Abstract
IT is now two years (June 3, 1939) since there was noticed in these columns an annual report (the third) on Inland Water Survey in Great Britain, issued by the Ministry of Health and the Scottish Office. Unfortunately, there seems to be little or no likelihood that further reports will be published at present. This abrupt cessation of the reports makes a serious hiatus in the useful work of the Survey, which was begun by the Government in 1935 at the instance of the British Association and the Institution of Civil Engineers, and it is greatly to be regretted from a hydrological point of view, since the data collected were, undoubtedly, of great value for a properly systematized estimation of the water resources of the country. To remedy the omission in some measure, Captain W. N. McClean, the director of River Flow Records (Parliament Mansions, Victoria Street, S.W.I), to whose initiative and enterprise the institution of the Survey is due, has just issued a small pamphlet often sheets, entitled “River Flow Records of the River Moriston at Invermoriston”, giving recorded readings of that river in Inverness–shire during the years 1937—40, in continuation of those which have previously been recorded since 1929. Both water–levels and river flow have been tabulated daily for each month of the period to September 1940. The relationship between them has been established at Invermoriston for any water–level up to an ordinary high flood. Extreme low flow may drop to less than 30 cu. ft. per sec., and an extreme high flood may reach a flow of 16,000 cu. ft. per sec. The area drained is 151 square miles and the run–off for a year of average rainfall is estimated to be about 68 inches. Captain McClean's persistent and painstaking efforts in maintaining these scientific observations are deserving of the highest commendation. It is greatly to be desired that publication of the results of the national survey should be resumed as soon as possible.
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River Flow Records. Nature 148, 49 (1941). https://doi.org/10.1038/148049c0
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DOI: https://doi.org/10.1038/148049c0