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Open-File Report 98-475

A jointly funded project by the U.S. Environmental Protection Agency, and the U.S. Geological Survey Conducted under a Cooperative Agreement between the US Geological Survey and the Ocean Mapping Group, University of New Brunswick

Cruise Report; RV Ocean Alert Cruise A2-98-SC; Mapping the Southern California Continental Margin; March 26 through April 11, 1998; San Diego to Long Beach, California

By James V. Gardner and Larry A. Mayer

Thumbnail of and link to report PDF (10.4 MB)Summary

The major objective of cruise A2-98 was to map portions of the southern California continental margin, including mapping in detail US Environmental Protection Agency (USEPA) ocean dumping sites. Mapping was accomplished using a high-resolution multibeam mapping system. The cruise was a jointly funded project between the USEPA and the US Geological Survey (USGS). The USEPA is specifically interested in a series of ocean dump sites off San Diego, Newport Beach, and Long Beach (see Fig. 1 in report) that require high-resolution base maps for site monitoring purposes. The USGS Coastal and Marine Geology Program has several on-going projects off southern California that lack high-precision base maps for a variety of ongoing geological studies. The cruise was conducted under a Cooperative Agreement between the USGS and the Ocean Mapping Group, University of New Brunswick, Canada.

First posted March 18, 2000

For additional information, contact:
Contact Information, Pacific Coastal and Marine Science Center
U.S. Geological Survey
Pacific Science Center
400 Natural Bridges Drive
Santa Cruz, CA 95060
http://walrus.wr.usgs.gov/

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Suggested citation:

Gardner, J. V., Mayer, L. A., 1998, Cruise Report; RV Ocean Alert Cruise A2-98-SC; Mapping the Southern California Continental Margin; March 26 through April 11, 1998; San Diego to Long Beach, California: U. S. Geological Survey Open-File Report 98-475, 26 pp., http://pubs.usgs.gov/of/1998/0475/.


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