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<meta name="description" content="Welcome to the Estimation of the |
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Circulation and Climate of the Ocean (ECCO) project homepage. ECCO is a consortium |
<meta name="description" content="Welcome to the Estimation of the |
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involving the Massachusetts Institute of Technology (MIT), the Jet Propulsion |
Circulation and Climate of the Ocean (ECCO) project homepage. ECCO is a consortium |
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Laboratory (JPL/NASA), the Scripps Institution of Oceanography (SIO/SDSC) and the Institut |
involving the Massachusetts Institute of Technology (MIT), the Jet Propulsion |
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fuer Meereskunde at the University of Hamburg (IfM). It is funded by the National |
Laboratory (JPL/NASA), the Scripps Institution of Oceanography (SIO/SDSC) and the Institut |
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Oceanographic Partnership Program (NOPP). The long term goal of ECCO is to provide |
fuer Meereskunde at the University of Hamburg (IfM). It is funded by the National |
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a high resolution coupled ocean/sea-ice/biochemical (and ultimately, consistent |
Oceanographic Partnership Program (NOPP). The long term goal of ECCO is to provide |
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atmospheric) state estimate to a wide community." /> |
a high resolution coupled ocean/sea-ice/biochemical (and ultimately, consistent |
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atmospheric) state estimate to a wide community." /> |
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<p class="headergray">ARCHIVE</p> |
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<p class="headergray"> </p> |
<p><span class="headergray">February 2014: Announcing a new-generation, global, bi-decadal state estimate: ECCO version 4</span></p> |
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<p class="headergray">NEWS</p> |
<p>Following the ECCO meeting in January at MIT, the JPL/MIT/AER ECCO-Production team is happy to announce the release of a new-generation, global, bi-decadal state estimate (ECCO-Production, release 1). The product covers the period 1992 to 2011. |
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<p><span class="headergray">21 May 2007: 50 year GECCO solution made available online</span></p> |
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A fifty year state estimate covering 1950 to 2000 |
Several aspects of this new product have been highlighted already during the ECCO meeting. To re-iterate, some of the features include a fully global grid (LLC90) with the inclusion of the Arctic Ocean, telescoping from 1 to 1/3 deg. in the tropics, a doubling in vertical resolution (from 23 to 50 levels), forcing with the ERA-Interim atmospheric reanalysis, and improved treatment of data sets in terms of resolved vs. unresolved scales. The state estimate is being made available on its native grid on the DODS/OPeNDAP server |
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is now available on the ECCO LAS server at <a href="http://www.ecco-group.org/eccolas/servlets/dataset" target="_blank">SDSC</a> The estimate was produced by the "German ECCO" <a href="http://www.ifm.uni-hamburg.de/" target="_blank">(GECCO)</a> group at the University of Hamburg |
<br> |
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The product is described in |
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Koehl, A., D. Dommenget, K. Ueyoshi, D. Stammer, The Global ECCO |
<a href="http://mit.ecco-group.org/opendap/ecco_for_las/version_4/release1/contents.html" target="_blank">http://mit.ecco-group.org/opendap/ecco_for_las/version_4/release1/contents.html</a> |
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1952 to 2001 Ocean Synthesis Report No.40, March 2006. </p> |
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<p> </p> |
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<p><span class="headergray">18 May 2007: New ECCO web page goes live.</span></p> |
The sub-directory ancillary_data/ has some extra information, including our standard analysis (standardAnalysis.pdf) that documents model-data misfits and physical variables of general interest. A copy of the matlab codes used to generate the standard analysis is also provided (gcmfaces_MITprof_r1.tar). As with releases of previous estimates, we think that many aspects of this release are mature (and improvements from previous versions), but with further improvements of some aspects to be expected in subsequent releases. |
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<p> |
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In collaboration with web designer Colleen Boisvert |
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ECCO has launched a new overall project web site. |
Gael Forget has played a leading role in developing ECCO v4 and producing the released estimate. [UPDATE 2015:] A more detailed paper describing the design of ECCO v4, and the solution is available at: |
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Main purpose of this site is to provide an integrated view |
