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MPI für Meteorologie❄️Between the last glacial maximum & today, humans were exposed to severely rising sea levels 🌊 & recurrent phases of strong abrupt cooling events.🥶 <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a> researchers have uncovered the origin of these strong temperature fluctuations over the past 20,000 years using a novel coupled climate-ice sheet model. They found that <a href="https://wisskomm.social/tags/iceberg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#iceberg</a> armadas 🧊🧊🧊 & changed river courses were responsible for <a href="https://wisskomm.social/tags/AMOC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AMOC</a> weakening & abrupt cooling. <a href="https://mpimet.mpg.de/en/communication/detail-view-news-homepage/new-climate-model-reveals-the-triggers-of-abrupt-climatic-changes-in-the-past-20000-years" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://mpimet.mpg.de/en/communication/detail-view-news-homepage/new-climate-model-reveals-the-triggers-of-abrupt-climatic-changes-in-the-past-20000-years</a> CC BY 3.0 Ziemen et al. 2025 <a href="https://doi.org/10.5446/69659" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://doi.org/10.5446/69659</a>

MPI für Meteorologie🎙️ "Ich bin fassungslos, wie die Negierung von Wissen, die <a href="https://wisskomm.social/tags/Wissenschaftsfeindlichkeit" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Wissenschaftsfeindlichkeit</a> und Zensur zugenommen haben", sagt <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a>-Direktor Jochem Marotzke im Interview mit der <a href="https://wisskomm.social/@maxplanckgesellschaft" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@maxplanckgesellschaft</a>. 🇺🇸 Er hat selbst in den USA geforscht & teilt seine Einschätzung, was die Maßnahmen der <a href="https://wisskomm.social/tags/Trump" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Trump</a>-Regierung für seine US-Kolleg*innen, die nationale & internationale <a href="https://wisskomm.social/tags/Klimaforschung" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Klimaforschung</a>, die Arbeit des Weltklimarates <a href="https://wisskomm.social/tags/IPCC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#IPCC</a> & den <a href="https://wisskomm.social/tags/Klimaschutz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Klimaschutz</a> bedeuten. ➡️ <a href="https://www.mpg.de/24345005/klimaforschung-usa-trump-regierung?c=155331" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.mpg.de/24345005/klimaforschung-usa-trump-regierung?c=155331</a> Credit: David Ausserhofer/MPG

MPI für Meteorologie☁️ Airborne <a href="https://wisskomm.social/tags/microplastics" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#microplastics</a>: Where do they come from, where do they go?🤔 These are important questions, as airborne microplastics are a potential health threat. 😷 Using a global chemical transport model, <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a> researchers Shanye Yang, Guy Brasseur et al. provide evidence that, contrary to previous claims, the ocean 🌊 is not a major source of microplastics to the atmosphere, but a significant sink! Image: CC BY 4.0 Yang et al. 2025 ➡️ <a href="https://www.nature.com/articles/s41612-025-00914-3" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.nature.com/articles/s41612-025-00914-3</a> News article: <a href="https://mpimet.mpg.de/en/communication/detail-view-news-homepage/airborne-microplastics-where-do-they-come-from-where-do-they-go" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://mpimet.mpg.de/en/communication/detail-view-news-homepage/airborne-microplastics-where-do-they-come-from-where-do-they-go</a>

MPI für Meteorologie👏 Exciting news for climate science: <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a> is among the first users of what will soon be the fastest computer in all of Europe – JUPITER (<a href="https://mastodon.social/@fzj" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@fzj</a>)! A corresponding proposal submitted by MPI-M, <a href="https://wisskomm.social/tags/DKRZ" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DKRZ</a> and <a href="https://wisskomm.social/tags/JSC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#JSC</a> has now been approved. This allows our scientists to push the resolution of a fully coupled Earth system model to just one kilometer! 🌎 🌐 Can you imagine this level of detail? Read more: <a href="https://mpimet.mpg.de/en/communication/detail-view-news-homepage/mpi-m-is-one-of-the-first-users-of-europes-fastest-supercomputer-jupiter" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://mpimet.mpg.de/en/communication/detail-view-news-homepage/mpi-m-is-one-of-the-first-users-of-europes-fastest-supercomputer-jupiter</a> <a href="https://wisskomm.social/tags/HPC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#HPC</a> <a href="https://wisskomm.social/tags/supercomputing" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#supercomputing</a> <a href="https://wisskomm.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AI</a> <a href="https://wisskomm.social/tags/climatescience" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climatescience</a> Image credit: Forschungszentrum Jülich

