00000nam 2200000za 4500 9.862127 CaOODSP 20221107160932 cr ||||||||||| 180919s1972 onc ob f000 0 eng d CaOODSP eng eng fre En36-515/61E-PDF Lau, Y. L. A review of conceptual models and prediction equations for reaeration in open-channel flow [electronic resource] / Y.L. Lau. Ottawa : Inland Waters Branch, Dept. of the Environment, 1972. vii, 28 p. Technical bulletin ; no. 61 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Organic wastes in the waters or changes in flow regime by reservoirs may greatly lower the dissolved oxygen in a river. Where this occurs it may be useful to encourage the supply of oxygen by manipulating the hydraulic parameters rather than by syphons, oxygen bubbles and other mechanical means of artificial aeration. Reaeration is also a fundamental component of the oxygen balance of a river or stream and consequently knowledge of the phenomenon is vital for correct systems modelling of stream quality. The relationship between hydraulic parameters and the rate of atmospheric reaeration is not established and this report takes the first step in a programme of the Hydraulics Unit at the Canada Centre for Inland Waters to investigate this mechanism"--Foreward, p. v. Includes foreward and abstract in French. Rivers--Aeration--Simulation methods Channels (Hydraulic engineering)--Simulation methods Canada. Inland Waters Branch. Canada. Environment and Climate Change Canada. Technical bulletin (Canada. Inland Waters Branch) no. 61. (CaOODSP)9.861115 PDF 1.32 MB https://publications.gc.ca/collections/collection_2018/eccc/En36-515-61-eng.pdf