Other ID: 24BIM06; 24BIM07; 24BIM08; 24BIM09; 24BIM10; 24BIM11
Status: Pending
Organization(s): USGS, St. Petersburg Coastal and Marine Science Center
Funding Program(s): Breton Island Post Construction Monitoring (GX.24.MN00.F9231.00)
Principal Investigator(s): James Flocks
Affiliate Investigator(s): USGS Wetlands Aquatic Research Center
Information Specialist(s): Chelsea Stalk, Julie Bernier, Nancy DeWitt
Data Type(s): Location-Elevation: Benchmarks, Location-Elevation: Navigation, Sonar: Single Beam, Sonar: Sound Velocity, Sampling: Geology, Sonar: Multibeam, Seismics: Sub Bottom Profiler
Scientific Purpose/Goals: Map seafloor for coastal change
Vehicle(s): Ford F-250 Stone Grey
Start Port/Location: Biloxi, MS
End Port/Location: Biloxi, Ms
Start Date: 2024-08-02
End Date: 2024-08-12
Equipment Used: Chirp 216, Choke Ring Antenna, Garmin GPS, SP80 GNSS Receiver, SP90 GNSS Receiver, Applanix POS-MV DGPS/IMU, Collapsible Tripod, ODOM-Echotrac CV-100, SBG Ellipse A Motion Sensor, Valeport SVP, Castaway-CTD, Push Corer, Multibeam Bathymetry System
Information to be Derived: Bathymetry, island elevation, sediment sampling, sub-bottom profiles.
Summary of Activity and Data Gathered:
Staff: Katharine Murray, Christopher Bemelmans, Benjamin Galbraith, Maxwell Reynolds, Andrew Farmer, Chelsea Stalk, Julie Bernier, Nancy DeWitt, Billy Reynolds, James Flocks
Affiliate Staff:
Sarai Piazza
Notes: 24BIM06: SALL = Multibeam and sub-bottom
24BIM07: TVEE = Single Beam
24BIM08: WVR1 = Single Beam
24BIM09: WVR2 = Single Beam
24BIM10: Sand Augers = Sediment sampling
24BIM11: Lidar GCP points
Entries for this field activity are updated from Field Activity 2014-314-FA.
Entries for this field activity are based on entries from Field Activity 2022-328-FA.
Location:
Breton Island, Louisiana, Gulf of America (Gulf of Mexico)
| Boundaries | |||
|---|---|---|---|
| North: 29.57913024 | South: 29.36320932 | West: -89.2886 | East: -89.03729248 |
Platform(s):
 22-ft Twin Vee (R/V G. Hill) |
Bemelmans, C.C., Stalk, C.A., Flocks, J.G., 2025, Coastal Multibeam Bathymetry and Backscatter Data Collected in August 2024 From Breton Island, Louisiana: U.S. Geological Survey data release, https://doi.org/10.5066/P13BWAJC.
Forde, A.S., Stalk, C.A., Flocks, J.G., 2025, Chirp Sub-Bottom Profile Geophysical Data Collected in 2024 Offshore of Breton Island, Louisiana: U.S. Geological Survey data release, https://doi.org/10.5066/P13SMFT7.
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| Chirp 216 | --- | Sub Bottom Profiler | 2024-320-FA_segy (Digital chirp sub-bottom trace data) 2024-320-FA_seisimag (Processed sub-bottom profile images ) |
| Choke Ring Antenna | --- | Benchmarks Navigation | |
| Garmin GPS | --- | Navigation | |
| SP80 GNSS Receiver | --- | Benchmarks Navigation | |
| SP90 GNSS Receiver | --- | Benchmarks Navigation | |
| Applanix POS-MV DGPS/IMU | --- | Navigation | 2024-320-FA_nav (Navigation data for the entire survey, 1000-shot-interval locations, start of line locations, and data dictionary) |
| Collapsible Tripod | --- | Benchmarks Navigation Profiles Transects | |
| ODOM-Echotrac CV-100 | --- | Single Beam | |
| SBG Ellipse A Motion Sensor | --- | Single Beam | |
| Valeport SVP | --- | Sound Velocity | |
| Castaway-CTD | --- | Sound Velocity | |
| Push Corer | --- | Geology | |
| Multibeam Bathymetry System | --- | Multibeam | 2024-320-FA_gis (Sub-bottom profile data geospatial files and data dictionary) Breton_2024_MBES_xyz (Processed elevation point data (xyz) as derived from a 1-meter grid provided in both WGS84 (G1150) ellipsoid and NAD83 NAVD88 GEOID12B) Breton_2024_MBES_Backscatter (Processed acoustic intensity backscatter mosaic, derived from the 1-meter grid, provided as a 32-point GeoTIFF in WGS84 (G1150) ellipsoid) |
