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Open-File Report 2012–1137

Documentation of the U.S. Geological Survey Sea Floor Stress and Sediment Mobility Database

By P. Soupy Dalyander, Bradford Butman, Christopher R. Sherwood, and Richard P. Signell

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Abstract

The U.S. Geological Survey Sea Floor Stress and Sediment Mobility Database contains estimates of bottom stress and sediment mobility for the U.S. continental shelf. This U.S. Geological Survey database provides information that is needed to characterize sea floor ecosystems and evaluate areas for human use. The estimates contained in the database are designed to spatially and seasonally resolve the general characteristics of bottom stress over the U.S. continental shelf and to estimate sea floor mobility by comparing critical stress thresholds based on observed sediment texture data to the modeled stress. This report describes the methods used to make the bottom stress and mobility estimates, statistics used to characterize stress and mobility, data validation procedures, and the metadata for each dataset and provides information on how to access the database online.

First posted June 28, 2012

For additional information contact:
Director, Woods Hole Coastal and Marine Science Center
U.S. Geological Survey
384 Woods Hole Road
Quissett Campus
Woods Hole, MA 02543
(508) 548–8700

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Suggested citation:

Dalyander, P.S., Butman, Bradford, Sherwood, C.R., and Signell, R.P., 2012, Documentation of the U.S. Geological Survey Stress and Sediment Mobility Database: U.S. Geological Survey Open-File Report 2012–1137, 20 p., available at http://pubs.usgs.gov/of/2012/1137/.



Contents

Abstract

Introduction

Estimates

Stress Characterization

Contents of the Sea Floor Stress and Sediment Mobility Database

Data Format

Metadata

Data Validation

Data Review

Database Access via the Web

Acknowledgments

Selected References

Glossary


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