National Snow and Ice Data Center

@NSIDC

Advancing knowledge of Earth's frozen regions.

Boulder, Colorado
nsidc.org
Joined September 2008
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  1. 2 hours ago

    Melting through the peak of Greenland’s summer melt season has been well above the 1981-2010 average, but below the levels of many previous summers of the past decade. Learn more in our latest Ice Sheet Today post: .

    2 retweets 5 likes
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  2. 7 hours ago

    Several NSIDC scientists contributed to the State of the Climate in 2019 report, out today: . The report is compiled by & provides a detailed update on global climate indicators, notable weather events, & more.

    1 reply 2 retweets 10 likes
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  3. 7 hours ago

    Melt ponds that form atop sea ice could cause the ice to disappear sooner than expected, according to a study (). Melt ponds drove sea ice to completely melt away about 130,000 years ago. More at : .

    4 retweets 6 likes
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  4. 24 hours ago

    We're saddened to learn about the passing of former director Konrad Steffen, who was lost in an accident over the weekend on the Greenland Ice Sheet. :

    1 reply 8 likes
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  5. Aug 11

    About 75 people were evacuated from a resort in Italy last week due to fears that a section of ice the size of a football field could collapse from a Mount Blanc . Read more from : .

    14 retweets 14 likes
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  6. Retweeted
    Aug 10

    On 7/29, an cyclone exploded in intensity as it entered the Beaufort Sea, causing high winds to spread out sea ice. This masthead image displays daily averaged brightness temperatures derived from AMSR-E/AMSR2 data, which the NSIDC DAAC manages.

    1 reply 1 retweet 5 likes
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  7. Aug 11

    The Milne Ice Shelf of Ellesmere Island, Nunavut, Canada, split in two in late July, then drifted off into the Arctic Ocean in early August, according to satellite imagery. See the images at : .

    22 retweets 23 likes
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  8. Retweeted
    Aug 11

    The St. Patrick Bay ice caps once provided scientists with a unique opportunity to collect data on how the last ice ages developed. Now, the ice caps are gone

    7 retweets 6 likes
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  9. Aug 10

    “We looked into the satellite data for this summer and they’re gone and they’re probably never coming back.” NSIDC's speaks to about the disappearance of the St. Patrick Bays ice caps in Nunavut, Canada. Read more: .

    3 retweets 4 likes
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  10. Aug 10

    A study in 's GGG introduces new seafloor maps for the Southern Ocean—showing the large ice sheets of East reacted to in a similar way during past warm phases to how ice sheets in West Antarctica are doing so today.

    4 retweets 8 likes
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  11. Retweeted
    Aug 10

    Antarctica's ice shelves are melting faster than they're being replaced, according to a satellite study that maps their loss of mass in new detail

    37 replies 145 retweets 229 likes
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  12. Retweeted
    Aug 10

    International research published this week in the journal supports predictions that the could be free of sea ice by 2035. With lead authors Dr Maria Vittoria Guarino and Dr Louise Sime, BAS:

    3 replies 38 retweets 37 likes
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  13. Aug 10

    “Historically these summer storms have been pretty key for determining how low the ice extent gets come September." 's Alek Petty discusses this month's atmospheric low-pressure system over the Ocean and how it could affect sea ice extent:

    10 retweets 22 likes
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  14. Aug 7

    NSIDC's joined for several months, conducting research on how snow affects sea ice thickness measurements in the darkness of the winter. Read part 1 of her story here: & part 2 here: .

    1 reply 8 retweets 10 likes
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  15. Aug 7

    Sea ice extent averaged for July 2020 was 7.28 M sq km, (2.81 M sq mi), the lowest extent in the satellite record for the month. This was 2.19 M sq km (846,000 sq mi) below the 1981-2010 July average. More in our latest Arctic Sea Ice News & Analysis post:

    19 retweets 17 likes
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  16. Aug 6

    Scented chemicals, like those added to cleaning products, can end up in the ice of remote places. In a new study, scientists analyzed an ice core from Mt Elbrus for fragrances that settled on its snow from 1934-2005. Learn what they found :

    15 retweets 17 likes
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  17. Aug 6

    "I can't say I was terribly surprised because we knew they were going, but it has happened really fast." NSIDC director discusses the complete disappearance of the St. Patrick Bay ice caps in Canada with : .

    1 reply 19 retweets 21 likes
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  18. Aug 6

    The timing of melt onset & melt pond development influences how much sea ice will melt during the summer b/c early melt onset & early melt pond development lowers the surface albedo, allowing more of the sun’s energy to be absorbed by the ice. Learn more:

    10 retweets 13 likes
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  19. Retweeted
    Aug 6

    Join me in tracking this year's sea ice minimum! Sea ice melt dramatically slows every September as solar energy decreases and temperatures drop. Follow along at

    Line graph time series of 2020's daily Arctic sea ice extent compared to decadal averages since the 1980s and the annual minimums as scatter points since 2002
    9 replies 79 retweets 204 likes
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  20. Retweeted
    Aug 5

    The Yakutia region of has seen extreme weather conditions this summer: f/ a heatwave in June & early July to snow (). This Worldview image shows snow cover on 7/5 derived from MODIS data (which the NSIDC DAAC manages):

    1 reply 3 retweets 3 likes
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