Field Activity 2022-334-FA

Identifier 2022-334-FA
Alternate names Boca Chica Reefense Chirp and MBES
Purpose Bathymetry mapping and geologic assessment of the nearshore ledge off Boca Chica Key in support of efforts to construct an artificial coral reef offshore of Naval Air Station Key West.
Location Boca Chica Key, FL, United States, Atlantic Ocean
Summary Acquired 53 sub-bottom profiles, 129 multi-beam bathymetry tracklines, and 25,485 seafloor images.
Info derived Seafloor depth, chirp geophysical, and imagery data. Sediment samples to be collected in Spring 2023
Comments Entries for this field activity are based on entries from Field Activity 2022-312-FA.
26' Parker
Ford F-350 Dually Grey (GSA)
Start Boca Chica Key, FL 2022-11-07
End Boca Chica Key, FL 2022-11-19
Days in the field 12
West -81.71157073
East -81.65966034
North 24.56810753
South 24.55118293
Marine operations Yes


600 Fourth Street South
St. Petersburg, FL33701-4846
(727) 502-8000
Principal investigators Jennifer L MiselisEmily A Wei
Crew members
Chelsea A Stalk
Scientist, Staff
Emily A Wei
Scientist, Staff
Benjamin A Galbraith
Scientist, Staff
Information specialist(s)
Arnell S Forde
Specialist, Information
Chelsea A Stalk
Specialist, Information
Emily A Wei
Specialist, Information
Affiliate principal Defense Advanced Research Projects Agency; US Army Corps of Engineers

Data types and categories

Data category: Imagery, Location-Elevation, Sonar, Seismics
Data type: Photo, Navigation, Multibeam, Sound Velocity, Sub Bottom Profiler

Equipment used

Equipment Usage description Data types Datasets
Digital Camera Photo, Video 1
SP90 GNSS Receiver Benchmarks, Navigation 1
Multibeam Bathymetry System Multibeam 2
Castaway-CTD Sound Velocity (no data reported)
Valeport MiniSVS Sound Velocity (no data reported)
Valeport SVP Sound Velocity (no data reported)
Chirp 216 Sub Bottom Profiler 3


Datasets produced in this activity

Dataset name Equipment Description Dataset contact
2022_334-FA_polecam_images Digital Camera Images taken at Boca Chica Key, Florida using the polecam system, available in the CMHRP Imagery Data System (IDS) Chelsea A Stalk
2022-334-FA_nav SP90 GNSS Receiver Navigation data for the entire survey, 1000-shot-interval locations, and start of line locations Arnell S Forde
BocaChica_2022_MBES_Backscatter Multibeam Bathymetry System Processed acoustic intensity backscatter mosaic, derived from the 1-meter grid, provided as a 32-point GeoTIFF in WGS84 (G1762) ellipsoid Chelsea A Stalk
BocaChica_2022_MBES_xyz Multibeam Bathymetry System Processed elevation point data (xyz) as derived from a 1-meter grid provided in both WGS84 (G1762) ellipsoid and NAD83 NAVD88 GEOID12B Chelsea A Stalk
2022-334-FA_gis Chirp 216 Subbottom profile data location maps, geospatial files, and images Arnell S Forde
2022-334-FA_segy Chirp 216 Digital chirp subbottom trace data Arnell S Forde
2022-334-FA_seisimag Chirp 216 Processed subbottom profile images Arnell S Forde


Samples collected during this field activity

Images collected during this field activity, from the Imagery Data System

23948 images are associated with this activity.