00000nam 2200000zi 4500 9.874634 CaOODSP 20241203113650 m o d f cr |n||||||||| 190611s1990 oncd #ot f000 0 eng d CaOODSP eng rda CaOODSP eng fre n-cn-ab En13-5/90-45E-PDF Esterby, S. R., author. The estimation of water quality changes between locations within a river system / S.R. Esterby, A.H. El-Shaarawi and H.O. Block. Burlington, Ontario : National Water Research Institute, [1990] 1 online resource (16, 15 pages) : figures. text txt rdacontent computer c rdamedia online resource cr rdacarrier NWRI contribution ; no. 90-45 Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Five locations on the Bow and South Saskatchewan Rivers, varying from a headwater site to a site below urban and agricultural regions, are compared for differences between concentration and flux of sodium and nitrate plus nitrite for the years 1984 to 1986. The hydrological regime displays marked seasonality and differences between upper and lower locations due to differing sources over the year. Two general methods of statistical analysis, both of which account for seasonality, are used to compare locations"--Abstract. Includes abstract in French. gccst Water quality gccst Rivers El-Shaarawi, A. H., author. Block, H. O., author. Canada. Environment Canada. National Water Research Institute (Canada) NWRI contribution ; no. 90-45. (CaOODSP)9.844121 PDF 2.64 MB https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-90-45-eng.pdf