Alfred Wegener Institute
@awi.de
📤 1882
📥 160
📝 63
We research ice, ocean and climate. Website: www.awi.de Imprint:
https://www.awi.de/en/imprint.html
During the return journey of an Antarctic expedition in the Bellingshausen Sea geoscientist Johann Klages threw a message in a bottle into the water. He has now received an email from Tasmania: Toby Ray found the bottle on the west coast of Tasmania - it has travelled around two-thirds of Antarctica
7 days ago
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reposted by
Alfred Wegener Institute
Dave Roberts
9 days ago
Brilliant to see this paper
rdcu.be/eUWMI
by @NEGIS_Durham team & led by
@louisecallard.bsky.social
Work offshore with partners
@awi.de
revealing how ocean warming triggered ice shelf collapse
@geogdurham.bsky.social
@ncl-geography.bsky.social
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Ocean driven retreat of the Northeast Greenland Ice Stream following the Last Glacial Maximum
Nature Communications - Warm Atlantic Water was a major driver of both initial NEGIS retreat from 21.6 ka BP and the collapse of its ice shelf ~15.2 ka BP. This study demonstrates the key role of...
https://rdcu.be/eUWMI
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Our icebreaker Polarstern sets off today from Namibia toward Antarctica. The research expedition to the Antarctic Weddell Sea will conduct long-term studies of Antarctic biodiversity.
www.awi.de/en/about-us/...
Photo: Tim Kalvelage
11 days ago
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AWI researchers are studying whale songs with the help of AI. The result: bowhead whales appear to reproduce under the sea ice northwest of Spitsbergen, while using the open water in the eastern Fram Strait as a migration route. 🐋 Photo: Ocean Acoustics Group - AWI OZA
16 days ago
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reposted by
Alfred Wegener Institute
Dr. Melanie Bergmann
24 days ago
🎧 In the latest episode of the fabulous Plastisphere podcast, I had the pleasure and honour to chat with
@kristiansyberg.bsky.social
and
@anjakrieger.bsky.social
about the 🐘 in the room: the need to reduce
#plastic
production! 🔽
@awi.de
soundcloud.com/plastisphere...
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Tackling Plastic Production: Why and How to Do It
It's the elephant in the room: The growth of plastic production and how that contributes to pollution. In this episode, we're taking a look at why it's important to not only tackle the waste plastic c
https://soundcloud.com/plastisphere-podcast/plastic-reduction/s-waoUysFkjl9?si=1aa1b8769f564b6d87f97f9701257660&utm_source=clipboard&utm_medium=text&utm_campaign=social_sharing
0
13
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reposted by
Alfred Wegener Institute
Tessmar-Raible Labs
25 days ago
Freshly out at
@natcomms.nature.com
! Our
@univie.ac.at
@awi.de
@viennabiocenter.bsky.social
@ercgrantees.bsky.social
research into neurogenic plasticity of adult worm brains, and similarities in stem cells supporting growth of camera-type eyes.
www.nature.com/articles/s41...
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reposted by
Alfred Wegener Institute
Dr. Melanie Bergmann
25 days ago
🪸Good morning from
@awi.de
HAUSGARTEN observatory in the
#Arctic
#DeepSea
. This photo taken by our Ocean Floor Observation Bathymetry System (~2500 m) shows sponges (Caulophacus arcticus, Cladorhiza gelida) with a comatulid, anemones, soft corals (Gersemia fruticosa) & shrimp (Bythocaris) on them!
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The Beyond EPICA project begins the fifth and final drilling campaign in Antarctica. AWI researchers are part of the international research team that will drill into the bedrock beneath the Antarctic ice sheet – at an altitude of 3,200 meters above sea level and temperatures around -35°C.
30 days ago
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AWI biologist Simeon Lisovski is currently travelling to the Danger Islands in Antarctica with the Team Malizia sailing crew. There, he will study a colony of over 750,000 Adélie penguins. 🐧🇦🇶
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about 1 month ago
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Looking back on yesterday's wonderful
#PolarPrideDay
at our AWIPEV station in the Arctic on Spitsbergen. 🐻❄️🏳️🌈
#PolarPride2025
🎥Wenceslas Marie-Sainte
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about 1 month ago
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Join today’s sessions at the German Climate Pavilion at COP30 with Josie Antonucci Di Carvalho: 15:30 UTC+1 Nature Based Solutions and Beyond
german-climate-pavilion.de?pgm=35&nav=1...
20:45 UTC+1 Science Policy Interfaces for Biodiversity and Climate
german-climate-pavilion.de?pgm=35&nav=1...