Forget, G., J.M. Campin, P. Heimbach, C.N. Hill, R.M. Ponte, and C. Wunsch, 2015: ECCO version 4: an integrated framework for non-linear inverse modeling and global ocean state estimation. Geosci. Model Dev., 8, 3071-3104, <a href="http://www.geosci-model-dev.net/8/3071/2015/">doi:10.5194/gmd-8-3071-2015</a> |
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of ECCO and it's follow-on projects |
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(ECCO-GODAE, ECCO2, GECCO, ...). |
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It is hoped that readers will get a clear understanding |
Please send comments/questions or report issues to <a href="mailto:ecco-support@mit.edu">ecco-support@mit.edu</a> |
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of |
</p> |
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ECCO's various activities, and will find |
<hr> |
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among ECCO's various ocean state estimation products |
<p><span class="headergray">February 2010: ECCO-GODAE to be featured at AGU Ocean Science 2010 Town Hall Meeting</span></p> |
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those which best suit their needs. |
<p>The National Oceanographic Partnership Program (NOPP) will hold a Town Hall meeting during OS 2010, entitled: <i>Ocean Partnerships: Collaborative Oceanographic Research for the Future</i>. One of the projects featured will be ECCO-GODAE. The meeting takes place on Tuesday, February 23r |
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We welcome any <a href="mailto:heimbach@mit.edu">feedback</a> you may wish to provide. </p> |
d, from 11:45 to 12:45 in room D139.</strong></p> |
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<p> </p> |
<p> </p> |
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<p class="headergray">30 March 2007: Ocean model captures diversity of marine microbes</p> |
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<p> Scientists at MIT have developed a new marine ecosystem model that allows its populations of |
<p><span class="headergray">August 2009: Editors' Highlight in GRL</span></p> |
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phytoplankton to realistically evolve, reflecting the diversity in populations in the natural world. This |
<p> Work by R.M. Ponte and K.J. Quinn on <i>Bottom pressure changes around Antarctica and wind-driven meridional flows</i> was picked as <a href="http://www.agu.org/cgi-bin/highlights/highlights.cgi?action=show&doi=10.1029/2009GL039060&jc=gl" target="_blank">Editors' Highight</a> in the Geophysical Research Letters' recent volume 36.</i>.</p> |
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should lead to a better understanding of the coupling between ocean and atmospheric chemistry. |
<p> </p> |
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The model makes use of ECCO's ocean state estimate to capture the physical environment in |
<hr> |
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which the ecosystem evolves. The study "Emergent Biogeography of Microbial Communities in a |
<p><span class="headergray">June 2009: A new ECCO-GODAE solution</span></p> |
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Model Ocean" by Michael J. Follows, Stephanie Dutkiewicz, Scott Grant, and Sallie W. Chisholm was published in today's issue of <a href="http://www.sciencemag.org/cgi/content/abstract/315/5820/1843" target="_blank">Science magazine</a>. It is part of the <a href="http://www.moore.org/newsitem.aspx?id=2064" target="_blank">MIT Darwin Project</a> and funded by the Gordon and Betty Moore Foundation.<br /> |
<p> The MIT/AER ECCO-GODAE project issued a new solution of its recent version 3 system. The new solution uses atmospheric state fields as control variables in conjunction with an adjoint of the Large and Yeager surface boundary layer scheme, as well as a dynamic/thermodynamical sea-ice model. The solution has been update through the end of 2007 (calculations through end of 2008 are under way). The new solution is available via ECCO's <a href="http://www.ecco-group.org/las/v6/dataset?catitem=91" target="_blank">LAS server at MIT</a>.</p> |
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<a href="http://web.mit.edu/newsoffice/2007/microbes.html" target="_blank">(Click here for a related MIT News Story)</a></p> |
<p> </p> |
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<p> </p> |
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<p><span class="headergray">19 March 2007: ECCO products now hosted on SDSC's SRB archive.</span></p> |
<p><span class="headergray">Dec 2008: ECCO session at AGU Fall Meeting 2008</span></p> |
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<p> In a collaboration between the San Diego Supercomputing Center |
