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The purpose of this GeoTIFF is to publish the acoustic backscatter of the seafloor acquired with the 117-kHz SWATHplus interferometric sonar offshore of Massachusetts within northern Cape Cod Bay. The Klein 3000 sidescan sonar was primary sonar used to acquire acoustic backscatter during surveys 06012, 07001, 07002, and 08002. However, during August 1-2, 2007 (07002), the winch used to deploy the Klein 3000 sidescan sonar towfish was inoperable. The acoustic backscatter acquired with the 117-kHz SWATHplus interferometric sonar was processed to cover this data gap in the Klein 3000 backscatter data.
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Are there legal restrictions on access or use of the data?Access_Constraints: None.
Use_Constraints:These data are not for navigational use. Public domain data from the U.S. Government are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) as the source of this information.
Neither the U.S. Government, the Department of the Interior, nor the USGS, nor any of their employees, contractors, or subcontractors, make any warranty, express or implied, nor assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, nor represent that its use would not infringe on privately owned rights. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Data format: | WinZip file containing a GeoTIFF backscatter collected by the U.S. Geological Survey with a SEA 117 kHz interferometric sonar offshore of Massachusetts within Northern Cape Cod Bay. in format GeoTIFF (version PCI v. 10.1) GeoTIFF Size: 16.0 |
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Network links: |
http://pubs.usgs.gov/of/2010/1006/GIS/raster/backscatter/CCB_Swath_bs_1m.zip |
Media you can order: | DVD-ROM (Density 4.75 Gbytes) (format UDF) |
This Zip file contains a GeoTIFF image and world file. To utilize these data the user must have an image viewer, image processing or GIS software package capable of importing a GeoTIFF image.