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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" />
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10 <!-- Hinting for menu generation -->
11 <meta name="add_name_0" content="News" />
12 <meta name="add_name_1" content="Past News" />
13 <meta name="add_name_2" content="" />
14 <meta name="add_title" content="Past News" />
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18 span.c2 {font-size: 110%}
19 div.c1 {text-align: center}
20 </style>
21 </head>
22
23 <body>
24
25 <div class="c1"><br /><span class="c3"><b>Past News</b></span></div>
26
27 <p><b>January 15, 2008&nbsp;:</b></p>
28 <blockquote>
29 Breaking News: Hidden up-to-date Documentation escaped from hide-out:
30 <br>
31 <A href="http://mitgcm.org/public/r2_manual/latest/">Latest Online Documentation</A>
32 <br>
33 <img src="docfest2008.jpeg" alt="DocFestJan2008" border="0" width="86" height="86" />
34 </blockquote>
35
36 <p><b>March 19, 2007&nbsp;:</b></p>
37 <blockquote>
38 Breaking News: The MITgcm is now able to generate Sea-Ice Donuts.
39 In a push to move forward MITgcm on the path of fundamental science and climate
40 understanding, David Ferreira and Jean-Michel Campin
41 simulated a Sea-ice Donut using a coupled AquaPlanet configuration (see
42 movie <A href="/movies/Sea_Ice_Donut_x1.mpg">here</A>).
43 This experiment was initialized with the T and S fields from
44 a previous Aquaplanet run which has polar sea-ice caps. These
45 caps are associated with salt-compensated temperature inversions in the upper
46 ocean. The new run is initialized without sea-ice and within a month, large
47 sea-ice caps grow over the poles, rejecting salt. This triggers convection which
48 in turns brings relatively warm water to the surface and melts the ice close
49 to the poles. Here we have a <A href="/movies/Sea_Ice_Donut_x1.mpg">donut</A>.
50 Look out for that chapter on aqua-planets in the next IPCC report!
51 </blockquote>
52
53 <p><b>Feb 04, 2007&nbsp;:</b></p>
54 <blockquote>
55 News is back by popular request. New advection schemes are currently
56 being tested. Some preliminary results from the new schemes can be seen
57 <A href="/projects/advection_test_jan07/advection_testing.html">
58 here.
59 </A>
60 The plots show a tracer being transported and stretched in the
61 MITgcm advect_xz verification test. Both new schemes (OS7MP
62 and Prather second-order scheme with limiting) have very low implied
63 diffusivity.
64 We are currently evaluating the
65 schemes to assess their implied diffusivity, with a bottle of
66 Jean-Michel's favorite Belgian
67 beer going to the the least diffusive scheme - watch this space!
68 </blockquote>
69
70 <p><b>March 9, 2005&nbsp;:</b></p>
71 <blockquote>
72 A short article entitled
73 "NASA Supercomputer Improves Prospects for Ocean Climate Research"
74 in the current EOS (volume 86, number 9, March 1 2005)
75 gives a succinct overview of some of the advanced high-resolution
76 state-estimation work being undertaken with MITgcm by members
77 of the ECCO consortium. The article describes
78 ground-breaking computational
79 technologies that have enabled this work and outlines the future goals of
80 this next generation planetary scale assimilation initiative. A pdf containing
81 the article can be found
82 <a href="/pdfs/EOSecco.pdf">
83 here.
