q1_1mctr |
Simrad EM 1000 |
1-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangle 1 |
Bradford Butman |
q1_5mctr |
Simrad EM 1000 |
5-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangle 1 |
Bradford Butman |
q1_backgs |
Simrad EM 1000 |
6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 1 |
Bradford Butman |
q1_backpc |
Simrad EM 1000 |
6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 1, pseudo-colored by backscatter intensity |
Bradford Butman |
q1_bathy6m |
Simrad EM 1000 |
6-m resolution grid of multibeam bathymetry in western Massachusetts Bay map Quadrangle 1 |
Bradford Butman |
q1_srelief |
Simrad EM 1000 |
6-m resolution gray-scale image of shaded-relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 1 |
Bradford Butman |
q2_1mctr |
Simrad EM 1000 |
1-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangle 2 |
Bradford Butman |
q2_5mctr |
Simrad EM 1000 |
5-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangle 2 |
Bradford Butman |
q2_backgs |
Simrad EM 1000 |
6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 2 |
Bradford Butman |
q2_backpc |
Simrad EM 1000 |
6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 2, pseudo-colored by backscatter intensity |
Bradford Butman |
q2_bathy6m |
Simrad EM 1000 |
6-m resolution grid of multibeam bathymetry in western Massachusetts Bay map Quadrangle 2 |
Bradford Butman |
q2_srelief |
Simrad EM 1000 |
6-m resolution gray-scale image of shaded-relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 2 |
Bradford Butman |
q3_1mctr |
Simrad EM 1000 |
1-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangle 3 |
Bradford Butman |
q3_5mctr |
Simrad EM 1000 |
5-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangle 3 |
Bradford Butman |
q3_backgs |
Simrad EM 1000 |
6-m resolution gray-scale image of multibeam backscatter intensity in western Massachusetts Bay map Quadrangle 3 |
Bradford Butman |
q3_backpc |
Simrad EM 1000 |
6-m resolution image of shaded relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 3, pseudo-colored by backscatter intensity |
Bradford Butman |
q3_bathy6m |
Simrad EM 1000 |
6-m resolution grid of multibeam bathymetry in western Massachusetts Bay map Quadrangle 3 |
Bradford Butman |
q3_srelief |
Simrad EM 1000 |
6-m resolution gray-scale image of shaded-relief multibeam bathymetry in western Massachusetts Bay map Quadrangle 3 |
Bradford Butman |
wmb_1mctr |
Simrad EM 1000 |
1-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangles 1-3 |
Bradford Butman |
wmb_5mctr |
Simrad EM 1000 |
5-m interval contours of smoothed multibeam bathymetry in western Massachusetts Bay map Quadrangles 1-3 |
Bradford Butman |
wmb_bathy6m |
Simrad EM 1000 |
6-m resolution grid of multibeam bathymetry of western Massachusetts Bay map Quadrangles 1-3 |
Bradford Butman |
mb_5mctr9x9 |
Simrad EM 1000 |
5-m interval contours of smoothed multibeam bathymetry of Massachusetts Bay. The series report also provides an unsmoothed version of the 5-m contours. |
Brad Butman |
mb_10mctr9x9 |
Simrad EM 1000 |
10-m interval contours of smoothed multibeam bathymetry of Massachusetts Bay. The series report also provides an unsmoothed version of the 10-m contours. |
Brad Butman |
mb_backgs10m |
Simrad EM 1000 |
10-m resolution gray-scale image of multibeam backscatter intensity in Massachusetts Bay. Also available from the series report in 20m and 30m resolutions. |
Bradford Butman |
mb_backpc10m |
Simrad EM 1000 |
10-m resolution image of shaded relief multibeam bathymetry in Massachusetts Bay, pseudocolored by backscatter intensity. Also available from the series report in 20-m and 30-m resolutions. |
Bradford Butman |
mb_bathygs10m |
Simrad EM 1000 |
