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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2022-312-FA

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Other ID: Tyndall Reefense Chirp and MBES

Status: Completed

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

Funding Program(s): Defense Advanced Research Protection Agency (DARPA) Reefense (GR.23.MN00.M0Y21.00)

Principal Investigator(s): Emily Wei, Jennifer Miselis

Affiliate Investigator(s): Defense Advanced Research Projects Agency; US Army Corps of Engineers

Information Specialist(s): Chelsea Stalk, Arnell Forde, Emily Wei

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

Scientific Purpose/Goals: Back-barrier lagoon bathymetry mapping and geologic assessment in support of efforts to construct an artificial oyster reef.

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

Start Port/Location: Panama City, FL

End Port/Location: Panama City, FL

Start Date: 2022-06-20

End Date: 2022-07-09

Equipment Used: Chirp 216, Valeport SVP, Valeport MiniSVS, Castaway-CTD, Multibeam Bathymetry System, SP90 GNSS Receiver

Information to be Derived: Seafloor depth and chirp geophysical data

Summary of Activity and Data Gathered: Successful acquisition of sub-bottom profiles (234 lines) and (374) multibeam data.

Staff: Nancy DeWitt, Benjamin Galbraith, Andrew Farmer, Chelsea Stalk, Emily Wei

Affiliate Staff:

Notes: Entries for this field activity are based on entries from Field Activity 2019-333-FA
Entries for this field activity are based on entries from Field Activity 2021-319-FA.


Panama City, FL, United States, Gulf of Mexico

North: 30.15676461 South: 30.01333874 West: -85.71780396 East: -85.48324585


photo of Sallenger


Forde, A.S., Wei, E.A., and Stalk, C.A., 2023, Archive of Chirp Subbottom Profile Data Collected in June 2022 Near Panama City, Florida: U.S. Geological Survey data release,

Stalk, C.A., Wei, E.A., and DeWitt, N.T., 2023, High-resolution Geophysical Data Collected in June 2022 Near Tyndall Air Force Base, Panama City, Florida: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Chirp 216 --- Sub Bottom Profiler
2022-312-FA_segy (Digital chirp subbottom trace data)
2022-312-FA_seisimag (Processed subbottom profile images)
2022-312-FA_gis (Subbottom profile data location maps, geospatial files, and images)
Valeport SVP --- Sound Velocity
Valeport MiniSVS --- Sound Velocity
Castaway-CTD --- Sound Velocity
Multibeam Bathymetry System --- Multibeam
Tyndall_2022_MBES_Backscatter (Processed acoustic intensity backscatter mosaic, derived from the 1-meter grid, provided as a 32-point GeoTIFF in WGS84 (G1150) ellipsoid)
Tyndall_2022_MBES_xyz (Processed elevation point data (xyz) as derived from a 1-meter grid provided in both WGS84 (G1150) ellipsoid and NAD83 NAVD88 GEOID12B)
SP90 GNSS Receiver --- Benchmarks
2022-312-FA_nav (Navigation data for the entire survey, 1000-shot-interval locations, and start of line locations)

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