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polarportal

polarportal

Mastodon @polarportal@fediscience.org
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Followers
670
Account age
3 yrs
🧰 Free analysis for polarportal
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Known for

Enormous melt event ongoing in #Greenland right now One of the biggest we've seen. Much of the interior melt is likely refreezing, but large mass losses at lower elevations Check out the season here: https://polarportal.dk/en/greenland/surface-conditions235 views Enormous melt event ongoing in #Greenland right now One of the biggest we've seen. Much of the interior melt is likely refreezing, but large mass losses at lower elevations Check out the season here: https://polarportal.dk/en/greenland/surface-conditions There is a big melt event going on in #Greenland. It's been fairly extreme for the time of year the last few days. Much of this melt will refreeze in the snowpack, but the snow buffer gets fuller every year as these kind of melt events are becoming more common. Details and follow along here: http://polarportal.dk/en/greenland/surface-conditions/70 views There is a big melt event going on in #Greenland. It's been fairly extreme for the time of year the last few days. Much of this melt will refreeze in the snowpack, but the snow buffer gets fuller every year as these kind of melt events are becoming more common. Details and follow along here: http://polarportal.dk/en/greenland/surface-conditions/ Interestingly persistent #melt across #Greenland - still very high and widespread. Some fresh snow and rain damping the #Ice loss slightly. The accumulated mass budget is close to average for the time of year, which is extraordinary given the huge amount of late snow. The high melt this year has burnt through it over a week... http://polarportal.dk/en/greenland/surface-conditions/39 views Interestingly persistent #melt across #Greenland - still very high and widespread. Some fresh snow and rain damping the #Ice loss slightly. The accumulated mass budget is close to average for the time of year, which is extraordinary given the huge amount of late snow. The high melt this year has burnt through it over a week... http://polarportal.dk/en/greenland/surface-conditions/ High pressure over Greenland resulting in strongly negative surface mass balance and melting over more than 50% of the area, both quite unusual so late in the season. According to the #GFS model, it will remain warm for at least the next three days. It can therefore be expected that the SMB will end close to the average 1981-2010.36 views High pressure over Greenland resulting in strongly negative surface mass balance and melting over more than 50% of the area, both quite unusual so late in the season. According to the #GFS model, it will remain warm for at least the next three days. It can therefore be expected that the SMB will end close to the average 1981-2010.

📊 Post engagement

39
Avg engagement / post
5.8%
Engagement vs followers
May 2023
On Mastodon since

🔥 Top post: Enormous melt event ongoing in #Greenland right now One of the b · 235 likes + reposts

📊 Activity & format

Posting cadence
0.08 / week
A lower-frequency account — each post lands with more weight.
Content mix
Mostly images
Recent: 0 text · 12 image · 0 video.
Follower / following
1.4×
Follows 486 back. A more reciprocal / networked account.

Recent posts

View on Mastodon ↗
🔥 Top post Enormous melt event ongoing in #Greenland right now One of the biggest we've seen. Much of the interior melt is likely refreezing, but large mass losses at lower elevations Check out the season here: https://polarportal.dk/en/greenland/surface-conditions ★ 235
The onset of the ablation season in Greenland is defined as the first of at least 3 days in a row with a surface mass balance below -1 km³ (= -1 gigaton). In 2026, this was on 1 July, the 3rd latest since 1981. Top: daily SMB since 1 Sep … ★ 8 The onset of the melting season in Greenland is defined as the first of at least three days in a row with melting over more than 5% of the Greenland Ice Sheet. The median over the period 1981-2026 is on 27 May. This year, the melting onset… ★ 12 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 elevat… ★ 15 The onset of the ablation season in Greenland is defined as the first of at least three days in a row with a surface mass balance below -1 km³ (= -1 gigaton). In 2025, this was on 15 June, 2 days later than the median 1981-2010. Top: SMB,… ★ 6 The onset of the melting season in Greenland is defined as the first of at least three days in a row with melting over more than 5% of the Greenland Ice Sheet. The median over the period 1981-2025 is on 26 May. This year, the melting onset… ★ 27 Happy New Year! First September is the first day of the surface mass balance year in Greenland. Still quite some melt around the margins in south and west Greenland but massive dump of snow in the East. Remember: map illustrates how the … ★ 1 There is a big melt event going on in #Greenland. It's been fairly extreme for the time of year the last few days. Much of this melt will refreeze in the snowpack, but the snow buffer gets fuller every year as these kind of melt events a… ★ 70 The "surface mass balance (SMB) year" 2022/23 (1 September 2022 to 31 August 2023) ended with an accumulated SMB of 397.8 Gt, about 50 Gt more than the median 1980-2023 and thus rank 29 of 43 years for which we have data. This is the surfa… ★ 14 High pressure over Greenland resulting in strongly negative surface mass balance and melting over more than 50% of the area, both quite unusual so late in the season. According to the #GFS model, it will remain warm for at least the next t… ★ 36 Interestingly persistent #melt across #Greenland - still very high and widespread. Some fresh snow and rain damping the #Ice loss slightly. The accumulated mass budget is close to average for the time of year, which is extraordinary given… ★ 39 Did you know that you can also search our past archive on the #PolarPortal website? Check out the arrow and calendar at the bottom to compare dates. http://polarportal.dk/en/greenland/surface-conditions/ ★ 8