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COP30 Belem | German Climate Pavilion
The German Pavilion at COP30 is hosted and supported by the German Federal Government. It includes voices from both government and civil society. Our programme is broadcasted live from Belem during CO...
https://german-climate-pavilion.de/?pgm=35&nav=14&tz=America%2FBelem
about 1 month ago
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AWI scientists around the world took part in today's global climate strike. They included those at the AWIPEV station in the Arctic, expedition participants aboard the Polarstern and employees at Neumayer Station III in Antarctica. 🐻❄️🐧🌡 📸 L.Weis, A.Herbaut, A.Seidenstuecker.
about 1 month ago
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Join today’s Permafrost Day at the ICCI Cryosphere Pavilion at COP30 with
#AWI
researchers Hugues Lantuit and Fabian Seemann. All sessions stream live on YouTube starting at 19:00 GMT/UTC+1. Watch here:
www.youtube.com/@iccinet/vid...
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International Cryosphere Climate Initiative
International Cryosphere Climate Initiative (ICCI) is a network of senior policy experts and researchers aiming to spread cryosphere science and preserve the cryosphere's key role in Earth's climate s...
https://www.youtube.com/@iccinet/videos
about 1 month ago
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Former AWI director and marine biologist Antje Boetius was awarded a place in the prestigious Order Pour le Mérite for her contributions to ocean research. Boetius led the AWI from 2017 to 2025, after which she became president of the Monterey Bay Aquarium Research Institute. 💐 📷 E. Horvath
about 1 month ago
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Our research vessel Polarstern will set sail on a new expedition at the end of the week: an international group of young scientists will immerse themselves in the fascinating world of marine research.
@pogo-ocean.bsky.social
📸 J.Lemburg
about 2 months ago
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Our research vessel Polarstern is back in Bremerhaven after a long journey. ⚓️❤️ During the expedition, researchers took measurements in the seawater north of Greenland. Initial results show that there is a current band that transports warm Atlantic water from the Arctic Ocean southward. 🌊 📸Nicolaus
2 months ago
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AWI climate researcher Markus Rex receives the NOMIS Award 2025. 🏆👏 The award recognizes his leadership of the MOSAiC expedition, in which scientists from 20 countries researched the interaction between ice, ocean, atmosphere, and ecosystem in the Arctic. Photo: NOMIS Foundation / David Biedert
2 months ago
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New
#AWI
study shows how sustainable management of
#krill
in the Southern Ocean can work. The concept for managing krill stocks involves close cooperation with fisheries.
#Antarctica
#CCAMLR
www.awi.de/en/about-us/...
Photo: Carsten Pape
2 months ago
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9
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reposted by
Alfred Wegener Institute
MARUM
2 months ago
A new review study shows the invisible transport pathways for
#iron
through
#hydrothermal
plumes. More on Iron’s Irony here ➡️
www.marum.de/en/Iron-sIro...
@icbm-uol.bsky.social
#ConstructorUniversity
@geomarkiel.bsky.social
@awi.de
@marumunibremen.bsky.social
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13
9
reposted by
Alfred Wegener Institute
Woods Hole Oceanographic Institution
2 months ago
🐧 Is
#Antarctica
trying to talk to us? As warming temperatures chip away at the continent’s ice shelves,
#WHOI
scientists are listening for signs of unstable ice using acoustic data collected by the @awi.de 🔊 Listen in with Oceanus:
go.whoi.edu/polarstethoscope
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AWI researchers have mapped 19,000 driftwood in Alaska and northwestern Canada for the first time. The data will help to better understand coastal processes, carbon storage and environmental changes such as storm surges and erosion.
www.awi.de/en/about-us/...
Photo: Carl Stadie
3 months ago
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The heart of the new Polarstern ❤️🚢 Together with our shipyard TKMS, we have reached a milestone in the construction of the new Polarstern: the new propulsion unit for the icebreaker has been finalized and the corresponding contracts have been signed.
www.awi.de/en/about-us/...
3 months ago
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Can you spot the Polarstern amid the ice floes of the Arctic? 🧊A satellite image shows, that we are just a pixel amidst ice floes (light grey) and open water (dark). Polarstern appears as a bright spot in the image because it reflects electromagnetic radiation more strongly than its surroundings.
4 months ago
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Unique concept for observing Arctic sea ice successfully implemented: AWI scientists were able to study different types of sea ice in parallel during the Polarstern expedition “CONTRASTS.” 🧊
www.awi.de/en/about-us/...
