00000nam 2200000za 4500 9.849279 CaOODSP 20241203113641 cr ||||||||||| 171228s1986 onc fob|||f000 0 eng d CaOODSP eng eng fre n-cn-ns En13-5/86-1E-PDF Thompson, Mary E. Chemical trends in coastal rivers of eastern Canada [electronic resource] / by Mary E. Thompson. Burlington, Ont. . : Aquatic Physics and Systems Division, National Water Research Institute, Canada Centre for Inland Waters, 1986. 8, [3] p. NWRI contribution ; 86-1 "January 1986". "This manuscript was presented at the Hudson River Foundation Conference on Acidification and Anadromous Fish of the Atlantic Estuaries and submitted to the Water, Air, and Soil Pollution Journal for publication and the contents are subject to change". "Control No. AP229". Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references. "Since the early l970s, excess sulfate yields of rivers in Nova Scotia and Newfoundland have decreased considerably, and the pHs of those rivers not dominated by organic acids have risen accordingly. Rates of wet deposition of excess sulfate in these areas have been monitored over a shorter time period, but from l98l to I983, have decreased dramatically at Kejimkujik National Park, Nova Scotia"--Exec. summary. Includes executive summary and abstract in English and French. gccst Rivers gccst Water quality Canada. Environment Canada. National Water Research Institute (Canada) NWRI contribution ; no. 86-1 (CaOODSP)9.844121 PDF 826 KB https://publications.gc.ca/collections/collection_2017/eccc/En13-5-86-1-eng.pdf