, Giulio; Poulain, Pierre-marie; Vélez-belchí, Pedro; Suga, Toshio; Ando, Kentaro; Iwasaska, Naoto; Kobayashi, Taiyo; Masuda, Shuhei; Oka, Eitarou; Sato, Kanako; Nakamura, Tomoaki; Sato, Katsunari; Takatsuki, Yasushi; Yoshida, Takashi; Cowley, Rebecca; Lovell, Jenny L.; Oke, Peter R.; Van Wijk, Esmee M.; Carse, Fiona; Donnelly, Matthew; Gould, W. John; Gowers, Katie; King, Brian A.; Loch, Stephen G.; Mowat, Mary; Turton, Jon; Rama Rao, E. Pattabhi; Ravichandran, M.; Freeland, Howard J.; Gaboury, Isabelle; Gilbert, Denis; Greenan, Blair J. W.; Ouellet, Mathieu; Ross, Tetjana; Tran, Anh; Dong, Mingmei; Liu, Zenghong; Xu, Jianping; Kang, Kiryong; Jo, Hyeongjun; Kim, Sung-dae; Park, Hyuk-min.
In the past two decades, the Argo Program has collected, processed, and distributed over two million vertical profiles of temperature and salinity from the upper two kilometers of the global ocean. A similar number of subsurface velocity observations near 1,000 dbar have also been collected. This paper recounts the history of the global Argo Program, from its aspiration arising out of the World Ocean Circulation Experiment, to the development and implementation of its instrumentation and telecommunication systems, and the various technical problems encountered. We describe the Argo data system and its quality control procedures, and the gradual changes in the vertical resolution and spatial coverage of Argo data from 1999 to 2019. The accuracies of the...
Tipo: Text Palavras-chave: Global; Ocean; Pressure; Temperature; Salinity; Argo; Profiling; Floats.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00652/76377/77385.pdf
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Argo data management report 2014. Coriolis DAC & GDAC 5
Carval, Thierry; Coatanoan, Christine; Cabanes, Cecile.
This report covers the activity of Coriolis data centre for a one year period from October 1st 2013 to September 30th 2014.
Tipo: Text Palavras-chave: Argo; Argo.
Ano: 2014 URL: http://archimer.ifremer.fr/doc/00221/33248/31724.pdf
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Argo data management report 2015. Coriolis DAC & GDAC 5
Carval, Thierry; Coatanoan, Christine.
This report covers the activity of Coriolis data centre for a one year period from October 1st 2014 to September 30th 2015.
Tipo: Text Palavras-chave: Argo; Argo.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00286/39749/38309.pdf
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Argo data management report 2016. Coriolis DAC & GDAC 5
Carval, Thierry; Coatanoan, Christine.
This report covers the activity of Coriolis data centre for a one-year period from September 1st 2015 to August 31th 2016.
Tipo: Text Palavras-chave: Argo; Argo.
Ano: 2016 URL: http://archimer.ifremer.fr/doc/00350/46128/45867.pdf
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Argo data management report 2017. Coriolis DAC & GDAC 5
Carval, Thierry; Coatanoan, Christine.
This report covers the activity of Coriolis data centre for a one-year period from November 1st 2016 to October 31th 2017.
Tipo: Text Palavras-chave: Argo; Argo.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00411/52199/52916.pdf
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Argo data management report 2018, Coriolis DAC & GDAC 5
Carval, Thierry; Coatanoan, Christine; Cancouet, Romain.
This report covers the activity of Coriolis data centre for a one-year period from November 1st 2017 to October 31th 2018.
Tipo: Text Palavras-chave: Argo; Argo.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00469/58109/60529.pdf
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Argo data management report 2019, Coriolis DAC & GDAC 5
Carval, Thierry; Coatanoan, Christine.
This report covers the activity of Coriolis data centre for a one-year period from July 1st 2018 to August 31th 2019.
Tipo: Text Palavras-chave: Argo; Argo.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00585/69679/67547.pdf
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Argo data management report 2020, Coriolis DAC & GDAC 5
Carval, Thierry; Coatanoan, Christine.
This report covers the activity of Coriolis data centre for a one-year period from July 1st 2018 to August 31th 2019.
Tipo: Text Palavras-chave: Argo; Argo.
Ano: 2020 URL: https://archimer.ifremer.fr/doc/00658/77033/78332.pdf
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Argo: The Challenge of Continuing 10 Years of Progress 5
Roemmich, Dean; Belbéoc, Mathieu; Freeland, Howard; Garzoli, Sylvia; Gould, John; Grant, Fiona; Ignaszewski, Mark; King, Brian; Klein, Birgit; Le Traon, Pierre-yves; Mork, Kjell Arne; Brechner Owens, W; Pouliquen, Sylvie; Ravichandran, Muthalagu; Riser, Stephen; Sterl, Andreas; Suga, Toshio; Suk, Moon-sik; Sutton, Philip; Thierry, Virginie.