Photo: Evgenii Salganik
4 months ago
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9
3
reposted by
Alfred Wegener Institute
Tessmar-Raible Labs
4 months ago
Excited to share that senior postdoc Sören Häfker
@awi.de
just secured one of the highly competitive
@erc.europa.eu
@ercgrantees.bsky.social
#ERCStG
grants to pioneer work decoding the molecular clockwork driving rhythmicity of krill in the
#marine
#foodweb
! More on BICLOPS here:
bit.ly/4lYpBq0
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Johann Klages gave a plenary talk on Antarctic research at
#ICP15
in Bangalore, India. A once-in-a-lifetime honor for groundbreaking insights. AWI colleagues from Marine Geology and Marine Biogeochemistry also presented on their diverse projects.👏 Photos: personal
4 months ago
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Lukas Weis, who is spending the winter at Neumayer Station III in Antarctica, explains in the AtkaXpress blog how he takes the most beautiful photos of the polar night.
#AureliaBorealis
blogs.helmholtz.de/atkaxpress/e...
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4 months ago
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reposted by
Alfred Wegener Institute
Remote Sensing of Polar Regions, University of Bremen
4 months ago
Hi! I’m ARIEL, an L-band microwave radiometer 📡, and this is my little buddy Sebastian (the pulka 🛷). Together, we traveled across 3 Arctic ice stations ❄️ to uncover the invisible (aka microwave) secrets of ever-changing summer sea ice and its thickness on the
@awi.de
CONTRASTS
#expedition
🧊.
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5
reposted by
Alfred Wegener Institute
Remote Sensing of Polar Regions, University of Bremen
4 months ago
Can the color of melt ponds reveal the sea-ice thickness below? 🧊 And can we measure this from
#space
? 🛰️ On the
@awi.de
CONTRASTS
#expedition
, we’re testing this with a 200+ band hyperspectral camera and co-located ice thickness measurements for a large variety of
#Arctic
ponds.
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Our icebreaker Polarstern is currently in the Arctic, where it has met up with our polar aircraft Polar 6 for the second time. The joint measurements enable researchers to place their data in an even broader context.🧊 More information in the Polarstern app:
follow-polarstern.awi.de/blog/21-08-2...
4 months ago
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5
reposted by
Alfred Wegener Institute
Guido Grosse
4 months ago
A very successful Perma-X campaign is ending now and both the Polar-5 and the team left Inuvik. We are looking forward to analyze a mountain of >30 TB of new data collected to better understand how fast
#permafrost
thaws and subsides, coasts erode, and lakes and vegetation change.
@awi.de
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reposted by
Alfred Wegener Institute
Dr. Melanie Bergmann
5 months ago
@scientistscoa.bsky.social
invites you to a press conference: ⏰ Tuesday 12/08/25, 15.30 CEST 📍 INC Press Room XXVII, Building E & online Seating will be prioritized for media & delegations. Media can register to join virtually & submit questions:
lnkd.in/eW2Mnanz
💻 Live broadcast:
lnkd.in/ed99he3j
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reposted by
Alfred Wegener Institute
Dr. Melanie Bergmann
5 months ago
🎢 So glad, to be in this
#INC5.2
roller coaster journey together again: Annika Jahnke,
@ufz.de
and I,
@awi.de
(
@helmholtz.de
) accompanying the German delegation and
@scientistscoa.bsky.social
. Have we reached a breaking point in the negotiations for a global
#PlasticsTreaty
?! 🌎 ⚕️ 🌡️ 🐙
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reposted by
Alfred Wegener Institute
Dr. Melanie Bergmann
5 months ago
Grateful to civil society who puts itself out in a powerful silent action as delegates enter the stock-taking plenary highlighting the urgent need for an ambitious
#PlasticsTreaty
for human & planetary health & climate including provisions on
#plastic
chemicals and production levels.
@awi.de
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AWI Vice Director Dr. Uwe Nixdorf, has been awarded with the "Council of Managers of National Antarctic Programs" (COMNAP) Medal. 🏆🎉 This international honor recognizes outstanding contributions to the promotion and support of
#Antarctic
research. Congratulations!
5 months ago
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6
1
reposted by
Alfred Wegener Institute
Dr. Melanie Bergmann
5 months ago
The second part of the 5th round of negotiations for a global
#PlasticsTreaty
(#INC5.2) has started! All hands on deck, let’s do this! May ambition rule: for human and planetary health and our climate ! 💪🌏🐟
#plastic
@awi.de
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🧊✈️ On Sunday, Polar 6 launched this year's IceBird summer campaign by flying from Longyearbyen to Station Nord, a Danish military base in Greenland. The mission is to track changes to the sea ice and to support the CONTRASTS expedition aboard the Polarstern research vessel.
