In the 1980s it was agreed that a scheme to protect against a one-in-five-year storm would be practicable; it would reduce flood depth and duration in more severe storms.
在20世纪80年代，一项能对抗5年一遇风暴的计划被提出，这将缩小淹水的深度和缩短风暴肆虐的时间。