🐘 Community & instance

Home server
fediscience.org
Their home server on the fediverse — the instance a creator picks signals the community they belong to.
On Mastodon since
May 2023
An established account with real history on the platform.

💡 Facts

🗓️Joined Mastodon in 2023 — 3 years ago.
👁️Averages 39 views per post.
📤Posts about 0.1× per week.

🛡️ Audience credibility

80/100
Excellent Credibility score
97%
Real Real audience
Low Fake-follower risk
High Data confidence
  • Est. 97% real, active audience · Low fake-follower risk.
  • Strong engagement (~5.8% of followers engage each post) — an active, real audience.
  • Established account (3+ years old).

Heuristic estimate from engagement, follower ratios, account age & growth — a screening signal, not a guarantee.

About

The Danish Arctic research institutions present updated knowledge on the condition of two major components of the Arctic: The Greenland Ice Sheet and the sea ice Find us on polarportal.dk

📸 Gallery

The onset of the ablation season in Greenland is defined as the first of at least 3 days in a row with a surface mass balance below -1 km³ (= -1 gigaton). In 2026, this was on 1 July, the 3rd latest since 1981. Top: daily SMB since 1 Sep 2025. Bottom: accumulated SMB for the same period. The late onset is probably related to the heat waves over large parts of Europe at the end of May and June. Th The onset of the melting season in Greenland is defined as the first of at least three days in a row with melting over more than 5% of the Greenland Ice Sheet. The median over the period 1981-2026 is on 27 May. This year, the melting onset was 9 days late, on 5 June, which is the fifth latest during this period. Enormous melt event ongoing in #Greenland right now One of the biggest we've seen. Much of the interior melt is likely refreezing, but large mass losses at lower elevations Check out the season here: https://polarportal.dk/en/greenland/surface-conditions 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 The onset of the ablation season in Greenland is defined as the first of at least three days in a row with a surface mass balance below -1 km³ (= -1 gigaton). In 2025, this was on 15 June, 2 days later than the median 1981-2010. Top: SMB, 17 June 2025 Bottom: sum of daily SMBs since 1 Sep 2024 The onset of the melting season in Greenland is defined as the first of at least three days in a row with melting over more than 5% of the Greenland Ice Sheet. The median over the period 1981-2025 is on 26 May. This year, the melting onset was 12 days early, on 14 May, which is rank 11 of 45 years. Happy New Year! First September is the first day of the surface mass balance year in Greenland. Still quite some melt around the margins in south and west Greenland but massive dump of snow in the East. Remember: map illustrates how the SURFACE of the Greenland Ice Sheet gains and loses mass on a daily basis only from snowfall and runoff the ice sheet also loses ice by calving and ocean and bas There is a big melt event going on in #Greenland. It's been fairly extreme for the time of year the last few days. Much of this melt will refreeze in the snowpack, but the snow buffer gets fuller every year as these kind of melt events are becoming more common. Details and follow along here: http://polarportal.dk/en/greenland/surface-conditions/

🔀 Audience overlap

Estimated

Estimated shared audience with similar creators — useful for avoiding overlap (or doubling down) when planning a campaign.

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