MPI für MeteorologieYesterday, our <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a> director Bjorn Stevens gave an engaging keynote at the 7th International Rain Enhancement Forum in Abu Dhabi. This year’s discussions focus on the intersection of artificial intelligence <a href="https://wisskomm.social/tags/AI" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AI</a> 🧠, physics-based models, and data science in <a href="https://wisskomm.social/tags/climate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climate</a> & <a href="https://wisskomm.social/tags/weather" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#weather</a> research.🌍 The Earth Virtualization Initiative (EVE) considers the needs of communities, of users, & of different level managers for improved and innovative climate services. Watch Bjorn’s talk: <a href="https://www.youtube.com/watch?v=ak5kV3CHSzw&t=19172s" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://www.youtube.com/watch?v=ak5kV3CHSzw&t=19172s</a>

MPI für Meteorologie🔎 Researchers from Hamburg have explored how <a href="https://wisskomm.social/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ocean</a> processes during the last ice age affected ocean <a href="https://wisskomm.social/tags/carbon" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#carbon</a> storage. 🌊❄️ Using an Earth System Model, B. Liu, J. Maerz,& <a href="https://mas.to/@TatianaIlyina" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@TatianaIlyina</a> found that simulating a shallower & weaker glacial <a href="https://wisskomm.social/tags/AMOC" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#AMOC</a> than today is crucial to reproducing proxy data from marine sediments. Another factor they identified is marine snow, a shower of biological debris from the upper ocean to the depth, and its sinking speeds. 🌍 👉 <a href="https://bit.ly/40obCkN" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://bit.ly/40obCkN</a> <a href="https://mastodon.social/@cenunihh" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@cenunihh</a> <a href="https://wisskomm.social/tags/UHH" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHH</a> <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a>

MPI für MeteorologieIn recognition of his commitment to international scientific collaboration, the AGU honored <a href="https://wisskomm.social/tags/MPI_scientist" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPI_scientist</a> Guy Brasseur with the Kaufman Outstanding Research and Unselfish Cooperation <a href="https://wisskomm.social/tags/Award" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Award</a>. The former <a href="https://wisskomm.social/tags/MPI_Director" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPI_Director</a>, currently leader of the <a href="https://wisskomm.social/tags/Environmental" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Environmental</a> modeling research group at <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a>, received the prize yesterday at the 2024 AGU meeting, the largest gathering of <a href="https://wisskomm.social/tags/Earth" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Earth</a> 🌍 and space 🚀 scientists, which is currently taking place in Washington, D.C. 🇺🇸 Congratulations! 💐 👏 Credit: private

MPI für Meteorologie🏅<a href="https://mas.to/@TatianaIlyina" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@TatianaIlyina</a>, <a href="https://wisskomm.social/tags/UHH" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#UHH</a>-professor in the Cluster of Excellence <a href="https://wisskomm.social/tags/CLICCS" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#CLICCS</a> and group leader at <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a>, has been awarded the prestigious Fridtjof Nansen Medal—one of the most important <a href="https://wisskomm.social/tags/honors" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#honors</a> in <a href="https://wisskomm.social/tags/oceanography" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#oceanography</a>! 👏 Her groundbreaking work has advanced our understanding of the <a href="https://wisskomm.social/tags/ocean" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ocean</a> carbon cycle 🌊 and its pivotal role in the <a href="https://wisskomm.social/tags/climate" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#climate</a> system. 🌍 She will receive the award at the EGU General Assembly in April 2025. Read more: <a href="https://mpimet.mpg.de/en/communication/detail-view-news-homepage?tx_news_pi1%5Baction%5D=detail&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Bnews%5D=1167&cHash=45b8f137b3dc6106f56c59d1f2ab33f7" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://mpimet.mpg.de/en/communication/detail-view-news-homepage?tx_news_pi1%5Baction%5D=detail&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Bnews%5D=1167&cHash=45b8f137b3dc6106f56c59d1f2ab33f7</a> <a href="https://wisskomm.social/tags/WomenInSTEM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#WomenInSTEM</a> Photo credit: UHH

