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revision 1.8 by edhill, Wed Dec 10 04:57:35 2003 UTC revision 1.26 by cnh, Mon Feb 5 03:17:57 2007 UTC
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22    
23    <body>    <body>
24    
25      <p>The <b>MITgcm</b> (<b>MIT</b> <b>G</b>eneral <b>C</b>irculation      <p>The <b>MITgcm</b> (<b>MIT</b> <b>G</b>eneral <b>C</b>irculation
26        <b>M</b>odel) is a numerical model for        <b>M</b>odel) is a numerical model designed for study of the
27        studying the ocean and atmosphere. It is capable of simulating these        atmosphere, ocean, and climate. Its non-hydrostatic formulation
28        fluids at a wide range of scales and can resolve many different        enables it to simulate fluid phenomena over a wide range of
29        processes. It has a non-hydrostatic capability (Marshall et al., JGR 1997a        scales; its adjoint capability enables it to be applied to
30        &amp; b) and uses the finite volume method to accurately represent the        parameter and state estimation problems. By employing fluid
31        bottom boundary position (Adcroft et al., MWR 1998).<br /><br /></p>        isomorphisms, one hydrodynamical kernel can be used to simulate
32          flow in both the atmosphere and ocean.</p>
33  <!--  
34        <p>You are welcome to <a href="http://mitgcm.org/source_code.html">
35  To add News items, please copy the following block outside these comments and        download</a> and use MITgcm.</p>
36  replace the ===DATE=== and ===MESSAGE=== place-holders with your date and your  
37  text:      <p>Papers charting the development of MITgcm <a
38          href="http://paoc.mit.edu/cmi/publications.htm">can be found here.
39      <p><b>===DATE===&nbsp;:</b><br /></p>        </a></p>
40    
41          <blockquote>      <hr align="center" size="1" width="75%" />
42            ===MESSAGE===<br /><br />  
43          </blockquote>      <div class="c1"><br /><span class="c3"><b>News</b></span></div>
44          
45  -->        <!--
46      <p><b>December 9th 2003&nbsp;:</b><br /></p>        To add News items, please copy the following block outside these comments
47          and replace the ===DATE=== and ===MESSAGE=== place-holders with your date
48          <blockquote>        and your text:
49            The new continuous testing page at <a href="http://mitgcm.org/testing.html">http://mitgcm.org/testing.html</a>        
50            provides information on the status of the latest development code. The page        <p><b>===DATE===&nbsp;:</b></p>
51            shows summary pass/fail ratios for the MITgcm regression tests on various platforms.        <blockquote>
52            Details on the platforms being tested and detailed information on the status of individual        ===MESSAGE===
53            regression tests can be viewed from links on the test page.        </blockquote>
54            <br /><br />        -->
55          </blockquote>  
56          <p><b>Feb 04, 2007&nbsp;:</b></p>
57      <p><b>October 27th 2003&nbsp;:</b><br /></p>        <blockquote>
58           News is back by popular request. New advection schemes are currently
59          <blockquote>         being tested. Some preliminary results from the new schemes can be seen
60            <b><a href="http://paoc.mit.edu/cmi/">MIT Climate Modeling Initiative         <A href=news/advection_testing_jan07/advection_testing.html>
61                (CMI)</a></b> web pages introduce the MITgcm model, its applications, and         here.
62            the development team.<br /><br />         </A>
63          </blockquote>         The plots show a tracer being transported and stretched in the
64               MITgcm advect_xz verification test. Both new schemes (OS7MP
65      <p><b>October 21st 2003&nbsp;:</b><br /></p>         and Prather second-order scheme with limiting) have very low implied
66           diffusivity.
67          <blockquote>         We are currently evaluating the
68            MITgcm and ECCO-JPL team <b><a         schemes to assess their implied diffusivity, with a bottle of
69              href="http://www.sgi.com/newsroom/press_releases/2003/october/linux.html">         Jean-Michel's favorite Belgian
70              feature as showcase application</a></b> in NASA-SGI large shared         beer going to the the least diffusive scheme - watch this space!
