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Automatic glacier ablation measurements using pressure transducers

  • Carl Egede Bøggild (a1), Ole B. Olesen (a1), P.Ahlstrøm Andreas (a1) and Peer Jørgensen (a2)

Abstract

An instrument is described that automatically records ice ablation while eliminating the need for ablation stakes. A pressure transducer placed at the bottom of a hole drilled into the ice is connected by a hose to a bladder lying on the surface. Ice ablation is detected as a reduction in the hydrostatic pressure measured by the transducer.

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References

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Boggild, C.E., Tukiainen, H. and Oerter, T.. 1996. Increased ablation of Wisconsin ice in eastern north Greenland: observations and modelling. Ann. Glaaol, 23, 144-148.
Muller, F. and Keeler, C.M.. 1969. Errors in short-term ablation measurements on melting ice surfaces. J. Glaciol., 8(52), 91-105.
Olesen, O.B. and Braithwaite, R.J.. 1989. Field stations for glacier-climate research, West Greenland. In Oerlemans, J., ed. Glacier fluctuations and climatic change. Dordrecht, etc., Kluwer Academic Publishers, 207-218.
Thomas, R.H. 2001. Remote sensing reveals shrinking Greenland ice sheet. Eos, 82(34), 369, 372-373.

Automatic glacier ablation measurements using pressure transducers

  • Carl Egede Bøggild (a1), Ole B. Olesen (a1), P.Ahlstrøm Andreas (a1) and Peer Jørgensen (a2)

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