The Global Ocean Data Assimilation Experiment (GODAE [http://www.godae.org]) has spanned a decade of rapid technological development. The ever-increasing volume and diversity of oceanographic data produced by in situ instruments, remote-sensing platforms, and computer simulations have driven the development of a number of innovative technologies that are essential for connecting scientists with the data that they need. This paper gives an overview of the technologies that have been developed and applied in the course of GODAE, which now provides users of oceanographic data with the capability to discover, evaluate, visualize, download, and analyze data from all over the world. The key to this capability is the ability to reduce the inherent complexity of...
Tipo: Text Palavras-chave: GODAE; Argo; Global ocean observing system; Ocean data assimilation.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/00059/17003/14505.pdf
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BGC Argo quality control manual for particles backscattering 5
Schmechtig, Catherine; Boss, Emmanuel; Briggs, Nathan; Claustre, Herve; Dall'Olmo, Giorgio; Poteau, Antoine.
This document is the BGC-Argo quality control manual for particles backscattering. It describes the method used in real-time to apply quality control flags to particles backscattering calculated from specific sensors mounted on Argo profiling floats.
Tipo: Text Palavras-chave: Argo; Physical oceanography; In-situ marine data; Profiling floats; Bbp; Operational oceanography; Biogeochemistry.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00491/60262/63668.pdf
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Bio-Argo quality control manual for the Chlorophyll-A concentration 5
Schmechtig, Catherine; Claustre, Herve; Poteau, Antoine; D'Ortenzio, Fabrizio.
This document is the bio-Argo quality control manual for Chlorophyll A concentration. It describes the method used in real-time to apply quality control flags to Chlorophyll A concentration calculated from specific sensors mounted on Argo profiling floats.
Tipo: Text Palavras-chave: Argo; Physical oceanography; In-situ marine data; Profiling floats; Chlorophyll; Operational oceanography; Biogeochemistry.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00243/35385/60181.pdf
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Coherent heat patterns revealed by unsupervised classification of Argo temperature profiles in the North Atlantic Ocean 5
Maze, Guillaume; Mercier, Herle; Fablet, Ronan; Tandeo, Pierre; Radcenco, Manuel Lopez; Lenca, Philippe; Feucher, Charlene; Le Goff, Clement.
A quantitative understanding of the integrated ocean heat content depends on our ability to determine how heat is distributed in the ocean and what are the associated coherent patterns. This study demonstrates how this can be achieved using unsupervised classification of Argo temperature profiles. The classification method used is a Gaussian Mixture Model (GMM) that decomposes the Probability Density Function of a dataset into a weighted sum of Gaussian modes. It is determined that the North Atlantic Argo dataset of temperature profiles con- tains 8 groups of vertically coherent heat patterns, or classes. Each of the temperature profile classes reveals unique and physically coherent heat distributions along the vertical axis. A key result of this study is...
Tipo: Text Palavras-chave: Heat content; Classification North Atlantic; Stratification; Water mass; Thermocline; Argo; Pattern.
Ano: 2017 URL: http://archimer.ifremer.fr/doc/00363/47431/47456.pdf
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Combining Argo profiles with a general circulation model in the North Atlantic. Part 1: Estimation of hydrographic and circulation anomalies from synthetic profiles, over a year 5
Forget, Gael; Ferron, Bruno; Mercier, Herle.
Argo is a global array of profiling floats that provides temperature (T) and salinity (S) profiles from 2000 m to the surface every ten days with a nominal spatial resolution of 3 degrees. Here we present idealized experiments where the adjoint method is used to synthesize simulated sets of Argo profiles with a general circulation model, over a one-year period, in the North Atlantic. Using a number of drifting profilers consistent with Argo deployment objectives, the simulated array permits one to identify large-scale anomalies in the hydrography and circulation, despite the presence of a simulated eddy noise of large amplitude. Model dynamics provide an objective means to distinguish eddy noise from large-scale oceanic variability, and to infer the...
Tipo: Text Palavras-chave: General circulation model; Argo; Twin experiment; 4DVAR; Data assimilation.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-3721.pdf
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Combining Argo profiles with a general circulation model in the North Atlantic. Part 2: Realistic transports and improved hydrography, between spring 2002 and spring 2003 5
Forget, Gael; Mercier, Herle; Ferron, Bruno.
