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San Francisco Bay Bathymetry

Using this 100m grid cell representation of the Bay we can compute some primary geomorphic features of the basin--such as surface area and volume--for a given tidal datum, and compare these and other statistical properties in the sub-basins of San Francisco Bay.

Depth frequency at mean sea level

FULL BAY

TIDAL DATUM VOLUME (Mm3) SURFACE AREA (Mm2) AVG. DEPTH
VOL/AREA (m)
MEDIAN DEPTH (m)
MLLW 7142 1138 6.3 2.8
MSL 8446 1219 6.9 3.6
MHHW 9570 1244 7.7 4.4

San Francisco Bay Sub-Basins

Properties based on the Mean Sea Level grid

PROPERTY SOUTH BAY CENTRAL BAY SAN PABLO BAY SUISUN BAY
Area (Mm2) 426.8 326.3 273.4 169.6
Volume (Mm3) 1971 4388 1016 990
Average depth (m) 4.6 13.4 3.7 5.8
Median depth (m) 3.2 10.9 2.5 3.6
% Area
< 5 m
69 32 82 57

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URL:http://sfbay.wr.usgs.gov/sediment/sfbay/geostat.html
Page Last Modified: Thursday, 13-Dec-2007 12:22:40 PST