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The Relief Outlets and By-Passes of the Sacramento Valley Flood-Control Project
The Sacramento River, throughout a large portion of its course from Red Bluff at the upper end of the Sacramento Valley to its outfall into Suisun Bay, flows between banks which are considerably higher than the adjacent valley land. The channel dimensions of the river are in places quite inadequate to carry the extreme floods, as illustrated by one stretch of river, more than 60 miles long, where only about one-eighth of the water at such a flood stage flows in the river. The remainder, under natural conditions, spilled over the bank into the flood basins which paralleled the river. The flood-control project, taking account of these physical characteristics, includes as essential features, not only relief outlets (spillways), but, also, selected areas between levees, so-called by-passes, to which the outgoing water is confined and in which it is carried down the valley to a re-entry into the river at points below which it has larger capacity. The application of such relief outlets and by-passes to the flood control in Sacramento Valley is here described.
The Relief Outlets and By-Passes of the Sacramento Valley Flood-Control Project
The Sacramento River, throughout a large portion of its course from Red Bluff at the upper end of the Sacramento Valley to its outfall into Suisun Bay, flows between banks which are considerably higher than the adjacent valley land. The channel dimensions of the river are in places quite inadequate to carry the extreme floods, as illustrated by one stretch of river, more than 60 miles long, where only about one-eighth of the water at such a flood stage flows in the river. The remainder, under natural conditions, spilled over the bank into the flood basins which paralleled the river. The flood-control project, taking account of these physical characteristics, includes as essential features, not only relief outlets (spillways), but, also, selected areas between levees, so-called by-passes, to which the outgoing water is confined and in which it is carried down the valley to a re-entry into the river at points below which it has larger capacity. The application of such relief outlets and by-passes to the flood control in Sacramento Valley is here described.
The Relief Outlets and By-Passes of the Sacramento Valley Flood-Control Project
Grunsky, C. E. (author)
Transactions of the American Society of Civil Engineers ; 93 ; 791-811
2021-01-01
211929-01-01 pages
Article (Journal)
Electronic Resource
Unknown
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