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The lowest Arctic sea-ice extent in the satellite record

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September extent falls to approximately 3.4 million square kilometres, the lowest of the satellite era and roughly half the average of the first decades of the record. The loss of thick multi-year ice matters more than the area figure: a thinner, younger, more mobile ice pack responds differently to a summer storm than the pack that preceded it, which is part of why a single season could go so far.

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Assembled from 40 blocks · 1 evidence · 36 related

  1. Story
  2. September extent falls to approximately 3.4 million square kilometres, the lowest of the satellite era and roughly half the average of the first decades of the record. The loss of thick multi-year ice matters more than the area figure: a thinner, younger, more mobile ice pack responds differently to a summer storm than the pack that preceded it, which is part of why a single season could go so far.
  3. Knowledge
  4. Arctic Ocean
  5. Sea Ice
  6. Arctic Amplification
  7. The lowest Arctic sea-ice extent in the satellite record
  8. Connections
  9. The Arctic summer minimum drops far below anything previously observed
  10. Arctic Ocean
  11. Sea Ice
  12. Arctic Amplification
  13. Antarctica
  14. Arctic Amplification
  15. Polar Bear (Ursus maritimus)
  16. Arctic Tern (Sterna paradisaea)
  17. Arctic Council
  18. Inuit
  19. The continuous satellite sea-ice record begins
  20. The Arctic summer minimum drops far below anything previously observed
  21. The lowest Arctic sea-ice extent in the satellite record
  22. Seven Arctic states pause participation in the Arctic Council
  23. Polynya
  24. Arctic Amplification
  25. Antarctic Krill (Euphausia superba)
  26. Polar Bear (Ursus maritimus)
  27. Emperor Penguin (Aptenodytes forsteri)
  28. Halley Bay Emperor Penguin Colony
  29. The continuous satellite sea-ice record begins
  30. A long-term decline in krill density is linked to winter sea ice
  31. The Arctic summer minimum drops far below anything previously observed
  32. The lowest Arctic sea-ice extent in the satellite record
  33. The Halley Bay emperor colony fails and does not recover
  34. The emperor penguin is listed as threatened under the US Endangered Species Act
  35. Antarctic sea ice reaches a record low, a year after the previous one
  36. Sea Ice
  37. Arctic Ocean
  38. The lowest Arctic sea-ice extent in the satellite record
  39. Evidence
  40. A continuous, consistently processed record of sea-ice extent in both hemispheres exists from 1979, from which the Arctic September minima of 2007 (approximately 4.2 million km2) and 2012 (approximately 3.4 million km2) and the Antarctic February minima of 2022 and 2023 (the first below 2 million km2 in the record, and lower again the following year) are drawn. V55 VERIFICATION BASIS: nsidc.org was probed during production and refused by the network egress proxy, and the WebSearch budget was exhausted. EVERY NUMERIC VALUE IN THIS RECORD IS APPROXIMATE AND UNCHECKED, given to one or two significant figures for that reason. A curator must replace them with values read from the Sea Ice Index before publication.
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