<p> AGU's Fall Meeting 2008 will feature an ECCO session, identified as <a href="http://www.agu.org/meetings/fm08.old/index.php/Program/SessionSearch/?show=detail&sessid=45" target="_blank">OS04: CLIVAR/GODAE: The ECCO State Estimates</a>. This session will provide an opportunity for ECCO product users to (a) describe the scientific implications of their results, (b) enhance the feedback from the broader community to the Consortium, (c) foster the interaction between ECCO members and other scientists who utilize the state estimates. The <a href="http://www.agu.org/cgi-bin/sessions5?meeting=fm08&part=OS41F" target="_blank">oral part (OS41F)</a> will take place on <i>Thursday, Dec. 18th, starting 8am in MW Room 2022</i>. It is preceded by a <a href="http://www.agu.org/cgi-bin/sessions5?meeting=fm08&part=OS31C" target="_blank">poster session (OS31C)</a> on <i>Wednesday, Dec. 17th, starting 8am, in MC Hall D</i>.</p> |
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(SDSC) and ECCO, |
<p> </p> |
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a large part of the ECCO products have been transfered to |
<hr> |
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<a href="http://datacentral.sdsc.edu/resources.html" target="_blank">SDSC's Datacentral</a> and managed via <a href="http://datacentral.sdsc.edu/srb_resource.html" target="_blank">Storage Resource Broker (SRB)</a>. To make these data available to the community via |
<p><span class="headergray">Sep 2008: An eddy-permitting Southern Ocean State Estimate (SOSE)</span></p> |
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different commonly used servers and software tools, |
<p> As part of his Ph.D. thesis, <a href="http://www-pord.ucsd.edu/~mmazloff/" target="_blank">Matt Mazloff</a> has produced an eddy-permitting state estimate at 1/6 degree horizontal resolution of the Southern Ocean, covering the Argo-rich period 2005/06. The adjoint-based solution is dynamically consistent and enables closed budget calculations of various quantities. Matt's thesis was featured in the <a href="http://www.sdsc.edu/us/newsletter/common/newsletter.php?%20issue=2006-02&corner=fstory">SDSC Thread Newsletter</a>, and more recently in WHOI's Oceanus magazine (<a href="http://www.whoi.edu/oceanus/viewArticle.do?id=49240&archives=true" target="_blank">Corralling the Wild and Wooly Southern Ocean</a>).</p> |
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including DODS/OPeNDAP and LAS, |
<p> </p> |
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SDSC's DataCentral specialist Roman Olschanowsky |
<hr> |
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and MIT's Constantinos Evangelinos successfully |
<p><span class="headergray">21 May 2007: 50 year GECCO solution made available online</span></p> |
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implemented DODS/OPeNDAP on top of SRB. |
<p> |
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The SRB system allows fast and easy data access |
A fifty year state estimate covering 1950 to 2000 |
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across various disk and tape resources while ensuring |
is now available on the ECCO LAS server at <a href="http://www.ecco-group.org/eccolas/servlets/dataset" target="_blank">SDSC</a> The estimate was produced by the "German ECCO" <a href="http://www.ifm.uni-hamburg.de/" target="_blank">(GECCO)</a> group at the University of Hamburg |
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archiving/backup capability. |
The product is described in |
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High speed access to the SDSC data using the SRB client tools is also |
Koehl, A., D. Dommenget, K. Ueyoshi, D. Stammer, The Global ECCO |
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available.</p> |
1952 to 2001 Ocean Synthesis Report No.40, March 2006. </p> |
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<p> </p> |
<p> </p> |
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<p class="headergray">13 December 2006: Carl Wunsch awarded the 2006 William Bowie Medal by the American Geophysical Union</p> |
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<p>On December, 13, 2006, AGU awarded the Bowie Medal to Carl Wunsch "For his wide-ranging research in the study of the ocean and its roles in shaping Earth's climate and its changes, and for unselfish cooperation in the field of physical oceanography." <a href="http://eapsweb.mit.edu/news/special_wunsch.html" target="_blank">Read Citation</a></p> |
<p><span class="headergray">18 May 2007: New ECCO web page goes live.</span></p> |
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<p> </p> |
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<p class="headergray">13 November 2006: Elephant seals serving ECCO</p> |
In collaboration with web designer Colleen Boisvert |
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<p> A unique set of roughly 320,000 individual sub-surface measurements |
ECCO has launched a new overall project web site. |
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of salinity (conductivity), temperature, and depth (CTD) taken by elephant |
Main purpose of this site is to provide an integrated view |
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seals which carried bio-logging and telemetry devices |
of ECCO and it's follow-on projects |
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was added to the ECCO state estimation system as new |
(ECCO-GODAE, ECCO2, GECCO, ...). |
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observational constraints. |
It is hoped that readers will get a clear understanding |
