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A map of the Arctic. The red line is the 10 °C isotherm in July, commonly used to define the Arctic region; also shown is the Arctic Circle. The white area shows the average minimum extent of sea ice in summer as of 1975. [1] The climate of the Arctic is characterized by long, cold winters
The Lean, Beer & Bradley 1995 paper confirmed that the drop in solar output appeared to have caused a temperature drop of almost 0.5 °C during the Little Ice Age, and increased solar output might explain the rise in early 20th century temperatures. A reconstruction of Arctic temperatures over four centuries by Overpeck et al. 1997 reached ...
Average summer temperatures on Svalbard range from 3 to 7 °C (37.4 to 44.6 °F) in July, and winter temperatures from −13 to −20 °C (8.6 to −4.0 °F) in January. [8] The highest temperature ever recorded was 23.0 °C (73.4 °F) in July 2020 [9] and the coldest was −46.3 °C (−51.3 °F) in March 1986. The archipelago is the meeting ...
With help from a record-breaking concentration of carbon dioxide on the planet, the Arctic's surface air temperature broke a 121-year record in 2020.
The 2016 Arctic Report Card reflects the combined efforts of 61 authors from 11 countries. The 12 essays were subject to independent peer-review organized by the Arctic Monitoring and Assessment Programme (AMAP) of the Arctic Council. In 2016, continuation of long term warming trends and sea ice loss are triggering extensive Arctic Changes.
Temperature reconstructions based on oxygen and silicon isotopes from rock samples have predicted much hotter Precambrian sea temperatures. [ 10 ] [ 11 ] These predictions suggest ocean temperatures of 55–85 °C during the period of 2,000 to 3,500 million years ago , followed by cooling to more mild temperatures of between 10-40 °C by 1,000 ...
A United Nations agency confirmed today that an arctic temperature record of more than 100.4 degrees Fahrenheit was reached in a Siberian town last year.
Millions of Americans should prepare for an Arctic blast that will blanket much of the country in below-freezing temperatures over the next several days. Frigid conditions are expected over a ...