. Bulletin. Science; Natural history; Natural history. 96 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES Station GSD-midshore (1/89-12/92) 34,520 measurements ( years) North. -fast Fig. South Relative transport by ocean currents near Goleta outfall. ronment during periods of stormwater runoff (Jagger 1993). The study area in- cludes several small creeks and Goleta slough. Goleta Slough, Arroyo Burrow Creek, and Mission creek were sampled for total and fecal coliform and standard plate count at six hour intervals during rainfall periods in the last half of 1988. During and following rainfall, large


. Bulletin. Science; Natural history; Natural history. 96 SOUTHERN CALIFORNIA ACADEMY OF SCIENCES Station GSD-midshore (1/89-12/92) 34,520 measurements ( years) North. -fast Fig. South Relative transport by ocean currents near Goleta outfall. ronment during periods of stormwater runoff (Jagger 1993). The study area in- cludes several small creeks and Goleta slough. Goleta Slough, Arroyo Burrow Creek, and Mission creek were sampled for total and fecal coliform and standard plate count at six hour intervals during rainfall periods in the last half of 1988. During and following rainfall, large amounts of bacteria reach the coastal envi- ronment as the runoff washes bacteria from numerous sources in the watershed (Brown and Caldwell 1989a). The bacterial contribution from local creeks on a rainy day is compared to that from chlorinated discharges for the Goleta Sanitary District and City of Santa Barbara in Table 1. As presented in Table 1, the mass emission of bacteria from creeks during one rainy day exceed the year-long mass emission from disinfected discharges. These values represent a 1-day contribution of bacteria during a winter storm event on December 17, 1988. The GSD discharge has been disinfected by chlo- rination since October 1986. The City of Santa Barbara began chlorination in early 1988, and disinfection continues to date except for a 5-week period during the 1988 oyster studies (November 15-December 21, 1988). Hence, data pre-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Southern California Academy of Sciences. Los Angeles, Calif. : The Academy


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