10-m resolution gray-scale image of multibeam bathymetry in Massachusetts Bay. Also available from the series report in 20-m and 30-m resolutions. |
Bradford Butman |
mb_srelief10m |
Simrad EM 1000 |
10-m resolution image of shaded relief multibeam bathymetry in Massachusetts Bay. Also available from the series report in 20m and 30m resolutions. |
Bradford Butman |
mb_bathyclr10m |
Simrad EM 1000 |
10-m resolution image of shaded relief multibeam bathymetry in Massachusetts Bay, colored by water depth. Also available from the series report in 20-m and 30-m resolutions. |
Bradford Butman |
mb_bathy10m |
Simrad EM 1000 |
10-m resolution grid of multibeam bathymetry in Massachusetts Bay. Also available from the series report in 20m and 30m resolutions. |
Bradford Butman |
bathy_SIM2840 |
Simrad EM 1000 |
Digital vector bathymetric/topographic contours of the sea floor in the Stellwagen Bank National Marine Sanctuary region (5-m contours) |
Page C Valentine |
bcksctter_SIM2840 |
Simrad EM 1000 |
Backscatter intensity and sun-illuminated topographic imagery of the seafloor in the Stellwagen Bank National Marine Sanctuary region. |
Page C Valentine |
ridges0_SIM2840 |
Simrad EM 1000 |
Boulder ridges less than 1 m high on the sea floor of the Stellwagen Bank National Marine Sanctuary region. The boulder ridges were identified using multibeam topographic imagery and backscatter intensity of the seabed and video and photographic images collected from 1994 to 2003. |
Page C Valentine |
ridges1_SIM2840 |
Simrad EM 1000 |
Boulder ridges greater than or equal to 1 m high on the sea floor of the Stellwagen Bank National Marine region. The boulder ridges were identified using multibeam topographic imagery and backscatter intensity of the seabed and video and photographic images collected from 1994 to 2003. |
Page C Valentine |
sbnmsallsta_SIM2840 |
Simrad EM 1000 |
Sample and video stations located in the Stellwagen Bank National Marine Sanctuary region. Stations represent the location of a sediment sample and/or the end of a video transect. |
Page C Valentine |
sbnmsallvid_SIM2840 |
Simrad EM 1000 |
Video transects of the sea floor in the Stellwagen Bank National Marine Sanctuary region. This dataset contains polylines showing extents of video transects documenting seabed characteristics in the Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts, an area of approximately 1100 nautical square miles. |
Page C Valentine |
slope_SIM2840 |
Simrad EM 1000 |
Sea floor slope analysis for the Stellwagen Bank National Marine Sanctuary region. The slope analysis provides an interpretation of the seabed features in the highly variable geomorphology of the Stellwagen Bank National Marine Sanctuary region. |
Page C Valentine |
sunillum_SIM2840 |
Simrad EM 1000 |
Sun-illuminated topographic imagery of the seafloor in the Stellwagen Bank National Marine Sanctuary region |
Page C Valentine |
q6_13mbathy |
Simrad EM 1000 |
Swath bathymetry 13-m-cell-size grid of quadrangle 6 on Stellwagen Bank offshore of Boston, Massachusetts collected by the U.S. Geological Survey aboard the Frederick G. Creed from 1994-1996 |
Page C Valentine |
SIM3341_geologic_interp |
Simrad EM 1000 |
Polygon shapefile of the interpretation of the seabed geologic substrates in quadrangle 6 of the Stellwagen Bank National Marine Sanctuary region offshore of Boston, Massachusetts based on data collected by the U.S. Geological Survey from 1993-2004 |
Page C Valentine |
SIM3341_1m_contours |
Simrad EM 1000 |
Polyline shapefile of a portion of the 1-meter (m) contours in quadrangle 6 of the Stellwagen Bank Survey Area offshore of Boston, Massachusetts necessary to show small features not displayed by 5-m contours - based on bathymetry data collected by the U.S. Geological Survey from 1994-1996 |
Page C Valentine |