|Scour_outliers||Areas of scour depressions and associated erosional outliers, which are characterized by steep, half-meter deep sides and flat floors.|
|Boulders||Areas of rocks on the sea floor, characterized by objects up to several meters in diameter and height based on bathymetric, sidescan-sonar, and photographic data.|
|Sand waves||Areas of megaripples and sand waves on the sea floor, characterized by tiger striped backscatter and wave-shaped bedforms in the bathymetry data.|
|Trawl marks||Areas with small troughs on the sea floor from dragging fishing gear.|
To release interpretations of bottom features based on bathymetry and sidescan-sonar data (where available) collected during NOAA survey H12296 and sediment samples and bottom photography collected during USGS survey 2012-002-FA in Block Island Sound in a geographic, WGS 84 coordinate system.
Are there legal restrictions on access or use of the data?
Use_Constraints:The interpretation was completed at map scales less than 1:10,000, and is not intended for use with smaller map scales. 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 the National Oceanic and Atmospheric Administration (NOAA), 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 or NOAA 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:||A zip file containing the geospatial data, metadata, and browse graphic. in format SHP (version ArcMap 9.3) Esri polygon shapefile Size: 0.19|
|Media you can order:||DVD-ROM (Density 4.75 Gbytes) (format UDF)|
The user must be capable of uncompressing WinZip files. Also, these data are available in Environmental Systems Research Institute (Esri) shapefile format. The user must have ArcGIS or ArcView 3.0 or greater software to read and process the data file. In lieu of ArcView or ArcGIS, the user may utilize another GIS application package capable of importing data. A free data viewer, ArcGIS Explorer, capable of displaying the data is available from Esri at www.esri.com.