| Identifier | 1994-004-FA | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Alternate names | 9409; FERL9409 | ||||||||
| Purpose | Document character/distribution of fisheries habitats in SE Stellwagen Bank w/ sidescan sonar, video, photo, and samples. Resurvey/sample areas surveyed April and Sep. 1993 to evaluate changes in dredge disturbance on sea bed; prepare sediment distribution/bio habitat maps. | ||||||||
| Location | Stellwagen Bank National Marine Sanctuary, United States, North America, North Atlantic; | ||||||||
| Summary | Previous cruises have imaged the southwestern part of Stellwagen Bank. This cruise expanded sidescan sonar coverage to the east. Bottom sediment is coarse sand and gravel on the southeastern part of the bank, and it is the source of the sand that is moved westward during large storms from the northeast. Several sidescan lines that were surveyed in April and September 1993 were resurveyed on this cruise. The distribution of storm deposits has not changed since the earlier surveys, and no large nor'easters have occurred since December 1992. These observations support the hypothesis that the bank surface is unaffected by tidal currents and minor storms. Large storms and fishing gear (dredges and trawls) apparently are the major causes of habitat disturbance on the bank. | ||||||||
| Comments | Field work conducted in two parts: October 11-16 and October 23-25. Project = Sea floor habitat mapping, Sea floor habitat mapping | ||||||||
| Platform |
|
||||||||
| Itinerary |
|
||||||||
| Bounds |
|
| Organization |
384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Principal investigators | Page C Valentine | ||||||||
| Crew members |
|
| Data category: | Sampling, Imagery, Sonar, Location-Elevation |
|---|---|
| Data type: | Geology, Photo, Video, Sidescan, Single Beam, Navigation |
| Name | Description |
|---|---|
| Cruise report | Chief Scientist's report including personnel, purpose, equipment, tabulated information, preliminary results, station locations and data acquired at the station, trackmap. |
| Equipment | Usage description | Data types | Datasets |
|---|---|---|---|
| Van Veen grab sampler | Geology | 4 | |
| Osprey camera system | Photo, Video | 6 | |
| Klein 595 100/500kHz sidescan sonar | Sidescan | (no data reported) | |
| Benthos fish tracking system | Single Beam | (no data reported) | |
| DGPS | Navigation | (no data reported) |
| Dataset name | Equipment | Description | Dataset contact |
|---|---|---|---|
| 1994-004-FA-SC-001 | Van Veen grab sampler | GRAB samples | Brian Buczkowski |
| 1994-004-FA-PH-001 | Osprey camera system | CD ROM disk of BOTTOMPHOTO STELL JD284, BOTTOMPHOTO STELL ROV | Nancy K. Soderberg |
| Dataset name | Equipment | Description | Dataset contact |
|---|---|---|---|
| Stellwagen_sedimentsamples | Van Veen grab sampler | Geographic locations of seabed sediment samples from the Stellwagen Bank National Marine Sanctuary Region. Includes sediment analyses. | Page C Valentine |
| SIM3341_stations_geology | Van Veen grab sampler | Point shapefile of quadrangle 6 station locations in Stellwagen Bank National Marine Sanctuary offshore of Boston, Massachusetts where video, photographs and sediment samples were collected by the U.S. Geological Survey from 1993-2004 - includes sediment sample analyses and interpreted geologic substrate. | Page C Valentine |
| SIM3341_geologic_interp | Van Veen grab sampler | 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 |
| Stellwagen_bottomphotos_locations | Osprey camera system | Geographic locations of images in the USGS collection of photographs from the Stellwagen Bank National Marine Sanctuary Region | Page C Valentine |
| ridges0_SIM2840 | Osprey camera system | 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 | Osprey camera system | 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 | Osprey camera system | 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 | Osprey camera system | 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 |
| Dataset name | Description | Dataset contact |
|---|---|---|
| q5_geologic_interp | Interpretation of the seabed geologic substrates in quadrangle 5 of the Stellwagen Bank National Marine Sanctuary region offshore of Boston, Massachusetts based on data collected by the U.S. Geological Survey from 1993-2019. | Page C Valentine |
| q5_stations_geology | Station locations in quadrangle 5 in Stellwagen Bank National Marine Sanctuary offshore of Boston, Massachusetts where video, photographs and sediment samples were collected by the U.S. Geological Survey from 1993-2015 - includes sediment sample analyses and interpreted geologic substrate | Page C Valentine |
