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#icesheet

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Ruth Mottram

Next week our ECR group are starting a #MachineLearning sprint to speed up the development of our new #IceSheet surface mass budget emulation models.

I'm looking for hints, ideas tips and inspiration to help smooth and accelerate the process.

If you're used to working in #Sprint mode, what in your opinion makes it work or otherwise hinders it?

What can I as supervisor do to make it run better?
And how should we celebrate it's conclusion?

Also, should me do an #AMA on the process?

#ClimateScience#IceSheets#Greenland
*
Ruth Mottram

If I didn't have 2 papers to (re)submit and two reports due at the ECMWF and ESA, I would write a quick blog post on how interesting it is that our modelled melt over the #Greenland #IceSheet on the @polarportal and the satellite derived melt areas almost but don't quite match, and why that might be...

fediscience.org/@polarportal/1

FediScience.orgpolarportal (@polarportal@fediscience.org)Attached: 2 images Large melt event ongoing in Greenland the last few days. Well above average, the last few days around 50% of the ice sheet surface had some melting - most of this refroze but in some areas, especially western Greenland, and at lower elevations, the ice sheet loss ("ablation") season is well underway. https://polarportal.dk/en/greenland/surface-conditions
Martin Stendel

🌐❄️ 𝗧𝗵𝗲 𝗻𝗲𝘄 𝗣𝗼𝗹𝗮𝗿 𝗣𝗼𝗿𝘁𝗮𝗹 𝘄𝗲𝗯𝘀𝗶𝘁𝗲 𝗶𝘀 𝗹𝗶𝘃𝗲!

We’re excited to launch the updated version of 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸 – your gateway to 𝗿𝗲𝗮𝗹-𝘁𝗶𝗺𝗲 𝗱𝗮𝘁𝗮 𝗼𝗻 𝗔𝗿𝗰𝘁𝗶𝗰 𝘀𝗲𝗮 𝗶𝗰𝗲 𝗮𝗻𝗱 𝘁𝗵𝗲 𝗚𝗿𝗲𝗲𝗻𝗹𝗮𝗻𝗱 𝗜𝗰𝗲 𝗦𝗵𝗲𝗲𝘁.

📊 On 𝗣𝗼𝗹𝗮𝗿𝗽𝗼𝗿𝘁𝗮𝗹.𝗱𝗸, Danish research institutions share up-to-date monitoring and expert knowledge on the state of the Arctic cryosphere.

𝗛𝗲𝗿𝗲 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗳𝗶𝗻𝗱 𝗱𝗮𝘁𝗮, 𝗮𝗻𝗶𝗺𝗮𝘁𝗶𝗼𝗻𝘀 𝗮𝗻𝗱 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 𝗼𝗻:
• Surface conditions on the Greenland Ice Sheet and its major outlet glaciers
• Total mass balance of the Greenland Ice Sheet and its contribution to global sea-level
• Sea ice extent, thickness and volume in the Arctic
• Temperature anomalies of sea ice and the open sea in the Arctic
• Icebergs around Greenland

The portal is powered by the Danish research institutions #DMI, #GEUS, #DTUSpace and #DTUByg and supported by data from #Asiaq - Misissueqqarnerit - Grønlands Forundersøgelser and #PROMICE (promice.org/).

🔗 Visit the new site: polarportal.dk/en/

#PolarPortal#Greenland#Arctic
Ruth Mottram

Incidentally, while this is happening in the US, we have been working quite hard on the @polarportal (well @MartinStendel + out @dmidk colleagues have, I've mainly tried to make helpful comments), the old website is still up giving the latest on #Arctic #seaice #Greenland #icesheet and other datasets, but there's some fancy new stuff on the pipeline.
#StayTuned

nsidc.org/data/user-resources/

nsidc.orgUser notice: Level of Service Update for Data Products | National Snow and Ice Data CenterEffective May 5, 2025, NOAA’s National Centers for Environmental Information (NCEI) will decommission its snow and ice data products from the Coasts, Oceans, and Geophysics Science Division (COGS).
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

#Scientists discover hidden 'plumbing' that's driving #Antarctic #icesheet into the #ocean
Maps created by combining different models of #glaciers and ice sheets reveal the way water is flowing deep beneath #Antarctica's ice. Understanding how these vary is important for accurately predicting how much ice will flow into the ocean, and how quickly it will move. Current models predict that ice melt from Antarctica could result in #sealevelrise up to 12in (30cm) by 2100.
livescience.com/planet-earth/a

Live Science · Scientists discover hidden 'plumbing' that's driving Antarctic ice sheet into the oceanBy Skyler Ware
Benjamin Carr, Ph.D. 👨🏻‍💻🧬

#Greenland’s #glaciers are falling apart faster than expected
New 3D study shows meltwater driving fissures deeper into the glacial ice.
The study found that crevasses are expanding more quickly than previously detected, and somewhere between 50-90% of the water flowing through the Greenland Ice Sheet goes through crevasses, which can warm deeply submerged portions of the #glacier and increase lubrication between the base of the #icesheet and the bedrock it flows over.
arstechnica.com/science/2025/0

Ars Technica · Greenland’s glaciers are falling apart faster than expectedBy Inside Climate News
Ruth Mottram

As it happens, I'm at Aarhus University today at the Danish Greenland ice sheet seminar, an annual event that goes round different institutes working on the #Greenland #IceSheet in Denmark. If one of these PhDs takes your fancy maybe you'll join us next year?

fediscience.org/@Ruth_Mottram/
Ruth_Mottram - New year new PhD project?

In case your career ambitions extend to a PhD in DEnmark, Aarhus University have some really exciting positions open right now, everything from ancient human migrations to atmospheric physics. PhD students in Denmark are employees, and we are always looking for good candidates so it's a great place to study!
Not all are in #Aarhus, some are near Roskilde, just outside #Copenhagen

#FediJobs #phdPosition #PhD #AcademicJobs #GetFediHired

phd.nat.au.dk/for-applicants/o

FediScience.orgRuth Mottram (@Ruth_Mottram@fediscience.org)New year new PhD project? In case your career ambitions extend to a PhD in DEnmark, Aarhus University have some really exciting positions open right now, everything from ancient human migrations to atmospheric physics. PhD students in Denmark are employees, and we are always looking for good candidates so it's a great place to study! Not all are in #Aarhus, some are near Roskilde, just outside #Copenhagen #FediJobs #phdPosition #PhD #AcademicJobs #GetFediHired https://phd.nat.au.dk/for-applicants/open-calls
Ruth Mottram

I wrote a quick summary about this paper.
Enjoy:
sternaparadisaea.net/2024/11/2

fediscience.org/@Ruth_Mottram/
Ruth_Mottram - New paper alert 🚨
Glaude et al 2024 @H2020PROTECT on #Greenland #IceSheet surface melt:

"With identical forcing, Greenland Ice Sheet surface mass balance from 3 regional climate models shows a two-fold difference by 2100"

agupubs.onlinelibrary.wiley.co

Sterna Paradisaea · Small differences that make a really big difference.
More from Sterna Paradisaea
Ruth Mottram

Whilst I'm getting my Friday afternoon paddle in the fantastically glorious weather in Copenhagen it may be a good moment to remind you that we're hiring for several brilliant jobs at @dmidk just now. Including with me on #IceSheet SMB and regional #Climate modelling in #Greenland and #Antarctica

#Fedijobs #AcademicJobs #GetFediHired #friluftsliv #Copenhagen #Denmark #ScandiLifeStyle #ClimateJobs #ClimateModelling

dmi.dk/job-og-karriere/ledige-

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