Bending Ice

The Darwin Glacier feeds into the much larger Ross Ice Shelf. Over the transition between grounded and floating ice the influence of the tides increases. Today we distributed seven highly-sensitive tiltmeters across the grounding zone to measure the flexure due to oceanic tides. These movements are necessary to calibrate our space-borne observations back at our offices.

SONY DSC

 

 

Quick fact:

Our tiltmeters can measure surface bending down to a thousandth of a degree. Holy cow !

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