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首页> 美国政府科技报告 >Salinity and Temperature in South San Francisco Bay, California, at Dumbarton Bridge: Measurements from the 1995-1998 Water Years and Comparisons with Results from the 1990-1993 Water Years.
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Salinity and Temperature in South San Francisco Bay, California, at Dumbarton Bridge: Measurements from the 1995-1998 Water Years and Comparisons with Results from the 1990-1993 Water Years.

机译：加利福尼亚州旧金山湾Dumbarton桥的盐度和温度：1995-1998水年的测量结果与1990-1993水年的结果比较。

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Salinity and temperature of near surface waters were measured during the 1995-1998 water years (WY) at Dumbarton Bridge in South San Francisco Bay. This report presents the methods, describes the results, and provides numerical values for the measurements in ASCII text files on the enclosed IBM formatted disk. The four years of this study were unusual in that they were the first extended period of greater-than-normal rainfall and river inflow to San Francisco Bay since the early 1980's. Results from 1995WY- 1998WY provide detailed information on the influences of freshwater inflows (from the Sacramento-San Joaquin Delta and from local streams) and climate and weather-related events and processes on salinity and temperature at the study site. Earlier records from this site were collected over the 1990-1993 water years, the first three years of which had lower-than-normal rainfalls and freshwater inflows. Comparisons of the 1995WY-1998WY record with measurements from 1990WY-1992WY showed generally higher salinity and less variability in salinity during the dry years. Details show a rapid response to local freshwater inflows and the influence of the general freshening of the bay by Delta outflow during the wet winters. Records from both ,vet and dry years show that salinity and temperature respond to weather events and climate variations over time scales of days to months.

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