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The data were kindly provided by the <a href="http://biology.st-andrews.ac.uk/seaos/index.html" target="_blank">"Southern Elephant Seals as |
of |
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Oceanographic Samplers" (SEaOS)</a> project involving |
ECCO's various activities, and will find |
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the <a href="http://www.smru.st-and.ac.uk/" target="_blank">University of St. Andrew's NERC Sea Mammal Research Unit (SMRU)</a> and the <a href="http://www.antarctica.ac.uk/" target="_blank">British Antarctic Survey</a>. The uniqueness of the data derives from the ability of seals |
among ECCO's various ocean state estimation products |
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to go under the sea-ice which covers large parts of the Southern |
those which best suit their needs. |
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Ocean poleward of 60S during austral winter and where in-situ data |
We welcome any <a href="mailto:heimbach@mit.edu">feedback</a> you may wish to provide. </p> |
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are not available otherwise.</p> |
<p> </p> |
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<p class="headergray">30 August 2006: NAS Teamwork Helps Researchers Cruise Through Ocean Data</p> |
<p class="headergray">30 March 2007: Ocean model captures diversity of marine microbes</p> |
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<p> Working with researchers at the Massachusetts Institute of Technology (MIT) and NASA's Jet Propulsion Lab (JPL), experts at the NAS facility visualized, in real time, a one-year ocean simulation with 330 million grid cells running on 2,048 processors of the Columbia supercomputer. |
<p> Scientists at MIT have developed a new marine ecosystem model that allows its populations of |
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<a href="http://www.nas.nasa.gov/News/Archive/2006/08-30-06.html" target="_blank">(Click here for more details)</a></p> |
phytoplankton to realistically evolve, reflecting the diversity in populations in the natural world. This |
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<p> </p> |
should lead to a better understanding of the coupling between ocean and atmospheric chemistry. |
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<p><a href="news_archive.htm">more stories in our archive section </a></p> </td> |
The model makes use of ECCO's ocean state estimate to capture the physical environment in |
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which the ecosystem evolves. The study "Emergent Biogeography of Microbial Communities in a |
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Model Ocean" by Michael J. Follows, Stephanie Dutkiewicz, Scott Grant, and Sallie W. Chisholm was published in today's issue of <a href="http://www.sciencemag.org/cgi/content/abstract/315/5820/1843" target="_blank">Science magazine</a>. It is part of the <a href="http://www.moore.org/newsitem.aspx?id=2064" target="_blank">MIT Darwin Project</a> and funded by the Gordon and Betty Moore Foundation.<br /> |
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<a href="http://web.mit.edu/newsoffice/2007/microbes.html" target="_blank">(Click here for a related MIT News Story)</a></p> |
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<p><span class="headergray">19 March 2007: ECCO products now hosted on SDSC's SRB archive.</span></p> |
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<p> In a collaboration between the San Diego Supercomputing Center |
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(SDSC) and ECCO, |
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a large part of the ECCO products have been transfered to |
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<a href="http://datacentral.sdsc.edu/resources.html" target="_blank">SDSC's Datacentral</a> and managed via <a href="http://datacentral.sdsc.edu/srb_resource.html" target="_blank">Storage Resource Broker (SRB)</a>. To make these data available to the community via |
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different commonly used servers and software tools, |
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including DODS/OPeNDAP and LAS, |
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SDSC's DataCentral specialist Roman Olschanowsky |
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and MIT's Constantinos Evangelinos successfully |
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implemented DODS/OPeNDAP on top of SRB. |
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<td><div align="center" class="footerlink">@ 2007 ECCO <span class="topnavlink">| <a href="search.htm" class="footerlink">search</a> |</span> <a href="site.htm" class="footerlink">site map</a> <span class="topnavlink">|</span> <a href="contact.htm" class="footerlink">contact us</a> <span class="topnavlink">|</span><a href="mailto:heimbach_AT_mit_DOT_edu" class="footerlink"> webmaster </a></div></td> |
The SRB system allows fast and easy data access |
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across various disk and tape resources while ensuring |
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archiving/backup capability. |
