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Western Coastal & Marine Geology

U.S. Geological Survey
Open-File Report 98-139
Version 1.0

Multibeam Data and Socio-Economic Issues in West-Central San Francisco Bay

by John L. Chin, Paul R. Carlson, Florence L. Wong, and David A. Cacchione

Multibeam Image of SF Bay

Recent investigations by the USGS in the San Francisco Bay estuary help address both socio-economic and scientific issues:

  • How much rock must be trimmed from pinnacles on the bayfloor to provide safe navigation by deep-draft vessels?
  • What would be the environmental and societal consequences of a large oil spill?
  • What are the consequences of long-term dredging operations?
  • What types of bayfloor are important habitats for commercial and recreational fisheries?
  • What types of sediment cover the bayfloor?
  • What are the sediment distribution, volume, and rates of transport?


See also:

Chin, John L., Wong, Florence L., and Carlson, Paul R, 2004, Shifting shoals and shattered rocks--how man has transformed the floor of west-central San Francisco Bay: USGS Circular 1259, 30 p.  []

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