71              memory system program.<br /><br />        </blockquote>
72          </blockquote>  
73                  <p><b>March 9, 2005&nbsp;:</b></p>
74          <blockquote>
75           A short article entitled
76           "NASA Supercomputer Improves Prospects for Ocean Climate Research"
77           in the current EOS (volume 86, number 9, March 1 2005)
78           gives a succinct overview of some of the advanced high-resolution
79           state-estimation work being undertaken with MITgcm by members
80           of the ECCO consortium. The article describes
81           ground-breaking computational
82           technologies that have enabled this work and outlines the future goals of
83           this next generation planetary scale assimilation initiative. A pdf containing
84           the article can be found
85           <a href="http://mitgcm.org/articles/EOSecco.pdf">
86           here.
87           </a>
88          </blockquote>
89          
90          <p><b>Sep 24, 2004&nbsp;:</b></p>
91          <blockquote>
92            MITgcm is now able to write and (to a lesser extent) read NetCDF files.
93            The framework (the "MNC" package) has been tested by numerous developers
94            on literally dozens of machines and, for the past month, has been a
95            working part of our standard verification suite.  We encourage MITgcm
96            users (especially new users) to try out the MNC package since the model
97            output is now much easier to read and understand.  For further NetCDF
98            information please see:
99            <ul>
100              <li><a href="http://mitgcm.org/cmi_redir.php/package_mnc">
101                  Manual entry for the MNC package.</a></li>
102              <li>Directions <a
103                  href="http://mitgcm.org/pipermail/mitgcm-support/2004-September/002589.html">
104                  from our email archives</a> and <a
105                  href="http://mitgcm.org/mwiki/index.php/MNC_Package">from our
106                  wiki</a> for installing NetCDF.</li>
107              <li>The <a
108                  href="http://my.unidata.ucar.edu/content/software/netcdf/index.html">
109                  main NetCDF web site</a>.</li>
110            </ul>
111           </blockquote>
112          
113          <p><b>May 20, 2004 at 05:01 EDT&nbsp;:</b></p>
114          <blockquote>
115            Congratulations to Ed and Boo on the birth this
116            morning of a 7lb 1oz, baby girl,
117            <a href="http://eddy.csail.mit.edu/gallery/Alex-Arrives">Alexandra Sophia</a>.
118          </blockquote>
119          
120          <p><b>April 13, 2004&nbsp;:</b></p>
121          <blockquote>
122            A new movie by Dimitris Menemenlis and Chris Henze shows ice dynamics
123            over the North Pole. The viscous-plastic behavior of ice sheets subject
124            to wind forcing and ocean currents can be clearly seen in the
125            translucent ice-sheet. The movie can be downloaded from <a
126            href="movies/ice_03.mpg"> here</a> (this one is 91MB!).  A set of web
127            pages with summary information regarding MITgcm simulations being
128            carried out in the ECCO high resolution global ocean state estimation
129            initiative can be found <a href="http://ecco.jpl.nasa.gov/cube_sphere">
130              here</a>.
131          </blockquote>
132    
133          <p><b>March 26, 2004 at 01:38 EST&nbsp;:</b></p>
134          <blockquote>
135            Congratulations to Alistair and Sonya on the birth this
136            morning of a 7lb 3oz, 19.5 inches long baby girl, Ariane Jade.
137          </blockquote>
138    
139          <p><b>January 22, 2004&nbsp;:</b></p>
140          <blockquote>
141            A spectacular movie by Chris Henze of NASA AMES beautifully captures an
142            eddy permitting expanded cube sphere MITgcm simulation being carried out,
143            as part of the <a href="http://www.ecco-group.org">ECCO</a> project, by
144            Dimitris Menemenlis and others at JPL with help from core MITgcm team members
145            and staff from NASA AMES. The animation
146            shows the speed of ocean currents at 15m depth from the simulation, it can be
147            downloaded <a href=news/cube_6.mpg>here</a> (its 47MB
148            but worth waiting for!). A second animation with different perspectives and
149            rotation can be downloaded <a href=news/cube_7.mpg>here</a>.
150            As described <a href=news/agu_2004/menemenlis_et_al.pdf>here</a> Dimitris Menemenlis
151            will be presenting aspects of this calculation at AGU in Portland.
152            A list of some other AGU 2004 presentation abstracts related to MITgcm can be
153            found <a href=news/agu_2004>here</a>.
154          </blockquote>
155                
156    </body>    </body>
157  </html>  </html>
158    

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