tag:bbc.co.uk,2008:cps:playlist:mediaAsset:16659528 Arctic freshwater bulge detected UK scientists use radar satellites to measure a huge dome of fresh water that is developing in the western Arctic Ocean. 2012-01-20T16:41:23Z en News 16659528 99110 blocked tag:bbc.co.uk,2008:cps:advert:mediaAsset:16659528 tag:bbc.co.uk,2008:cps:ident:news:video:512x288 tag:bbc.co.uk,2008:cps:mediaAsset:16659528 This video has no sound tag:bbc.co.uk,2008:cps:playlist:mediaAsset:12034833 Ice mission returns first science Europe's new space mission to monitor polar ice, Cryosat-2, produces its first significant science result - a map of ocean circulation across the Arctic basin.