Atlantic water intrusion triggers rapid retreat and regime change at previously stable Greenland glacier - Nature Communications

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Atlantic water intrusion triggers rapid retreat and regime change at previously stable Greenland glacier - Nature Communications
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A once-stable glacier in Greenland is now rapidly disappearing OhioState NatureComms

In contrast, 2018 saw more significant and sustained retreats. This began in mid-May, totalling ~3.2 km by the 12th of January when the annual winter advance began. This pattern repeated in 2019, retreating ~3 km between mid-May and early February. After a relatively short advance period relative to 2018, an additional ~2.1 km of retreat occurred between early May and November 2020.

Steenstrup’s retreat occurred alongside an associated increase in glacier speed. After exhibiting no change between 1985 and 2016 , speed increased at all sample points between 2016 and 2020. The frontmost sampling point reached a maximum of 16.8 m din August 2020 . However, alongside the front advance between November 2020 and July 2021, Steenstrup’s speed greatly reduced, declining to ~12.8 m dat the frontmost point by early July.

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