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5 months ago
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19
4
reposted by
Alfred Wegener Institute
Oceans & Sea Ice NPI
5 months ago
Our team member Dmitry is onboard
@awi.de
Polarstern on the
#CONTRASTS
expedition in the
#Arctic
Ocean. Part of the work is to deploy a number of autonomous systems to track the movement of the
#seaice
and how it is melting. Data will be made accessible on the
@meereisportal.bsky.social
data portal
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The new Emmy Noether Group, 'Artemics', at the AWI is investigating how waves stir up the Arctic Ocean. Using advanced climate models, the team aims to investigate how waves that form inside the ocean affect the Arctic sea ice.
www.awi.de/en/about-us/...
Photo: S. Hendricks
5 months ago
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What is life like in the darkness of the polar night? The overwintering team at
#Neumayer
Station III in
#Antarctica
share their experiences on the
#AtkaXpress
blog.
blogs.helmholtz.de/atkaxpress/e...
Photo: Lukas Weis
6 months ago
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AWI scientists examine 1.2 million-year-old ice: An international research team is currently analyzing the oldest ice core in the world. In January, the research team brought the ice core back from Antarctica. 🧊 Photo: Kerstin Rolfes
6 months ago
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10
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reposted by
Alfred Wegener Institute
Lars Kaleschke
6 months ago
Live view from RV Polarstern 🌊
video.panomax.com/cams/10085/v...
data.meereisportal.de/relaunch/con...
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Live data from the RV Polarstern | Data | Meereisportal
The data and image archive of meereisportal.de provides sea ice data of the Arctic and Antarctic. In addition to graphic representations of the underlying verified data and derived data products it is...
https://data.meereisportal.de/relaunch/contrasts_polarstern.php?lang=en
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2
reposted by
Alfred Wegener Institute
Matthias Wietz
6 months ago
Happy to contribute
#eDNA
sequences from our
#Arctic
FRAM Observatory to GRUMP, a microbial database covering the world ocean 🌊 many thanks
@jedfuhrman.bsky.social
&
@jcmcnch.bsky.social
for the invitation to join!
@awi.de
@mpimarinemicrobio.bsky.social
@chrbienhold.bsky.social
add a skeleton here at some point
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Today, the Polarstern sets off for the Arctic: From Tromsø in Norway, our research icebreaker sets off on the "Contrasts" expedition. Over the next two months, the international research team on board wants to investigate why the sea ice is melting and what consequences this has.🧊 Photo: F.Mehrtens
6 months ago
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21
6
reposted by
Alfred Wegener Institute
Jan Wehner
6 months ago
Excited to see first video projects with
@awi.de
published! Here you can see simulated past extreme weather events in different climate scenarios to better understand the impact of climate change. More soon!
@ecmwf.int
@climatenews.bsky.social
@insideclimatenews.org
add a skeleton here at some point
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The overwintering at the Franco-German research station
#AWIPEV
in Ny-Ålesund, Svalbard, also celebrated midsummer last weekend! 🥳 Photo: Esther Horvath
6 months ago
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2
reposted by
Alfred Wegener Institute
Dr. Melanie Bergmann
6 months ago
New paper incl. data from our
@awi.de
#HAUSGARTEN
observatory indicate 'Decadal change in deep-ocean dissolved 🧪oxygen in the North
#Atlantic
Ocean and North
#Pacific
Ocean'. Levels deceased in the
#Arctic
, too, but this was't (yet) statistically significant.
www.sciencedirect.com/science/arti...
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Decadal change in deep-ocean dissolved oxygen in the North Atlantic Ocean and North Pacific Ocean
Declining dissolved oxygen concentrations are documented at upper and mid ocean depths, but less is known about the deep ocean. Long time-series measu…
https://www.sciencedirect.com/science/article/pii/S0967063725000925?via%3Dihub
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reposted by
Alfred Wegener Institute
HIFMB
6 months ago
The call for our 2026 Postdoc Cohort is now open. We offer 4 full-time positions. Apply until August 24th.
hifmb.de/jobs
Please spread the word.
#postdoc
#jobsinscience
#marinebiodiversity
#antarctica
@awi.de
@hillebr1.bsky.social
@ibaums.bsky.social
@thilogross.bsky.social
@merenbey.bsky.social
🦑
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reposted by
Alfred Wegener Institute
Helmholtz-Gemeinschaft
6 months ago
No sun. No soil. Still: over a ton of veggies in Antarctica.
@dlr-en.bsky.social
&
@awi.de
show how food production could work in extreme environments. 🔗 Find out how:
t1p.de/l9799
#Helmholtz30
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Krill fishing in the Antarctic: overlaps with consequences 🐋🌊 New AWI study shows: Acoustic data reveal when and where fishing vessels compete with whales and penguins for krill in the Southern Ocean – and what this entails for the ecosystem
www.awi.de/en/about-us/...
Photos: S. Menze
6 months ago
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