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Posts by Polar Prem 🦭(Prem Gill)

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Have you watched LIFE UNEARTHED yet!? Binge the first 2 episodes on the PBS app, Apple TV or Amazon in the U.S. and Canada.

Outside the U.S. or Canada? Catch the first episode of LIFE UNEARTHED right here: youtu.be/XFXHwz8PgcY?...

Come for the tardigrades, stay for the epic views. 🧪🦠

1 week ago 39 14 2 1
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Visited the National Physical Laboratory to present the results of my thesis & new work on using radar to detect Antarctic seals with the German Aerospace Centre (@dlr-de.bsky.social).

Ended up winning the award for best presentation. Thanks to RSPsoc for hosting! #phd #academia #antarctica

1 week ago 4 0 2 0
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Passed my viva and (pending minor corrections) am a “Dr of Seals”!

Thanks to my supervisors @ptfretwell.bsky.social and Gareth Rees for guiding me to this stage.

#academia #phd #cambridge @bas.ac.uk @scottpolar.bsky.social @ukri.org @wwf.org.uk

2 weeks ago 14 1 1 0
Towards ecologically meaningful foundation models

What would a 'Foundation Model' for ecology look like?

In our new preprint, we explore this emerging idea & outline a roadmap for foundation models in Ecology (ecoFMs)👇

Really great working with @rachelparkinson.bsky.social @hcerbone.bsky.social @polarprem.bsky.social et al
doi.org/10.32942/X2V...

1 month ago 3 3 1 0
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Bluesky, we need your help to count walrus! 🦭

Previously on "Walrus from Space", volunteers like you sifted through around 500,000 satellite images to support our conservation research.

Now we're asking the you to help us count the walrus in those images 👀

➡️ geohive.vantor.com/walrus/login

1 month ago 178 130 2 15
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Discover how wildfire monitoring data from #CopernicusAtmosphere and ERA5 climate data from #CopernicusClimate underpin key findings in the Arctic Climate Change Update 2024 published by AMAP. The assessment shows the region has warmed about three times faster than the global average since 1979.
⬇️

1 month ago 13 4 2 0
Heat map-style graphic showing monthly air temperature rankings in the Arctic at the 925 hPa level for each month from January 1979 to January 2026. There is a long-term warming trend evident in each month. Blue shading is shown for colder months, and red shading is shown for warmer months. A yellow number is shown for each grid box to display the actual temperature ranking. January 2026 was the 2nd warmest January on record.

Heat map-style graphic showing monthly air temperature rankings in the Arctic at the 925 hPa level for each month from January 1979 to January 2026. There is a long-term warming trend evident in each month. Blue shading is shown for colder months, and red shading is shown for warmer months. A yellow number is shown for each grid box to display the actual temperature ranking. January 2026 was the 2nd warmest January on record.

#Arctic air temperature rank by month over the satellite era - now updated through January 2026...

+ Ranks: 1=warmest (red), 47/48=coldest (blue)
+ Download higher resolution: zacklabe.com/arctic-tempe...

2 months ago 76 32 1 3
An aerial view of seals on a floating ice floe. Text says Exclusive member lecture, seals from space: with Prem Gill, Thursday 29 January, 16:00-17:00, online

An aerial view of seals on a floating ice floe. Text says Exclusive member lecture, seals from space: with Prem Gill, Thursday 29 January, 16:00-17:00, online

Calling all RSB members - don't forget to sign up for this week's member-exclusive webinar, 'Seals from Space', exploring the cutting-edge methods being used to study Antarctic ice seals.

📆 Thursday 29 January, 16:00 - 17:00, online

Find out more and book your place: my.rsb.org.uk/item.php?eve...

2 months ago 4 2 0 0
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Drones detect deadly virus in Arctic whales' breath Whale breath collected by drones is giving clues to the health of wild humpbacks and other whales.

“The researchers used drones carrying sterile petri dishes to capture droplets from the exhaled breath of whales…they confirmed for the first time that a potentially deadly whale virus, known as cetacean morbillivirus, is circulating above the Arctic Circle.”

www.bbc.co.uk/news/article...

4 months ago 2 0 0 0
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Was searching for details of a panel I was on regarding the use of AI in science and wildlife storytelling, and found myself mentioned in a blogpost covering the topic. It feels so odd to see yourself written about but luckily it was all nice! #phd #academia

4 months ago 1 0 0 0
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❄ November 2025: Arctic sea ice extent ranked second-lowest for November in the 47-year satellite record at 12% below average. Antarctic extent was the fourth-lowest for the month, 7% below average.

Find out more ⬇️

4 months ago 22 15 1 2
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The 2025 state of the climate report: a planet on the brink We are hurtling toward climate chaos. The planet's vital signs are flashing red. The consequences of human-driven alterations of the climate are no longer

In our Climate Report my coauthors and I say: We are hurtling toward climate chaos. The planet's vital signs are flashing red. Consequences of human-driven alterations of the climate are no longer future threats but are here now. Read report here doi.org/10.1093/bios...

4 months ago 170 97 5 14

Congrats! Curious to hear if you managed to spot many (or any) hauled out seals during the polar-night surveys?

4 months ago 1 0 1 0
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PhD thesis submitted. Thank you to all the people who helped me get to this stage and those who kept me going through the final stretch.

@bas.ac.uk @wwf.org.uk #cambridgeuni

4 months ago 10 0 0 0
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The Caspian Seal is the Caspian Sea’s only marine mammal. Each year adults head north to gather on ice and pup, molt on northern islands, then disperse to central & southern basins.

