THE RED RIVER FLOOD CONTROL SYSTEM AND RECENT FLOOD EVENTS by W. F. Rannie.
: The 1950 flood disaster in the Red River Valley, Manitoba, and particularly Winnipeg made all levels of government aware need for control measures. principal elements system which was implemented were two large excavated diversion channels, a storage reservoir, ring dykes around several small communities. In terms cost size, is largest Canada despite Federal contributions amounting to nearly 60 percent final cost, it represented considerable fiscal burden comparatively population Manitoba. Between opening Floodway 1968 1979, series exceptional spring peak flows on Assiniboine Rivers demonstrated benefits such degree could not have been anticipated at time projects being considered. Furthermore, maximum discharges from 1913 1978 show clear rising trend, indicating that hazard becoming even more severe than initially assumed; if this trend continues, future will continue exceed expectations. overall effectiveness reduction program however, has suffered continued development unprotected areas. Recent federal-provincial agreements reached substantially reduce problem place greater emphasis improving non-structural components an program.
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