1. Coastal and Marine Hazards and Resources
  2. Geoscience Data System

Field Activity 2021-326-FA

Identifier 2021-326-FA
Purpose To measure the coevolution of the morphology and geology of the shoreface before and after a storm and during recovery.
Location USACE Field Research Facility, Duck, NC, Atlantic Ocean
Summary Collected 44 sub-bottom profiles (SBP), 25 single-beam bathymetry lines, and 9 sound velocity profiles (SVP).
Info derived Sub-seafloor geology, shoreface profile morphology
Comments Second seismic survey occurred December 3-10, 2021.
Projects
Platform
Other
USACE LARC-5
The LARC-5 (Lighter Amphibious Resupply Cargo) is an Army amphibious vehicle that is used to deploy instruments, support diving activities, collect data, and tow a variety of sensor and survey "sleds". The LARC-5 survey vehicle is 10.6 m (35 ft) long, 3 m (10.2 ft) wide and 3.3 m (11 ft) tall. It has a maximum land speed of 40 kph (25 mph) and approximately 11 kph in water, with a typical survey speed of 7 kph.
Vehicles
Ford F-350 Dually White (GSA)
Itinerary
Start Duck, NC 2021-06-14
End Duck, NC 2021-06-23
Days in the field 9
Bounds
West -75.75854301
East -75.73851597
North 36.1897445
South 36.18115225
Marine operations Yes

Personnel

Organization
600 Fourth Street South
St. Petersburg, FL33701-4846
(727) 502-8000
Principal investigators Jennifer L Miselis
Crew members
Jennifer L Miselis
Scientist, Staff
Andrew S Farmer
Scientist, Staff
Information specialist(s)
Arnell S Forde
Specialist, Information
Nancy T DeWitt
Specialist, Information
Andrew S Farmer
Specialist, Information
Affiliate principal Ian Conery, USACE

Data types and categories

Data category: Location-Elevation, Seismics, Sonar
Data type: Navigation, Sub Bottom Profiler, Single Beam

Documents: Notes and log books

Name Description
LOG_2021_326_FA_Dunex.xlsx OPS group digital logbook containing survey details for the Duck, NC sub-bottom and single-beam geophysical survey.

Equipment used

Equipment Usage description Data types Datasets
GPS Navigation 1
Chirp 512i Sub Bottom Profiler 3
ODOM-Echotrac CV-100 Single Beam (no data reported)

Datasets

Datasets compiled from multiple sources

Dataset name Equipment Description Dataset contact
DUNEX_nav GPS Navigation data for the entire survey, 1000-shot-interval locations, start of line locations, and data dictionary Arnell S Forde
DUNEX_segy Chirp 512i Digital chirp sub-bottom trace data Arnell S Forde
DUNEX_seisimag Chirp 512i Processed sub-bottom profile images Arnell S Forde
DUNEX_gis Chirp 512i Sub-bottom profile data geospatial files and data dictionary Arnell S Forde

Publications

Samples collected during this field activity