Identifier | 2005-005-FA | ||||||||
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Purpose | Sea floor mapping to: 1) support management of ocean resources; 2) clarify the post-glacial history of sea-level change in the region; 3) reconstruct coastal environments and quantifying rates of change over the last few thousand years; and 4) develop a sediment budget for the coastal system, which is experiencing chronic erosion. | ||||||||
Location | Merrimack Embayment, Massachusetts, Gulf of Maine, United States, North America, North Atlantic; | ||||||||
Summary | The new remotely operated vehicle (ROV) was deployed for the first time to successfully recover a sound-velocity profiler that was lost during a cast. We collected 100% coverage of sea floor with bathymetry and sidescan sonar data, approximately 1000 km of seismic reflection profiles, and grab samples and bottom photography/video at 93 stations. Cruise focused on nearshore areas in water depths of 5-25 m to complete the surficial mapping that was begun in 2003 (SAIC contract multibeam). Sub-bottom profiles were collected throughout entire study area in water depths of 5-90 m. | ||||||||
Info derived | Grain size analysis; Sea floor map; Bathymetric maps; high-resolution geologic maps; | ||||||||
Comments | Original Center People field contained: Walter Barnhardt (PI); Charles Worley (marine tech); Brian Andrews (data processor); William Danforth (marine tech); Emile Bergeron (marine tech). Project = Geologic mapping of the Massachusetts inner shelf, Geologic mapping of the Massachusetts inner shelf | ||||||||
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Organization |
384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
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Principal investigators | Walter Barnhardt | ||||||||||
Crew members |
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Affiliate principal | Massachusetts Office of Coastal Zone Management | ||||||||||
Affiliate staff | Seth Ackerman (data processor, MA CZM); Chris Hein (volunteer, Boston Univ.) |
Data category: | Biological Field Study, Imagery, Location-Elevation, Sampling, Seismics, Sonar, Visual Identification |
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Data type: | Experiments (biological), Surveys (biological), Photo, Video, Navigation, Biology, Geology, Sub Bottom Profiler, Sidescan, Sound Velocity, Species ID, Interferometric |
Cruise log
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Equipment or measuring device | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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SeaBOSS
Surveys (biological), Experiments (biological), Species ID, Photo, Video, Geology, Biology
1
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Digital camera
Photo
1
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Real Time Kinematic GPS
Navigation
1
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Edgetech chirp subbottom profiler 512i
Sub Bottom Profiler
1
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SEA SWATHplus-M 234 kHz
Interferometric
2
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Klein 595 100/500kHz sidescan sonar
Sidescan
2
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Sensor - MVP30 (Odim)
Sound Velocity
(no data)
(No data records have been reported for this equipment)
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