Sediment transport and resulting deposition in spawning gravels, north coastal California
Lisle TE. 1989. Sediment transport and resulting deposition in spawning gravels, north coastal California. Water Resources Research. 25(6):1303-1319
Prairie Creek in Redwood National and State Parks, Jacoby Creek (near Eureka, California), and North Caspar Creeks (near Fort Bragg, California) were studied in this examination of fine sediment and its effects on incubating salmonid eggs. The transport of this sediment is assessed in relation to effects following 10 storm flows. While most of the total load during storms consists of suspended sediment, most of the resulting deposition of fine sediment comes from bed load material. Effects on spawning gravels include formation of a seal: after the top several inches are filled with fine sand, little more is able to penetrate. The variations in sedimentation that the author found show that moderate storm flows are likely to threaten eggs in many of the areas used by salmonids for spawning, but not in all. It includes maps, cross sections, graphs of discharge and sediment data, and tables.
- Type
- Journal Article
- Authors
- Lisle, Thomas
- Units
- REDW
- Keywords
- Deposition, Eggs, Fish Habitat, Physical Sciences, Prairie Creek, Presence (Biodiversity), Rivers, Salmonids, Sediment Transport, Spawning, Storms, Streams, Taxa Links To References