TEMPERATURE OF WATERS
Survey To Start Soon
Regular temperature measurements of Canterbury ground-waters are to be started soon by the Geological Survey of the Department of Scientific and Industrial Research. Knowledge gained is likely to be ot use to engineers designing watercooling or air-conditioning plants, and will also assist the survey’s general programme of tracing the paths followed by ground-waters in the province, the officer in charge of the programme (Mr L. E. Oborn) said yesterday. The measurements will be made by lowering thermistors down wells. (Thermistors measure temperatures by recording the electrical resistance of a special alloy whose resistance varies rapidly with temperature.) In the deep wells, the temperatures are believed to vary little and slowly, and Mr Oborn thinks measurements will not be needed oftener than at monthly intervals. With the shallower wells, however, weekly measurements will probably be necessary, at least at first
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Press, Volume CII, Issue 30058, 16 February 1963, Page 14
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146TEMPERATURE OF WATERS Press, Volume CII, Issue 30058, 16 February 1963, Page 14
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