Following the Frozen Planet talk at Harringay & Stroud Green Library and building on a sort of seasonal winter snow theme I thought I could just about get away with posting these wonderful pics that just arrived by email from Andy Newman at the Gardens Residents Association.
I'll see if we can get our local Frozen Planet expert, Mark B, to comment.
The accompanying text reads:
Icebergs in the Antarctic area sometimes have stripes, formed by layers of snow that react to different conditions. Blue stripes are often created when a crevice in the ice sheet fills up with melt water and freezes so quickly that no bubbles form. When an iceberg falls into the sea, a layer of salty seawater can freeze to the underside. If this is rich in algae, it can form a green stripe. Brown, black and yellow lines are caused by sediment, picked up when the ice sheet grinds downhill towards the sea.
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FANTASTIC! Thanks so much for posting these pictures.
These would make a gorgeous calendar, even if not particularly "seasonal". (The Frozen Planet calendar that the BBC have issued is more about pics of animals)
Thanks for posting these stunning pictures Hugh. They are as though from another planet.
I don't even mind you putting Harringay first in the name of our library (as long as you don't start throwing grappling irons at it across the railway line ;-)
The Gardens Residents Association have an unusual landscape! Who is Andy Newman and is he in the pics?
Seriously, these are wonderful photos. Thanks!
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