| Abstract: | Sediment data collected in the upper Arroyo Grande and Santa Rita Creek basins, San Luis Obispo County, California, during the 1968-73 water years were analyzed to determine total sediment discharge at four stations in the basins. Water discharge and total sediment discharge at these stations, representative of the 1943-72 period, were estimated from long-term flow data for nearby gaging stations and water-sediment discharge relations determined for the 1968-73 water years. Most of the total annual sediment discharge at each station occurs during a few days each year. The quantity of sediment transported in a single day often accounts for more than 40 percent of the total annual sediment discharge. Estimated sediment discharge for the upper Arroyo Grande and Santa Rita Creek basins during the 1943-72 water years averaged 53,000 tons and 23,000 tons per year. Long-term sediment deposition in Lopez Reservoir, which is in the southern part of the upper Arroyo Grande basin, was estimated to be 35 acre-feet per year. (Woodard-USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 28077 |
| Citation Author: | Knott, J. M. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | v, 29 p. :ill., maps ;27 cm. |
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| Citation Publisher: | U.S. Geological Survey, Water Resources Division, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 76-64 |
| Citation Search Results Text: | Sediment discharge in the Upper Arroyo Grande and Santa Rita Creek basins, San Luis Obispo County, California; 1976; WRI; 76-64; Knott, J. M. |
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| Citation Year: | 1976 |
| Type: | citation/reference |
| Text: | Sediment discharge in the Upper Arroyo Grande and Santa Rita Creek basins, San Luis Obispo County, California; 1976; WRI; 76-64; Knott, J. M. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, Water Resources Division, |
