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Accession Number PB2013-106345
Title California State Waters Map Series--Hueneme Canyon and Vicinity, California.
Publication Date 2012
Media Count 45p
Personal Author A. C. Ritchie C. A. Endris E. L. Phillips F. L. Wong G. R. Cochrane H. G. Greene K. B. Clahan L. M. Krigsman M. M. Yoklavich N. E. Golden P. Dartnell R. G. Kvitek R. W. Sliter S. Y. Johnson W. R. Normark
Abstract In 2007, the California Ocean Protection Council initiated the California Seafloor Mapping Program (CSMP), designed to create a comprehensive seafloor map of high-resolution bathymetry, marine benthic habitats, and geology within Californias State Waters. The program supports a large number of coastal-zone- and ocean-management issues, including the California Marine Life Protection Act (MLPA) (California Department of Fish and Game, 2008), which requires information about the distribution of ecosystems as part of the design and proposal process for the establishment of Marine Protected Areas. A focus of CSMP is to map Californias State Waters with consistent methods at a consistent scale. The CSMP approach is to create highly detailed seafloor maps through collection, integration, interpretation, and visualization of swath sonar data (the undersea equivalent of satellite remote-sensing data in terrestrial mapping), acoustic backscatter, seafloor video, seafloor photography, high-resolution seismic-reflection profiles, and bottom-sediment sampling data. The map products display seafloor morphology and character, identify potential marine benthic habitats, and illustrate both the surficial seafloor geology and shallow (to about 100 m) subsurface geology. It is emphasized that the more interpretive habitat and geology maps rely on the integration of multiple, new high-resolution datasets and that mapping at small scales would not be possible without such data. This approach and CSMP planning is based in part on recommendations of the Marine Mapping Planning Workshop (Kvitek and others, 2006), attended by coastal and marine managers and scientists from around the state. That workshop established geographic priorities for a coastal mapping project and identified the need for coverage of lands from the shore strand line (defined as Mean Higher High Water; MHHW) out to the 3-nautical-mile (5.6-km) limit of Californias State Waters. Unfortunately, surveying the zone from MHHW out to 10-m water depth is not consistently possible using ship-based surveying methods, owing to sea state (for example, waves, wind, or currents), kelp coverage, and shallow rock outcrops. Accordingly, some of the maps presented in this series commonly do not cover the zone from the shore out to 10-m depth; these no data zones appear pale gray on most maps.
Keywords Bathymetry
California Marine Life Protection Act(MLPA)
California Seafloor Mapping Program(CSMP)
Coastal zone
Marine habitats
Ocean management
Remote-sensing data
Seafloor map

Source Agency US Geological Survey
NTIS Subject Category 48B - Natural Resource Management
57Z - Zoology
57H - Ecology
Corporate Author Geological Survey, Reston, VA.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1316
Contract Number N/A

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