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A wireless multi-sensor subglacial probe: design and preliminary results

  • Jane K. Hart (a1), Kirk Martinez (a2), Royan Ong (a3), Alistair Riddoch (a2), Kathryn C. Rose (a1) and Paritosh Padhy (a2)...

Abstract

This paper introduces a new way to investigate in situ processes, the wireless multi-sensor probe, as part of an environmental sensor network. Instruments are housed within a ‘probe’ which can move freely and so behave like a clast. These were deployed in the ice and till at Briksdalsbreen, Norway. The sensors measure temperature, resistivity, case stress, tilt angle and water pressure and send their data to a base station on the glacier surface via radio links. These data are then forwarded by radio to a reference station with mains power 2.5 km away, from where they are sent to a web server in the UK. The system deployed during 2004/05 was very successful and a total of 859 probe days worth of data from the ice and till were collected, along with GPS, weather and diagnostic data about the system.

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References

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