Saturday, 12 December 2020

South Georgia - major landscape change case study

South Georgia at risk... 

I've been following this story for the last few months. The huge iceberg called A68a which broke off the Larsen C Ice Shelf in 2017 has been drifting northwards since then. 

It is now being pushed by the Antarctic circumpolar current and is on a collision course with South Georgia. This would cause environmental catastrophe for the ecosystems, including a massive penguin colony and other activities including scientific work.

Full details are here in this excellent Reuters Graphic website resource, which includes some great images naturally. Notice the inclusion of Manhattan for scale on the image above. This is not going to be pushed out of the way...

If the berg lodges at the island’s flank, it could remain a fixture for up to 10 years before the ice melts or breaks away. That could block some of the island’s 2 million penguins – including King Penguins, Gentoos, Macaronis and Chinstraps – from reaching the waters to feed their young. The melting freshwater could also make the waters inhospitable for phytoplankton and other sea creatures that are crucial parts of the food chain.

A reminder that the resources that I wrote for the South Georgia Heritage Trust are now here, and can be used free of charge. Give them a go and let me know how you get on.

Image copyright: https://graphics.reuters.com/CLIMATE-CHANGE/ICEBERG/yzdvxjrbzvx/

The iceberg is only around 50km away from South Georgia and collision seems inevitable, with the iceberg grounding itself close to the island and sitting there for a decade or more....

Post settings Labels South Georgia,South Georgia Heritage Trust,Iceberg A68a, No matching suggestions Published on 12/12/2020 15:00 Permalink Location Options Post: EditPost published

No comments: