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U.S. Geological Survey Open-File Report 2012–1161

Modeling of Depth to Base of Last Glacial Maximum and Seafloor Sediment Thickness for the California State Waters Map Series, Eastern Santa Barbara Channel, California

By Florence L. Wong, Eleyne L. Phillips, Samuel Y. Johnson, and Ray W. Sliter

Thumbnail of and link to report PDF (3 MB)Abstract

Models of the depth to the base of Last Glacial Maximum and sediment thickness over the base of Last Glacial Maximum for the eastern Santa Barbara Channel are a key part of the maps of shallow subsurface geology and structure for offshore Refugio to Hueneme Canyon, California, in the California State Waters Map Series. A satisfactory interpolation of the two datasets that accounted for regional geologic structure was developed using geographic information systems modeling and graphics software tools. Regional sediment volumes were determined from the model. Source data files suitable for geographic information systems mapping applications are provided.

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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:

Wong, F.L., Phillips, E.L., Johnson, S.Y., and Sliter, R.W., 2012, Modeling of depth to base of Last Glacial Maximum and seafloor sediment thickness for the California State Waters Map Series, eastern Santa Barbara Channel, California: U.S. Geological Survey Open-File Report 2012–1161, 16 p. and database. (Available at http://pubs.usgs.gov/of/2012/1161/.)



Contents

Abstract

Introduction

Methods

Results

Summary

Acknowledgments

References Cited

Appendix (GIS data)


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