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2 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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4 <html xmlns="http://www.w3.org/1999/xhtml">
5 <head>
6 <meta name="generator" content="HTML Tidy, see www.w3.org" />
7 <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />
8 <base href="http:/mitgcm.org" />
9
10 <!-- Hinting for menu generation -->
11 <meta name="add_name_0" content="News" />
12 <meta name="add_name_1" content="" />
13 <meta name="add_name_2" content="" />
14 <meta name="add_title" content="News" />
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17 <style type="text/css">
18 span.c2 {font-size: 110%}
19 div.c1 {text-align: center}
20 </style>
21 </head>
22
23 <body>
24
25 <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 designed for study of the
27 atmosphere, ocean, and climate. Its non-hydrostatic formulation
28 enables it to simulate fluid phenomena over a wide range of
29 scales; its adjoint capability enables it to be applied to
30 parameter and state estimation problems. By employing fluid
31 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 download</a> and use MITgcm.</p>
36
37 <p>Papers charting the development of MITgcm <a
38 href="http://paoc.mit.edu/cmi/publications.htm">can be found here.
39 </a></p>
40
41 <hr align="center" size="1" width="75%" />
42
43 <div class="c1"><br /><span class="c3"><b>News</b></span></div>
44
45 <!--
46 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 and your text:
49
50 <p><b>===DATE===&nbsp;:</b></p>
51 <blockquote>
52 ===MESSAGE===
53 </blockquote>
54 -->
55
56 <p><b>Feb 04, 2007&nbsp;:</b></p>
57 <blockquote>
58 News is back by popular request. New advection schemes are currently
59 being tested. Some preliminary results from the new schemes can be seen
60 <A href=news/advection_testing_jan07/advection_testing.html>
61 here.
62 </A>
63 The plots show a tracer being transported and stretched in the
64 MITgcm advect_xz verification test. Both new schemes (OS7MP
65 and Prather second-order scheme with limiting) have very low implied
66 diffusivity.
67 We are currently evaluating the
68 schemes to assess their implied diffusivity, with a bottle of
69 Jean-Michel's favorite Belgian
70 beer going to the the least diffusive scheme - watch this space!
71 </blockquote>
72
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>
157 </html>
158

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