San Francisco Bay Properties

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Presentation transcript:

San Francisco Bay Properties A Characterization of the Waters inside the Bay For OC3570 – Operational Oceanography Prof. C. Collins, Prof. P. Guest Presented by LT Jonathan D. Morrison, USN

Motivation Personal Interest Professional Interest Coastal research Seasonal and long-term trends Spatial variation Our impact What Bay can provide

Expectations Properties of interest Short time-scale Temperature Salinity Fluorescence Transmissivity Short time-scale Latitudinal variations

Method 21 Stations 24-hour period CTD Casts to bottom Data processing Each measured twice 24-hour period Two tidal periods Same point on tidal curve CTD Casts to bottom 5 ~ 90m Data processing MATLAB SURFER 8

Tides for Data Collection Carquinez St. Redwood City

(a) (b) (c)

Temperature Leg 1 Leg 2 7/22 20:11 (max fl) 7/22 11:11 (h) 7/22 7/23 00:29 (ebb) Leg 2 7/23 08:52 (l sl) Redwood City Golden Gate Carquinez Strait 7/23 04:25 (l sl)

Salinity Leg 1 Leg 2 7/22 20:11 (max fl) 7/22 11:11 (h) 7/22 7/23 00:29 (ebb) Leg 2 7/23 08:52 (l sl) Redwood City Golden Gate Carquinez Strait 7/23 04:25 (l sl)

Fluorescence Leg 1 Leg 2 7/22 20:11 (max fl) 7/22 11:11 (h) 7/22 7/23 00:29 (ebb) Leg 2 7/23 08:52 (l sl) Redwood City Golden Gate Carquinez Strait 7/23 04:25 (l sl)

Transmissivity Leg 1 Leg 2 7/22 20:11 (max fl) 7/22 11:11 (h) 7/22 7/23 00:29 (ebb) Leg 2 7/23 08:52 (l sl) Redwood City Golden Gate Carquinez Strait 7/23 04:25 (l sl)

Temperature Leg 1 Leg 2 7/22 18:11 (fl) 7/22 23:04 (ebb) 7/23 03:11 (l sl) Depth (m) Dist from stn 1 (km) 7/23 07:29 (fl) Leg 2 7/22 18:11 (l sl) Depth (m) Dist from stn 1 (km) Redwood City Golden Gate Carquinez Strait 7/23 11:25 (h sl)

Salinity Leg 1 Leg 2 7/22 18:11 (fl) 7/22 23:04 (ebb) 7/23 03:11 (l sl) Depth (m) Dist from stn 1 (km) 7/23 07:29 (fl) Leg 2 7/22 18:11 (l sl) Depth (m) Dist from stn 1 (km) Redwood City Golden Gate Carquinez Strait 7/23 11:25 (h sl)

Fluorescence Leg 1 Leg 2 7/22 18:11 (fl) 7/22 23:04 (ebb) 7/23 03:11 (l sl) Depth (m) Dist from stn 1 (km) 7/23 07:29 (fl) Leg 2 7/22 18:11 (l sl) Depth (m) Dist from stn 1 (km) Redwood City Golden Gate Carquinez Strait 7/23 11:25 (h sl)

Transmissivity Leg 1 Leg 2 7/22 18:11 (fl) 7/22 23:04 (ebb) 7/23 03:11 (l sl) Leg 1 Depth (m) Dist from stn 1 (km) 7/23 07:29 (fl) Leg 2 7/22 18:11 (l sl) Depth (m) Dist from stn 1 (km) Redwood City Golden Gate Carquinez Strait 7/23 11:25 (h sl)

Conclusions Impact Spatial variations Temporal Variations Man Environment Spatial variations Temporal Variations

Future Research Tidal variations Seasonal variations

References Surfer 8 User Guide Conomos, T.J., ed. San Francisco Bay: The Urbanized Estuary. Pacific Division, AAAS; San Francisco, CA. 1979.

Acknowledgements Officers and Crew of M/V Point Sur Prof. Curtis Collins, Prof. Peter Guest Mr. Tare Rago LT Roland, LT Dare, LT Hsieh Moss Landing Marine Laboratories