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BARK TEMPERATURE MEASUREMENTS BY TELEMETRY

Published online by Cambridge University Press:  31 May 2012

Robert L. Dalleske  and
James P. Kimmins
Robert L. Dalleske
Affiliation:
Department of Entomology and Parasitology, University of California, Berkeley, U.S.A.
James P. Kimmins
Affiliation:
Faculty of Forestry, University of British Columbia, Vancouver, Canada
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Abstract

A telemetric system for the measurement of bark temperature of standing trees was developed and compared with a conventional thermocouple system. The components of the system and circuit diagrams are given. The cost of a single unit was about $65. The system was field-tested under both summer and winter conditions in the Sierra Nevada mountains of California. It was concluded that the telemetry system gave more accurate temperature readings and that it possessed several other advantages over the conventional system. While the system was developed for the measurement of temperature, it could be used for the measurement of any environmental variable for which there is a variable-resistance transducer.

Type
Research Article
Information
The Canadian Entomologist , Volume 102 , Issue 11 , November 1970 , pp. 1379 - 1384
Copyright
Copyright © Entomological Society of Canada 1970

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Footnotes

1

This investigation was supported in part by a research grant from the California State Division of Forestry, the T. B. Walker and Surdna Foundations, and by various forest industries.

References

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