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Open-File Report 2012-1266

Prepared in cooperation with the U.S. Nuclear Regulatory Commission and the National Oceanic and Atmospheric Administration

Bathymetric Terrain Model of the Atlantic Margin for Marine Geological Investigations

By Brian D. Andrews, Jason D. Chaytor, Uri S. ten Brink, Daniel S. Brothers, James V. Gardner, Elizabeth A. Lobecker, and Brian R. Calder

Thumbnail of and link to report PDF (9.78 KB)Abstract

A bathymetric terrain model of the Atlantic margin covering almost 725,000 square kilometers of sea floor from the New England Seamounts in the north to the Blake Basin in the south is compiled from existing multibeam bathymetric data for marine geological investigations. Although other terrain models of the same area are extant, they are produced from either satellite-derived bathymetry at coarse resolution (ETOPO1), or use older bathymetric data collected by using a combination of single beam and multibeam sonars (Coastal Relief Model). The new multibeam data used to produce this terrain model have been edited by using hydrographic data processing software to maximize the quality, usability, and cartographic presentation of the combined 100-meter resolution grid. The final grid provides the largest high-resolution, seamless terrain model of the Atlantic margin.

First posted December 3, 2013

Revised May 25, 2016



Report

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
http://woodshole.er.usgs.gov/

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Suggested citation:

Andrews, B.D., Chaytor, J.D., ten Brink, U.S., Brothers, D.S., Gardner, J.V., Lobecker, E.A., and Calder, B.R., 2016, Bathymetric terrain model of the Atlantic margin for marine geological investigations (ver. 2.0, May 2016): U.S. Geological Survey Open-File Report 2012–1266, 19 p., 1 pl., http://dx.doi.org/10.3133/ofr20121266.

  ISSN 2331-1258 (online)



Contents

Abstract

Introduction

Setting

Methods

Bathymetry

Sediment Distribution

Bottom Photography

GIS Data Catalog

Summary

Acknowledgments

References

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