Abstract
SUMMARY A flowmeter, based on a modified form of the Poppendiek thermal-electric anemometer, for measuring lateral flow of water in peat at rates less than a few cm s - 1is described. It consists essentially of a probe made up of pairs of thermocouples and a heating unit, coupled to a heating circuit and an output circuit. Calibration proved satisfactory for flow rates of 0-2-30 cm sec', within the range of field temperatures. Water temperature had negligible influence in the relatively cold environment under consideration. Field data are given for two mire sites, in Sweden and in England. The probe offers the possibility of measurements of water seepage within peat deposits.
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