Results and evaluation of a pilot primary monitoring network, San Francisco Bay, California, 1978
Water-Resources Investigations Report
80-73
By: W.L. Bradford and R.T. Iwatsubo
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Abstract
A primary monitoring network of 12 stations, with measurements at 1-meter depth intervals every 2 weeks during periods of high inflow from the Sacramento-San Joaquin River delta, and every 4-6 weeks during seasonal low delta inflows, appears adequate to observe major changes in ambient water quality in San Francisco Bay. A 1-year study tested the network operation and determined that analysis of the data could demonstrate the major changes in salinity, temperature, and light-attenuation distributions known to occur, based on earlier research, in response to variations of delta inflow and to other physical processes. Observations of eddies at two stations, of the influence of water from a river flooding in the extreme south bay, and of difference in salinity and temperature laterally across the entrance to the south bay are all new but are consistent with existing models. The pH, dissolved oxygen, and light-attenuation measurements, while adequate to observe small-scale vertical variations, are not sufficiently sensitive to detect the effects of phytoplankton blooms. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Results and evaluation of a pilot primary monitoring network, San Francisco Bay, California, 1978 |
| Series title | Water-Resources Investigations Report |
| Series number | 80-73 |
| DOI | 10.3133/wri8073 |
| Edition | - |
| Year Published | 1980 |
| Language | ENGLISH |
| Description | 115 p. |
| Google Analytic Metrics | Metrics page |