00000nam 2200000za 4500 9.851870 CaOODSP 20241203113642 cr ||||||||||| 180215s1978 oncd||||o f000 0 eng d CaOODSP eng eng fre n-cn-on n-us-ny En36-502/90E-PDF Chan, C. H. Short-term variation of the chemical composition of the Niagara River [electronic resource] / C.H. Chan and A.H. Clignett. Burlington, Ont. : Fisheries and Environment Canada, 1978. v, 30 p. : charts. Scientific series ; no. 90 Digitized edition from print [produced by Environment and Climate Change Canada]. Issued by the Inland Waters Directorate, Ontario Region, Water Quality Branch. Includes bibliographical references. "A daily sampling program has been established by the Water Quality Branch, Department of Fisheries and the Environment, at Niagara-on-the-Lake to obtain refined loading estimates of phosphorus, nitrogen and major ions into Lake Ontario from the Niagara River. The accuracy of the daily data within a week is measured against data collected at hourly intervals"--Abstract. Includes abstract in French. gccst Rivers gccst Water quality Clignett, A. H. Canada. Environment Canada. Canada. Fisheries and Environment Canada. Canada. Inland Waters Directorate. Ontario Region. Water Quality Branch. Scientific series (Canada. Inland Waters Directorate) no. 90 (CaOODSP)9.823618 PDF 1.15 MB https://publications.gc.ca/collections/collection_2018/eccc/En36-502-90-eng.pdf