There is a 'Tide Gauge' just off the shore at Davis, which sits on the ocean floor recording the pressure of the water over it to memory and which needs to be downloaded each year. This involves drilling a hole in the 2 metre thick ice 25 cm across (with a motorised 'Jiffy Drill', then poking about under the ice with a camera on the end of a 3 metre bamboo pole to find it, sweep the muck (and sea-worms) off it with a broom attached to the end of the bamboo pole, then lowering the data-collection device onto the top of it.
This may sound tricky, but it is even worse when you try to do it. If you're even a metre off from it, you can't reach it via the long thin
drill-hole and you have to drill another one.
The big red Hagglunds vehicle carried out the equipment, and serves as a wind-break and as something to stand on when starting the
drilling with the 2 metre drill-bit.
After about an hour and a half, having possibly located the little devil, we gave up, to come back another another day.
You could always build a penguin-proof fence.
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