Slow-reproducing and commercially exploited, they are listed under CMS Appendices I & II: www.cms.int/sites/defaul...

5 months ago 26 8 0 0
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In three days, our iconic red planes will take off from Canada to make the epic journey across the world to Antarctica.

These flights mark the start of a new polar science season.

BUT ALSO that means there's three days left to send your name to Antarctica with us! tickettoantarctica.com

6 months ago 56 18 0 4
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I’m on vacation walking in the Dolomites.

Today I hiked near the Marmolada glacier - what was once a vast mass of ice is now streaked with bare rock and thinning fast.

Just looked it up: the glacier has retreated ~7 m in the past year alone

Climate change in action…
www.unipd.it/news/campagn...

7 months ago 21 4 2 0
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🗺️NEW: BAS Map Catalogue is live!

Explore Antarctica and the Arctic through our collection of professional maps. Perfect for educators, adventurers, and polar enthusiasts. Many available on open licence for free download. #PolarMaps #Antarctica

7 months ago 17 6 1 1
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Cumulus clouds spin around a broad area of high pressure over Texas today.

7 months ago 59 9 2 1
Polar stereographic map of sea surface temperature trends for Septembers from 1979 to 2024. Red shading is shown for warming trends, and blue shading is shown for cooling trends. All areas of the ocean are observing warming.

Polar stereographic map of sea surface temperature trends for Septembers from 1979 to 2024. Red shading is shown for warming trends, and blue shading is shown for cooling trends. All areas of the ocean are observing warming.

Sea surface temperatures are warming across the entire periphery of the #Arctic Ocean in September.

This is especially observed in areas with long-term declines in sea ice concentration, such around the Chukchi and Kara Seas.

Data from NOAA OISSTv2.1. For more info arctic.noaa.gov/report-card/...

7 months ago 84 35 1 4
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❄ August 2025: Arctic sea ice extent 12% below the 1991–2020 average for the month, ranking 8th-lowest on record. Antarctic sea ice extent ranked 3rd-lowest for August. More in the #C3S Climate Bulletin 👉 climate.copernicus.eu/sea-ice-cove...

7 months ago 26 14 1 2

I did! According to Mark Brandon: “Amazing picture. I think it’s a pic at Grytviken, the white building I think is the hydroelectric power plant and the wreck of the Louise” l.instagram.com?u=https%3A%2...

7 months ago 2 0 0 0
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Emerging evidence of abrupt changes in the Antarctic environment - Nature Abrupt changes are developing across Antarctica’s ice, ocean and biological systems; some of these changes are intensifying faster than equivalent Arctic changes, potentially irreversibly, and their i...

Emerging evidence of abrupt changes in the Antarctic environment

Our study, lead by @climatenerilie.bsky.social
Published today

8 months ago 13 10 0 1
Line graph time series of 2025's daily Arctic sea ice extent compared to decadal averages from the 1980s to the 2010s. The decadal averages are shown with different colored lines with purple for the 1980s, blue for the 1990s, green for the 2000s, and white for the 2010s. Thin white lines are also shown for each year from 2000 to 2024. 2025 is shown with a thick gold line. There is a long-term decreasing trend in ice extent for every day of the year shown on this graph between May and August by looking at the decadal average line positions.

Line graph time series of 2025's daily Arctic sea ice extent compared to decadal averages from the 1980s to the 2010s. The decadal averages are shown with different colored lines with purple for the 1980s, blue for the 1990s, green for the 2000s, and white for the 2010s. Thin white lines are also shown for each year from 2000 to 2024. 2025 is shown with a thick gold line. There is a long-term decreasing trend in ice extent for every day of the year shown on this graph between May and August by looking at the decadal average line positions.

🚨 Monday ice update - #Arctic sea ice extent is currently the *lowest* on record (JAXA data)

• about 350,000 km² below the 2010s mean
• about 1,010,000 km² below the 2000s mean
• about 1,590,000 km² below the 1990s mean
• about 2,150,000 km² below the 1980s mean

More: zacklabe.com/arctic-sea-i...

9 months ago 139 63 4 6
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Three years left to limit warming to 1.5C, top scientists warn - BBC News The Earth could be doomed to breach a key climate target in as little as three years, scientists warn.

We have 3 years before we burn through the carbon budget for 1.5°C

World leaders promised action in 2015. Since then:

🔥 Record fossil fuel use
🌲 More deforestation
📈 Rising emissions

This isn’t a lack of solutions. It’s a lack of will.

www.bbc.co.uk/news/article...

10 months ago 56 18 2 2
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Breaking news: it appears Emperor penguin populations in Antarctica are declining faster than predicted.

Latest satellite data shows a massive 22% drop in penguin numbers over the last 15 years in key regions.

This is more than double the rate of loss that experts had expected...

🧵 1/8

10 months ago 119 73 2 12

In sheep we trust.

10 months ago 1 0 0 0

Hello! 👋

We're thrilled to launch our new Bluesky account and can't wait to share all things Arctic with you! Watch this space for all our latest news, stories, opportunities and events!

11 months ago 20 8 1 0

Congrats to Alex! I was trained by co-author Andrew on how to use field spectroscopy equipment. Small world.

1 year ago 2 0 0 0
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This week I had my penultimate council meeting as a Trustee of the Royal Geographical Society. I’ve had an incredible time helping guide the society and trying to make geography for all. My role on the Expeditions and Fieldwork committee is now up for election.

1 year ago 6 0 0 0