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The first sea ice-free September could occur as early as the 2030s, the study found. Arctic sea ice has been declining for decades but has shrunk at an even faster rate in the past 20 years.
[54]: 1249 In September 2020, the US National Snow and Ice Data Center reported that the Arctic sea ice in 2020 had melted to an extent of 3.74 million km 2, its second-smallest extent since records began in 1979. [55] Earth lost 28 trillion tonnes of ice between 1994 and 2017, with Arctic sea ice accounting for 7.6 trillion tonnes of this loss.
Variation of Arctic sea ice from 1984 to 2019. Younger ice (first-year ice) is shown in darker shades, while older ice (four-year or older) is shown in white. Housed in the western part of the Arctic Ocean is the Beaufort Gyre, whose growing reservoir of freshwater is shrouded in mystery. In recent years, this increasing freshwater content (FWC ...
For the first time, this year's report contains an essay by Indigenous Peoples from the Bering Sea region. A YouTube video summarizes the annual highlights. The major findings were: • The second warmest surface air temperature since 1900. • The area of Arctic sea ice in summer 2019 was markedly reduced.
Ice coverage for all of the Great Lakes combined was 23.21% – the highest since February 26, 2022, when it was 56.1%. At the beginning of this month, ice coverage was less than 2% across all the ...
Younger ice (first-year ice) is shown in darker shades, while older ice (four-year or older) is shown in white. This visual shows the Arctic sea ice change and the corresponding absorbed solar radiation change during June, July, and August from 2000 through 2014. The Arctic ice pack is the sea ice cover of the Arctic Ocean and its vicinity. The ...
A comparison of polar sea ice extents on two random days does not provide enough information to determine whether or not Earth's climate is changing.
The Arctic Ocean is the mass of water positioned approximately above latitude 65° N. Arctic Sea Ice refers to the area of the Arctic Ocean covered by ice. The Arctic sea ice minimum is the day in a given year when Arctic sea ice reaches its smallest extent, occurring at the end of the summer melting season, normally during September.