A set of Argo profiles collected in the North Atlantic between May 2002 and April 2003 is combined with a low-resolution general circulation model (GCM) using the adjoint method. Fitting the real hydrographic observations leads to vast improvements in the model circulation., including the sea surface height and the meridional heat transport. We find striking differences in basin-scale transports compared with previous assimilation experiments that use the same GCM and a similar spatial resolution. Based on forward modeling studies, it is argued that these differences are due to different assimilation experiment durations. Over 1 year, the hydrography interpolated with the GCM from Argo profiles better represents the contemporary structures than does a...
Tipo: Text Palavras-chave: General circulation model; Argo; In situ observations; 4DVAR; Data assimilation.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-3920.pdf
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Coriolis, a French project for operational oceanography 5
Pouliquen, Sylvie; Carval, Thierry; Petit De La Villeon, Loic; Gourmelen, Loic; Gouriou, Yves.
The seven French agencies concerned by ocean research are developing together a strong capability in operational oceanography based on a triad including satellite altimetry (JASON), numerical modelling with assimilation (MERCATOR), and in-situ data (CORIOLIS). The CORIOLIS project aims to build a pre-operational structure to collect, validate and distribute ocean data (temperature/salinity profiles and currents) to the scientific community and modellers. The four goals of CORIOLIS are: • To build up a data management centre, part of the ARGO network for the GODAE experiment, able to provide quality-controlled data in real time and delay modes; • To contribute to ARGO floats deployment mainly in the Atlantic with about 300 floats during the 2001-2005...
Tipo: Text Palavras-chave: In-Situ; Operational Oceanography; Argo; Data Exchange; Mersea.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/00059/17004/14507.pdf
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DBCP Drifting Buoys GDAC data management report 2018 5
Carval, Thierry; Ouellet, Mathieu; Gaboury, Isabelle; Emzivat, Gilbert.
This report covers the activity of Drifting Data Buoys Global Data Assembly Centre (DDB GDAC) published for Data Buoy Cooperation Panel (DBCP) Thirty Fourth Session.
Tipo: Text Palavras-chave: Argo.
Ano: 2018 URL: https://archimer.ifremer.fr/doc/00460/57198/59168.pdf
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Ifremer-Sismer Core Trust Seal: document d'évaluation pour la certification 5
Cotty, Pierre.
This document is the Assesment Information document for Ifremer-Sismer Core-Trust-Seal (CTS) certification as CTS certified repository. More on https://www.coretrustseal.org/why-certification/certified-repositories/
Tipo: Text Palavras-chave: Informatique; Données marines; Argo.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00656/76796/77964.pdf
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Interannual variability of upper ocean water masses as inferred from Argo Array 5
Kolodziejczyk, Nicolas; Llovel, William; Portela, Esther.
nterannual variability of Ocean Heat Content (OHC) is intimately linked to ocean water mass changes. Water mass characteristics are imprinted at the ocean surface and are modulated by climate variability on interannual to decadal time scales. In this study, we investigate the water mass change and their variability using an isopycnal decomposition of the OHC. For that purpose, we address the thickness and temperature changes of these water masses using both individual temperature‐salinity profiles and optimal interpolated products from Argo data. Isopycnal decomposition allows us to characterize the water masses interannual variability and decadal trends of volume and OHC. During the last decade (2006–2015), much of interannual and decadal warming is...
Tipo: Text Palavras-chave: Water masses; Ocean heat content; Interannual variability; Argo; Mode water; Atmospheric forcing.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00510/62128/66340.pdf
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Les Eaux Modales du gyre subpolaire de l'Atlantique Nord : origine, formation, variabilité 5
De Boisseson, Eric.
The subpolar Mode Waters of the North Atlantic ocean play a key role in the general oceanic surface circulation. Their life cycle has only been described from an average of observations over several decades. This description avoids the real time scale of this life cycle and smooths its variaribility. It also does not adress the setting the Mode Water properties. This thesis work deals with these aspects by analysing both the ORCA025-G70 model fields and the observations.The lagrangian analysis of the ORCA025-G70 fields highlights the key role of the North Atlantic current in the life cycle of the Mode Waters. The Mode Waters are fed and carried by this current. They form during the winter mixed layer deepening due to the surface atmospheric fluxes. The...
Tipo: Text Palavras-chave: ORCA025 G70; Lagrangian analysis; Argo; Advection; Atmospheric fluxes; North Atlantic current; Subpolar gyre; North Atlantic; Mode water; ORCA025 G70; Analyse lagrangienne; Argo; Advection; Flux atmosphériques; Courant Nord Atlantique; Gyre subpolaire; Atlantique Nord; Eau modale.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/2010/these-7469.pdf
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