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Dear all, </div>
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<div dir="ltr"><span style="font-family: Aptos, Aptos_MSFontService, -apple-system, Roboto, Arial, Helvetica, sans-serif; font-size: 12pt;">This is a reminder of today's EOAS colloquium at 3 pm in 1044 given by Dr. Daniel Klocke from the Max Planck Institute
for Meteorology in Germany. He will </span><span style="font-family: Aptos, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">present the first global simulation of the full Earth system at 1.25 km grid spacing, which
should be of interest to all in EOAS - so I very much hope to see you all there! </span></div>
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<div dir="ltr"><span style="font-family: Aptos, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Cheers, </span></div>
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<div dir="ltr"><span style="font-family: Aptos, sans-serif; font-size: 16px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Allison</span></div>
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<div id="divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif;"><b>From:</b> Eoas-seminar <eoas-seminar-bounces@lists.fsu.edu> on behalf of eoas-seminar--- via Eoas-seminar <eoas-seminar@lists.fsu.edu><br>
<b>Sent:</b> Monday, November 3, 2025 7:45 AM<br>
<b>To:</b> Eoas-seminar <eoas-seminar@lists.fsu.edu><br>
<b>Subject:</b> [Eoas-seminar] EOAS Colloquium Friday Nov 7, 3 PM: Dr. Daniel Klocke (MPI-M)</span>
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<span style="background-color: rgb(255, 255, 255);">Dear all, </span></div>
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<span style="font-family: Aptos, sans-serif; color: black;">Please join us for our next EOAS colloquium on</span><span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;"><b> Friday November 7 at 3 PM,
</b></span><span style="font-family: Aptos, sans-serif; color: black;">which will be given by<a href="https://nam04.safelinks.protection.outlook.com/?url=https%3A%2F%2Fmpimet.mpg.de%2Fen%2Finstitute%2Fstructure-of-the-institute%2Fscientific-computing&data=05%7C02%7Ceoas-seminar%40lists.fsu.edu%7C6f8bdccf857b42cad56a08de1dfe3097%7Ca36450ebdb0642a78d1b026719f701e3%7C0%7C0%7C638981174745631584%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=IhRNcd5%2BeYn0bjiYvZEFUKVcJbwlH1wsilcOstmiQCg%3D&reserved=0" originalsrc="https://mpimet.mpg.de/en/institute/structure-of-the-institute/scientific-computing" originalsrc="https://mpimet.mpg.de/en/institute/structure-of-the-institute/scientific-computing" data-outlook-id="1d728214-29b0-450b-8926-bc3b30449dac" style="margin-top: 0px; margin-bottom: 0px;"> Dr.
Daniel Klocke</a> who is the leader of the Computational Infrastructure and Model Development group at the Max Planck Institute for Meteorology in Hamburg, Germany. Dr. Klocke will speak about "<i>Computing the Full Earth System at 1 km Resolution</i></span><span style="font-family: Aptos, sans-serif;"><i>”</i></span><span style="font-family: Aptos, sans-serif; color: black;"><i> </i>(</span><span style="font-family: Aptos, sans-serif;">abstract</span><span style="font-family: Aptos, sans-serif; color: black;"> below). </span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;"> </span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">Dr. Klocke will present in person in EOA 1044 but a Zoom link is available for
</span><span style="font-family: Aptos, sans-serif; font-size: 16px; color: rgb(0, 0, 0);">those
</span><span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">with approved work off-campus or a medical excuse. Please contact Allison Wing (awing@fsu.edu) for the Zoom link. If you would like to meet with Dr. Klocke, please also contact
Allison Wing.</span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;"> </span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">DATE: Friday November 7</span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">TIME: 3-4 PM</span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">LOCATION: EOA 1044 (speaker in person)</span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">SPEAKER: Dr. Daniel Klocke</span></p>
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<span style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">TITLE:
<i>Computing the Full Earth System at 1 km Resolution</i></span></p>
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<div style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">ABSTRACT: We present the first global simulation of the full Earth system at 1.25 km grid spacing, achieving highest time compression with an unseen number of degrees of freedom. </div>
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<div style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">Our model ICON captures the flow of energy, water, and carbon through key components of the Earth system: atmosphere, ocean, and land. </div>
<div style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">To achieve this landmark simulation, we harness the power of 8192 GPUs on Alps and 4096 GPUs on JUPITER, two of the world’s largest GH200 superchip installations. We use both the Grace
CPUs and Hopper GPUs by carefully balancing Earth’s components in a heterogeneous setup and optimizing acceleration techniques available in ICON’s codebase. </div>
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<div style="font-family: Aptos, sans-serif; font-size: 16px; color: black;">We show how separation of concerns between scientists and software engineers can reduce the code complexity by half while increasing performance and portability. Our achieved time compression
of 92 simulated days per day enables long studies including full interactions in the Earth system and outperforms earlier atmosphere-only simulations at a similar resolution. Until now it has not been possible to represent the interaction between the fine
and fast scales that mediate the interactions between water and energy – for instance the daytime heating over land that causes afternoon thunderstorms – with the large and slow scales of the carbon reservoirs they influence. These reservoirs collectively
define the land biosphere, which then go on to influence how the fast and fine scales develop in the future. The performance demonstrated allows to simulate two scenarios of future warming, each with three ensemble members on the currently largest machines.
This has enormous and enduring potential to provide full global Earth system information on local scales about the implications of future warming for both people and eco-systems, information that otherwise would not exist.</div>
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<p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">---------------------------------------------------</p>
<p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">Allison A. Wing, Ph.D.</p>
<p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">Werner A. and Shirley B. Baum Associate Professor</p>
<p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">Department of Earth, Ocean and Atmospheric Science</p>
<p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">Florida State University</p>
<p style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;"><span style="color: rgb(70, 120, 134);"><u><a href="mailto:awing@fsu.edu" data-outlook-id="0038fdcb-6036-4104-96d5-7da49584331e" style="margin-top: 0px; margin-bottom: 0px;">awing@fsu.edu</a></u></span></p>
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