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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2014-317-FA

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Other ID: 14BIM05

Status: Completed

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

Funding Program(s): Other (Other)

Principal Investigator(s): James Flocks, Jennifer Miselis

Affiliate Investigator(s):

Information Specialist(s): Julie Bernier, Arnell Forde, Kyle Kelso

Data Type(s): Electro-Magnetic: Magnetics, Location-Elevation: Navigation, Seismics: Sub Bottom Profiler, Sonar: Interferometric, Sonar: Sidescan, Sonar: Sound Velocity

Scientific Purpose/Goals: Characterize the geologic framework

Vehicle(s): Excursion - White, Ford F-350 Dually White (GSA), Ford F-350 Dually - Silver (GSA), White Dodge Pickup - White

Start Port/Location: Venice, La

End Port/Location: Biloxi, Ms

Start Date: 2014-08-11

End Date: 2014-08-31

Equipment Used: Geometrics G-882 (Cesium) Marine Magnetometer, F190 DGPS/IMU, Chirp 512i, Klein Side Scan, Interferometric Bathymetry System, Valeport SVP, Ashtech Z-Xtreme DGPS, Other

Information to be Derived: Bathymetry, nearsurface geology, and island elevation.

Summary of Activity and Data Gathered: Collected side scan sonar, sub-bottom profile (93 lines), magnetometer, and swath bathymetry (76 lines) data.

Staff: James Flocks, Joseph Fredericks, Kyle Kelso, Jack Kindinger, Stanley Locker

Affiliate Staff:

Notes: Entries for this field activity are based on entries from Field Activity 2014-314-FA


Breton Island, Chandeleur Islands, Louisiana, Gulf of Mexico

North: 29.57913024 South: 29.36320932 West: -89.2886 East: -89.03729248


photo of Tommy Munro
Tommy Munro


DeWitt, N.T., Fredericks, J.J., Flocks, J.G., Miselis, J.L., Locker, S.D., Kindinger, J.G., Bernier, J.C., Kelso, K.W., Reynolds, B.J., Wiese, D.S., Browning, T., 2016, Archive of bathymetry and backscatter data collected in 2014 nearshore Breton and Gosier Islands, Breton National Wildlife Refuge, Louisiana: U.S. Geological Survey Data Series 1005,

Flocks, J., Kindinger, J., Miselis, J., Locker, S., 2015, Stratigraphy And Morphology Of The Barrier Platform Of Breton Island, Louisiana: Deltaic, Marine And Human Influences: Coastal Sediments 2015World Scientific, , doi: 10.1142/9789814689977_0194.

Flocks, J.G., Terrano, J.F., 2016, Analysis of seafloor change at Breton Island, Gosier Shoals, and surrounding waters, 1869-2014, Breton National Wildlife Refuge, Louisiana: U.S. Geological Survey Open-File Report 2016-1069, 34 p.,

Terrano, J.F., Flocks, J.G., Smith, K.E.L., 2016, Analysis of shoreline and geomorphic change for Breton Island, Louisiana, from 1869 to 2014: U.S. Geological Survey Open-File Report 2016-1039, 43 p.,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Geometrics G-882 (Cesium) Marine Magnetometer --- Magnetics
F190 DGPS/IMU --- Navigation (Swath tracklines – R/V Tommy Munro)
Chirp 512i --- Sub Bottom Profiler
DS 972 SEGY (Raw chirp SEGY data)
Klein Side Scan --- Sidescan
14BIM05_SSS_50cm_WGS84_UTM16N_Tile (Sidescan Sonar Mosaic 0.50-m resolution)
Interferometric Bathymetry System --- Interferometric (Swath data 5-m BASE resolution – R/V Tommy Munro)
Valeport SVP --- Sound Velocity
Ashtech Z-Xtreme DGPS --- Benchmarks
Other --- --- ---

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