USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 2007-042-FA

Other ID: none

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): Richard Signell

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Imagery: Photo, Imagery: Video, Location-Elevation: Navigation, Sampling: Geology, Sonar: Single Beam

Scientific Purpose/Goals: To obtain sediment grab samples and bathymetric depths from Middle Ground.


Start Date: 2007-11-20

Start Port/Location: Woods Hole, MA

End Date: 2007-11-20

End Port/Location: Woods Hole, MA

Equipment Used: Echosounder, Video camera - deep sea, Camera- deep sea, Grab sampler, Digital camera, Loran-C

Information to be Derived: Grain size analysis; Sea floor map; Bathymetric maps;

Summary of Activity and Data Gathered: ~1.5 hours of video in 13 segments (2 DVDs and one 8 mm tape), 9 sediment grab samples, bathymetric depths from depth sounder, and lon/lat from DGPS along ship track.

Staff: Dann Blackwood, Richard Signell, Charles Worley

Affiliate Staff:

Notes: Original Center People field contained: Rich Signell; Dann Blackwood; Chuck Worley (Skipper).
Project = Middle Ground, Middle Ground


Middle Ground, Vineyard Sound, Massachusetts, United States, North America, North Atlantic;

North: 41.52 South: 41.36 West: -70.85 East: -70.45


photo of Rafael



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Echosounder --- Single Beam
Video camera - deep sea --- Video
2007-042-FA-VD-001-01 ( 2 video clips for use in presentation.)
2007-042-FA-VD-001-02 ( 4 edited bottom photos: stills from video.)
2007-042-FA-VD-002 ( 1.5 hours of video in 13 segments: original recording on Hi-8 tape.)
Camera- deep sea --- Photo
Grab sampler --- Biology
2007-042-FA-SC-001-01 ( Grain size analysis: Lab #s AW969, AW970, AW971, AW972, AW973, AW974, AW975, AW976, and AW977 in L. Poppe's sediments database.)
2007-042-FA-SC-001 ( 9 sediment grab samples: MG1, MG2, MG3, MG4, MG5, MG6, MG7, MG8, and MG9.)
Digital camera --- Photo
2007-042-FA-PH-001 ( Deck photos of operations: 2 photos taken by D. Blackwood.)
Loran-C --- Navigation