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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2017-337-FA

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Other ID: none

Status: Completed

Organization(s): USGS, St. Petersburg Coastal and Marine Science Center

Funding Program(s): Barrier Island Evolution Research: Coastal Sediment Fluxes (GX.17.MN00.F1F40.00)

Principal Investigator(s): Jennifer Miselis

Affiliate Investigator(s):

Information Specialist(s): Nancy DeWitt, Andrew Farmer, Joseph Fredericks

Data Type(s): Location-Elevation: Benchmarks, Location-Elevation: Navigation, Seismics: Sub Bottom Profiler, Sonar: Multibeam, Sonar: Sound Velocity

Scientific Purpose/Goals: Annual mapping of N. Chandeleurs borrow site to measure sediment fluxes.

Vehicle(s): Ford F-350 Dually White (GSA)

Start Port/Location: Biloxi, MS

End Port/Location: Biloxi, MS

Start Date: 2017-08-07

End Date: 2017-08-16

Equipment Used: Ashtech ProFlex 800 GNSS Receiver, Choke Ring Antenna, Applanix POS-MV DGPS/IMU, Collapsible Tripod, EG&G Geopulse, Chirp 424, Multibeam Bathymetry System, Other, Castaway-CTD

Information to be Derived: Multibeam bathymetry using the SeaBat T50-P as a dual head system, seismic profiles, navigation and positioning

Summary of Activity and Data Gathered: Multibeam swath bathymetry (131 lines), Seismic profiles (34 lines), sound velocity profile casts (113 profiles), GPS base station sessions from MRK3 and CTMP (31 sessions day and night)

Staff: Nancy DeWitt, Andrew Farmer, Joseph Fredericks

Affiliate Staff:



Chandeleur Islands, LA

North: 30.1270152 South: 29.88305196 West: -88.93432617 East: -88.70495605


photo of Sallenger


Forde, A.S., DeWitt, N.T., Fredericks, J.J., Miselis, J.L., 2018, Archive of chirp subbottom profile data collected in 2017 from the northern Chandeleur Islands, Louisiana: U.S. Geological Survey data release,

Fredericks, J.J., Farmer, A.S., Miselis, J.L., 2019, Coastal multibeam bathymetry data collected in August 2017 From the Chandeleur Islands, Louisiana: U.S. Geological Survey data release, .


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Ashtech ProFlex 800 GNSS Receiver --- Benchmarks
Choke Ring Antenna --- Benchmarks
Applanix POS-MV DGPS/IMU --- Navigation
Collapsible Tripod --- Benchmarks
EG&G Geopulse --- Boomer
Sub Bottom Profiler
Chirp 424 --- Sub Bottom Profiler (Unprocessed digital chirp subbottom trace data) (Processed subbottom profile images) (Survey trackline locations) (2017-337-FA_nav)
Multibeam Bathymetry System --- Multibeam (Processed elevation point data (xyz) as derived from a 1-meter grid provided in WGS84 and NAD83, NAVD88 GEOID09)
Other --- --- ---
Castaway-CTD --- Sound Velocity

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