MPI für Meteorologie🌡️ How should we deal with the 1.5°C limit? The German Climate Consortium <a href="https://wisskomm.social/tags/DKK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#DKK</a>, of which the <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a> is a member, has published a position paper 📗 with recommendations. According to the paper, which was co-authored by our director Jochem Marotzke, the goal of keeping <a href="https://wisskomm.social/tags/globalwarming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#globalwarming</a> below 1.5°C is no longer achievable, but it must not be abandoned either. The publication is in German, but the translation of the key messages can be found on our website: ➡️ <a href="https://mpimet.mpg.de/en/communication/detail-view-news-homepage?tx_news_pi1%5Baction%5D=detail&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Bnews%5D=1162&cHash=1bd3522ab3d8b5530bd0520f646c72dc" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://mpimet.mpg.de/en/communication/detail-view-news-homepage?tx_news_pi1%5Baction%5D=detail&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Bnews%5D=1162&cHash=1bd3522ab3d8b5530bd0520f646c72dc</a> <a href="https://wisskomm.social/tags/COP29" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#COP29</a> <a href="https://wisskomm.social/tags/COP29Baku" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#COP29Baku</a>

MPI für MeteorologieToday, the Extremwetterkongress (extreme weather congress) has started in Hamburg. Our former director Martin Claußen will be giving a keynote on tipping points in the climate system this Friday (in German). Released in the context of <a href="https://wisskomm.social/tags/EWK" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EWK</a>, a statement from the German Meteorological Society (DMG) by Martin Claußen, <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a> Director Jochem Marotzke and other researchers explains what the concept of tipping points is all about.

MPI für Meteorologie⬇️ English in the comments ⬇️ Heute ist in <a href="https://wisskomm.social/tags/Hamburg" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Hamburg</a> der Extremwetterkongress <a href="https://wisskomm.social/tags/ewk2024" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#ewk2024</a> gestartet. Unser ehemaliger Direktor Martin Claußen hält dort am Freitag einen Vortrag über <a href="https://wisskomm.social/tags/Kipppunkte" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#Kipppunkte</a> im Klimasystem. Was es damit auf sich hat, erläutert auch eine im Rahmen des <a href="https://wisskomm.social/tags/EWK24" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#EWK24</a> erschienene Stellungnahme der Deutschen Meteorologischen Gesellschaft von Martin Claußen, <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a>-Direktor Jochem Marotzke und weiteren Forschenden. ➡️ <a href="http://extremwetterkongress.org/wp-content/uploads/2024/09/DMG_Stellungnahmen_zu_Kipppunkte_09_2024.pdf" rel="nofollow noopener noreferrer" translate="no" target="_blank">http://extremwetterkongress.org/wp-content/uploads/2024/09/DMG_Stellungnahmen_zu_Kipppunkte_09_2024.pdf</a> Livestream des Events ➡️ extremwetterkongress.org

MPI für MeteorologieThe time has come: the international field campaign ORCESTRA starts today! 🛩️⛴️🔭🌧️In collaboration with our amazing international partners, the <a href="https://wisskomm.social/tags/MPIM" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MPIM</a> leads the sub-campaigns BOWTIE ⛴️ and PERCUSION 🛩️.Until the end of September, we will be intensively surveying the atmosphere and the ocean in the east and west of the Atlantic such as along the equator.Here's to capturing fascinating phenomena right in the focus of our instruments!Check out our Webpage: <a href="https://orcestra-campaign.org/intro.html" rel="nofollow noopener noreferrer" translate="no" target="_blank">https://orcestra-campaign.org/intro.html</a>

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