84 </a>
85 </blockquote>
86
87 <p><b>Sep 24, 2004&nbsp;:</b></p>
88 <blockquote>
89 MITgcm is now able to write and (to a lesser extent) read NetCDF files.
90 The framework (the "MNC" package) has been tested by numerous developers
91 on literally dozens of machines and, for the past month, has been a
92 working part of our standard verification suite. We encourage MITgcm
93 users (especially new users) to try out the MNC package since the model
94 output is now much easier to read and understand. For further NetCDF
95 information please see:
96 <ul>
97 <li><a href="http://mitgcm.org/cmi_redir.php/package_mnc">
98 Manual entry for the MNC package.</a></li>
99 <li>Directions <a
100 href="http://mitgcm.org/pipermail/mitgcm-support/2004-September/002589.html">
101 from our email archives</a> and <a
102 href="http://mitgcm.org/mwiki/index.php/MNC_Package">from our
103 wiki</a> for installing NetCDF.</li>
104 <li>The <a
105 href="http://www.unidata.ucar.edu/content/software/netcdf/">
106 main NetCDF web site</a>.</li>
107 </ul>
108 </blockquote>
109
110 <p><b>May 20, 2004 at 05:01 EDT&nbsp;:</b></p>
111 <blockquote>
112 Congratulations to Ed and Boo on the birth this
113 morning of a 7lb 1oz, baby girl,
114 <a href="http://eddy.csail.mit.edu/gallery/Alex-Arrives">Alexandra Sophia</a>.
115 </blockquote>
116
117 <p><b>April 13, 2004&nbsp;:</b></p>
118 <blockquote>
119 A new movie by Dimitris Menemenlis and Chris Henze shows ice dynamics
120 over the North Pole. The viscous-plastic behavior of ice sheets subject
121 to wind forcing and ocean currents can be clearly seen in the
122 translucent ice-sheet. The movie can be downloaded from <a
123 href="/movies/ice_03.mpg"> here</a> (this one is 91MB!). A set of web
124 pages with summary information regarding MITgcm simulations being
125 carried out in the ECCO high resolution global ocean state estimation
126 initiative can be found <a href="http://ecco2.org/">
127 here</a>.
128 </blockquote>
129
130 <p><b>March 26, 2004 at 01:38 EST&nbsp;:</b></p>
131 <blockquote>
132 Congratulations to Alistair and Sonya on the birth this
133 morning of a 7lb 3oz, 19.5 inches long baby girl, Ariane Jade.
134 </blockquote>
135
136 <p><b>January 22, 2004&nbsp;:</b></p>
137 <blockquote>
138 A spectacular movie by Chris Henze of NASA AMES beautifully captures an
139 eddy permitting expanded cube sphere MITgcm simulation being carried out,
140 as part of the <a href="http://www.ecco-group.org">ECCO</a> project, by
141 Dimitris Menemenlis and others at JPL with help from core MITgcm team members
142 and staff from NASA AMES. The animation
143 shows the speed of ocean currents at 15m depth from the simulation, it can be
144 downloaded <a href="/movies/cube_6.mpg">here</a> (its 47MB
145 but worth waiting for!). A second animation with different perspectives and
146 rotation can be downloaded <a href="/movies/cube_7.mpg">here</a>.
147 As described <a href="/pdfs/agu_2004/menemenlis_et_al.pdf">here</a> Dimitris
148 Menemenlis will be presenting aspects of this calculation at AGU in Portland.
149 A list of some other AGU 2004 presentation abstracts related to MITgcm can be
150 found <a href="/pdfs/agu_2004/">here</a>.
151 </blockquote>
152
153 <p><b>December 9th 2003&nbsp;:</b></p>
154 <blockquote>
155 The <a href="http://mitgcm.org/public/testing.html"> new continuous testing
156 page at </a> provides information on the status of the latest
157 development code. The page shows summary pass-fail ratios for the
158 MITgcm regression tests on various platforms. Details on the
159 platforms being tested and detailed information on the status of
160 individual regression tests can be viewed from links on the test page.
161 </blockquote>
162
163 <p><b>October 27th 2003&nbsp;:</b></p>
164 <blockquote>
165 <b><a href="http://paoc.mit.edu/cmi/">MIT Climate Modeling Initiative
166 (CMI)</a></b> web pages introduce the MITgcm model, its
167 applications, and the development team.
168 </blockquote>
169
170 <p><b>October 21st 2003&nbsp;:</b></p>
171 <blockquote>
172 MITgcm and ECCO-JPL team <b><a
173 href="http://www.sgi.com/newsroom/press_releases/2003/october/linux.html">
174 feature as showcase application</a></b> in NASA-SGI large shared
175 memory system program.
176 </blockquote>
177
178 </body>
179 </html>

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