Box 1
Contains 37 Results:
Arroyo Mocho near Pleasanton, December 2, 1983
Photograph taken looking upstream from Santa Rita Road Bridge. Bedload was composed of silts and sand with sparse gravel clasts intermixed.
Arroyo de la Laguna, December 2, 1983
Photograph taken looking upstream from Bernal Bridge off of Highway 680. There was a construction site to the left of the photograph from which material was being dumped into the stream. Point bars were composed of sand and fine gravel.
San Ramon Creek at Walnut Creek, December 2, 1983
Photograph was taken looking upstream from the San Ramon Creek Bridge. No bed material was visible in the area.
Lagunitas Creek near Point Reyes Station, December 5, 1983
Photograph taken from bridge leading to the California Cooperative Creamery off Petaluma - Pt. Reyes Station road. Looking upstream large point bar primarily of gravel with some sand at the lower extent and present in the inlets is seen. It rained the weekend before the photograph was taken.
Lagunitas Creek near Point Reyes Station, December 5, 1983
Close-up of the point bar showing the medium gravel size and sand present in inlet.
Lagunitas Creek near Point Reyes Station, December 5, 1983
Photograph taken from bridge leading to the California Cooperative Creamery off Petaluma - Pt. Reyes road. Looking downstream; lack of point bar allows plants to grow down into the creek, thus roughness, represented by the point bar upstream, is represented downstream by the trees.
Walker Creek, December 5, 1983
Photograph taken about 1.5 miles from mouth, 100m from road bridge looking downstream. Point bar is composed of silt and sand with some gravels at the extreme upper end of the bar. The floodplain, from which the picture was taken, is extreme in extent reaching 100m wide. Upstream from where the photograph was taken, trees are growing on the floodplain where it meets the point bar.
Novato Creek at Novato, December 5, 1983
Photograph taken looking downstream from gage station. Creek is very natural looking considering the extent of urbanization that has occurred in this area. The gravels contained in the bars seem to be of a uniform size, and the stream seems to be in equilibrium with no erosion or aggradation occurring at site. At the station there is evidence of fill from the parking lot which has covered the natural slope of the creek.
Novato Creek at Novato, December 5, 1983
Photograph taken near the center of the point bar where the cross-section was made. The average size of the gravel is about 3cm. Photograph taken looking upstream.
Arroyo Corte Madera del Presidio at Mill Valley, December 7, 1983
Photograph taken looking upstream from a foot bridge behind the nursery. Area heavily urbanized, stream's path is dictated by parking lots and buildings.