The first map from the AAD gives an idea how far the Aurora Australis had to stand off Davis to fly helicopters – and we are only at the autumn equinox. Note too the current search area for debris ex MH370 is on that map.
The daily sitreps from the ship Aurora Australis – Webcams page – The Cryosphere Today source of satellite sea ice extent image –
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Southern Hemisphere sea ice area looks healthy
Warwick
“The first map from the AAD gives an idea how far the Aurora Australis had to stand off Davis to fly helicopters” – Mercatorised maps are good for many things – but for inter-comparison of distances they’re lousy – especially towards the poles – where they are mostly useless for that task.
George
The Mercator projection distorts latitude, not longitude. As the helicopter is flying almost north south, a Mercator projection accurately shows the distance.
Using this Latitude/Longitude Distance Calculator from NOAA – I make the distance 156 Nautical Miles or 288 KM.
“The Mercator projection distorts latitude, not longitude. As the helicopter is flying almost north south, a Mercator projection accurately shows the distance.” – precisely my point Phillip. The relative distances between Mawson, Davis and Casey do not scale to the distance to ship.
Aurora Australis slowed down somewhat and crunching through ice ~66South – trying to get “40-50nm miles from Mawson station”
snapped on the webcam
