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Global warming is turning Greenland green!

2024-02-15 09:17:11Kosova&Bota SHKRUAR NGA REDAKSIA VOX

Global warming is turning Greenland green!

Parts of Greenland's ice sheet and glaciers that melted over the past three decades have been replaced by wetlands, scrub vegetation and areas of barren rock, according to a new study that used satellite imagery to track changes since the 1980s.

The findings, published Tuesday in the journal Scientific Reports, raise concerns about how Greenland's retreating ice could threaten the stability of the landscape, exacerbate sea-level rise and contribute to further greenhouse gas emissions in areas that are returned to methane-producing wetlands.

Greenland is often considered "ground zero" for the climate crisis, because even small changes in temperature can have large impacts throughout the Arctic region and around the world.

Scientists have estimated that if the Greenland ice sheet were to melt completely, it could raise global sea levels by more than 23 meters.

The study found that about 11,000 square miles of Greenland's ice sheet and glaciers have melted over the past 30 years — an area roughly nine times the size of Rhode Island and equal to about 1.6% of the total ice cover of the world. Greenland.

Wetlands, in particular, nearly quadrupled across Greenland during the study period, especially around the town of Kangerlussuaq on the west coast.

"The observed changes are not only bad news for Greenland's ice sheets and glaciers," said Jonathan Carrivick, one of the authors of the study.

"We have seen signs that ice loss is causing other feedbacks that will result in further ice loss and further greening of Greenland, where shrinking ice exposes bare rock that is then colonized by tundra and eventually bush." he added.

Wetlands are also the "home" of tiny microbes that feed on organic material and release methane, a powerful greenhouse gas.

As such, these aquatic habitats can themselves become significant sources of emissions.


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