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High speed access to the SDSC data using the SRB client tools is also |
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available.</p> |
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<p class="headergray">13 December 2006: Carl Wunsch awarded the 2006 William Bowie Medal by the American Geophysical Union</p> |
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<p>On December, 13, 2006, AGU awarded the Bowie Medal to Carl Wunsch "For his wide-ranging research in the study of the ocean and its roles in shaping Earth's climate and its changes, and for unselfish cooperation in the field of physical oceanography." <a href="http://eapsweb.mit.edu/news/special_wunsch.html" target="_blank">Read Citation</a></p> |
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<p class="headergray">13 November 2006: Elephant seals serving ECCO</p> |
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seals which carried bio-logging and telemetry devices |
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was added to the ECCO state estimation system as new |
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observational constraints. |
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The data were kindly provided by the <a href="http://biology.st-andrews.ac.uk/seaos/index.html" target="_blank">"Southern Elephant Seals as |
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Oceanographic Samplers" (SEaOS)</a> project involving |
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the <a href="http://www.smru.st-and.ac.uk/" target="_blank">University of St. Andrew's NERC Sea Mammal Research Unit (SMRU)</a> and the <a href="http://www.antarctica.ac.uk/" target="_blank">British Antarctic Survey</a>. The uniqueness of the data derives from the ability of seals |
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to go under the sea-ice which covers large parts of the Southern |
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are not available otherwise.</p> |
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<p class="headergray">30 August 2006: NAS Teamwork Helps Researchers Cruise Through Ocean Data</p> |
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<p> Working with researchers at the Massachusetts Institute of Technology (MIT) and NASA's Jet Propulsion Lab (JPL), experts at the NAS facility visualized, in real time, a one-year ocean simulation with 330 million grid cells running on 2,048 processors of the Columbia supercomputer. |
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<a href="http://www.nas.nasa.gov/News/Archive/2006/08-30-06.html" target="_blank">(Click here for more details)</a></p> |
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<p class="headergray">April 2006: ECCO puts focus on Southern Ocean</p> |
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<p> In a collaboration with the San Diego Computer Center (SDSC) |
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ECCO embarks on producing a Southern Ocean state estimate based |
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on the adjoint method. After successfully tackling technical difficulties in |
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setting up an adjoint model at 1/6 degree horizontal resolution which can |
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run efficiently on 600 pocessors of SDSC's IBM Power-4 "DataStar" production has begun by fitting the MIT general circulation model (MITgcm) |
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to a variety of observation during the year 2004. |
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The work led by MIT's Matthew Mazloff was featured in the |
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April 2006 issue of the SDSC Nuggets magazine |
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(<a href="http://www.sdsc.edu/nuggets/200604_nuggets.html" target="_blank">"Predicting the State of the Ocean")</a> and Issue 4, Febbruary 2006 of SDSC Thread <a href="http://www.sdsc.edu/us/newsletter/common/newsletter.php?issue=2006-02&corner=fstory" target="_blank">("Estimating the State of the Southern Ocean")</a> by Matthew Mazloff.</p> |
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<p class="headergray">6 February 2006: IT Struggles with Climate Change</p> |
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<p> In a news story for the Computerworld magazine talks about |
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current limitations in computing horsepower for climate simulations. <a href="http://www.computerworld.com/hardwaretopics/hardware/story/0,10801,108314,00.html" target="_blank">(Click here for the full story) </a></p> <p> </p> |
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<td><div align="center" class="footerlink">@ 2007 ECCO <span class="topnavlink">| <a href="search.htm" class="footerlink">search</a> |</span> <a href="site.htm" class="footerlink">site map</a> <span class="topnavlink">|</span> <a href="contact.htm" class="footerlink">contact us</a> <span class="topnavlink">|</span><a href="mailto:heimbach_AT_mit_DOT_edu" class="footerlink"> webmaster </a></div></td> |
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