Abstract
THE agitation on behalf of the establishment of a national Inland Water Survey will be supported during the meeting of the British Association at Aberdeen by a series of demonstrations of the process of river gauging on the River Dee, which are being undertaken by Capt. W. N. McCIean with the aid of his apparatus, employed on the survey of the Ness Basin, and apparatus used by Prof. S. M. Dixon in connexion with gaugings of the River Severn. The demonstrations will take place on September 11 and other dates, as may be found desirable, at Woodend, above the Cairnton Intake of the Aberdeen Water Supply, the water authority of Aberdeen having kindly co-operated in providing a site for the gaugings and by installing two water-level recorders at Cairnton and Cults. Woodend Reach is of the pool type and about 200 feet in width at normal water level. The maximum surface velocity is expected to vary from 3 ft. per sec. at low water to 10 ft. per sec. on a normal flood. At low water the depth on the section is 3 ft. over the greater part with a deeper strip on the south side. The two types of gauging apparatus to be employed are (1) the Ness Basin type consisting of a ropeway, twin punts and stream-lined rod with current meter on the lower end, and (2) the Severn type, consisting of a ropeway with suspended current meter and sinker weight. A comparison of the two methods under identical conditions promises to provide useful data for inland water survey purposes.
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River Gauging. Nature 134, 352 (1934). https://doi.org/10.1038/134352b0
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DOI: https://doi.org/10.1038/134352b0