Sea floor maps showing topography, sun-illuminated topographic imagery, and backscatter intensity of the Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts

Online link https://cmgds.marine.usgs.gov/catalog/whcmsc/open_file_report/ofr2000-410/ofr00-410.faq.html
Description This data set contains the sea floor topographic contours, sun-illuminated topographic imagery, and backscatter intensity generated from a multibeam sonar survey of the Stellwagen Bank National Marine Sanctuary region off Boston, Massachusetts, an area of approximately 1100 square nautical miles. The Stellwagen Bank NMS Mapping Project is designed to provide detailed maps of the Stellwagen Bank region's environments and habitats and the first complete multibeam topographic and sea floor characterization maps of a significant region of the shallow EEZ. Data were collected on four cruises over a two year period from the fall of 1994 to the fall of 1996. The surveys were conducted aboard the Candian Hydrographic Service vessel Frederick G. Creed, a SWATH (Small Waterplane Twin Hull) ship that surveys at speeds of 16 knots. The multibeam data were collected utilizing a Simrad Subsea EM 1000 Multibeam Echo Sounder (95 kHz) that is permanently installed in the hull of the Creed. [More]
Originators Valentine, Page C.; Middleton, Tammie J.; and Fuller, Sarah J.

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Reduced-size copy of the backscatter image with topography (color indicates backscatter, shading indicates topography) 351x599 pixels, 32-bit RGB true color, 120 kbytes.
Reduced-size copy of the backscatter image with topography (color indicates backscatter, shading indicates topography) 351x599 pixels, 32-bit RGB true color, 120 kbytes.