00000nam 2200000za 4500 9.852577 CaOODSP 20241203113642 cr ||||||||||| 180228s1974 onca||||o f000 0 eng d CaOODSP eng n-cn--- En36-502/49E-PDF Thomson, K. P. B. (Keith Patrick Bowmer), 1939- A simple colour meter for limnological studies [electronic resource] / K.P.B. Thomson, J. Jerome and H.W. MacPhail. Burlington, Ont. : Environment Canada, 1974. iv, 13 p. : ill. Scientific series ; no. 49 Digitized edition from print [produced by Environment and Climate Change Canada]. Issued by the Inland Waters Directorate, Canada Centre for Inland Waters. Includes bibliographical references. "A simplified technique for characterizing the colour of the water is to measure, in situ, the upwelling radiance at two wavelengths and express these as a ratio or colour index"--Introd. gccst Water quality gccst Lakes Colours MacPhail, H. W. Jerome, John H. (John Harvey) Canada. Environment Canada. Canada. Inland Waters Directorate. Canada Centre for Inland Waters. Scientific series (Canada. Inland Waters Directorate) no. 49 (CaOODSP)9.823618 PDF 1.33 MB https://publications.gc.ca/collections/collection_2018/eccc/En36-502-49-eng.pdf