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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2012-024-FA

Other ID: none

Status: Completed

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

Funding Program(s):

Principal Investigator(s): David Foster

Affiliate Investigator(s): Chris Sherwood

Information Specialist(s): Seth Ackerman

Data Type(s): Sonar: Interferometric, Sonar: Multibeam, Sampling: Geology, Location-Elevation: Navigation, Seismics: Sub Bottom Profiler, Imagery: Photo, Imagery: Video

Scientific Purpose/Goals: Map the CT River from the river mouth north towards Essex, CT; geophysical mapping will be followed by sampling


Start Port/Location: Old Saybrook, CT

End Port/Location: Old Saybrook, CT

Start Date: 2012-09-15

End Date: 2012-09-23

Equipment Used: SEA SWATHplus-M 234 kHz, Van Veen grab sampler, DGPS, EdgeTech 424 chirp sub-bottom profiler, GoPro camera, Real Time Kinematic GPS

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

Summary of Activity and Data Gathered: About 227 line-km of digital Chirp sub bottom and 234 kHz interferometric sonar data were collected. 100 percent bathymetric coverage was achieved and sonar backscatter were processed and mosaicked in the field. Eighty seven sample stations were occupied, 73 grab samples were collected, 66 stations included video and photographs of the bottom.

Staff: Seth Ackerman, Dann Blackwood, David Foster, Barry Irwin, Eric Moore

Affiliate Staff:

Notes: Project = Sed Processes: Models & Measure,
Information from Foghorn: Edgetech 424 Chirp; video; GoPro camera


Connecticut River, Old Saybrook, Essex, Connecticut, United States, North America

North: 41.39 South: 41.239 West: -72.415 East: -72.333


photo of Rafael


Ackerman, S.D., Foster, D.S., Moore, E.M., Irwin, B.J., Blackwood, D., and Sherwood, C.R., 2017, High-resolution geophysical and sampling data collected at the mouth of Connecticut River, Old Saybrook to Essex, Connecticut, 2012, USGS Field Activity 2012-024-FA : U.S. Geological Survey data release.


FAN 2012-024-FA has data viewable in the CMGP Video and Photograph Portal. View the data in this application here. See the instructions for working with this application.

Documents associated with this activity

Title Survey Equipment Description
Cruise log (document not focused on specific equipment) Logbook of notes from data acquisition maintained by the USGS science and technical staff in the Connecticut River in 2012 during the field activity 2012-024-FA (PDF – scan of an Excel spreadsheet).

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
SEA SWATHplus-M 234 kHz --- Interferometric
Van Veen grab sampler --- Geology
DGPS --- Navigation
EdgeTech 424 chirp sub-bottom profiler --- Sub Bottom Profiler
GoPro camera --- Photo
Real Time Kinematic GPS --- Navigation

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