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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2022-309-FA

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Other ID: Seven Mile NJ Chirp 2022; 22BIM03; 22BIM04; 22BIM05

Status: Completed

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

Funding Program(s): Monitoring Hurricane Sandy Beach and Marsh Resilience in New York and New Jersey (GR.24.MN00.GSM30.00)

Principal Investigator(s): Emily Wei, Jennifer Miselis

Affiliate Investigator(s):

Information Specialist(s): Chelsea Stalk, Nancy DeWitt

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

Scientific Purpose/Goals: To assess barrier island and shoreface resilience after Hurricane Sandy.

Vehicle(s): Chevy Suburban Silver, Ford F-250 Stone Grey, Ford F-350 Dually Grey (GSA)

Start Port/Location: Cape May, NJ

End Port/Location: Cape May, NJ

Start Date: 2022-04-25

End Date: 2022-05-06

Equipment Used: Valeport SWiFT SVP, Castaway-CTD, ODOM-Echotrac CV-100, Chirp 512i, SP90 GNSS Receiver, Collapsible Tripod, Choke Ring Antenna

Information to be Derived: Single bathymetry, chirp subbottom geophysics, sound velocity profiles, base station GPS session

Summary of Activity and Data Gathered: The SLED collected 135.48 line-km (288 lines) and the WVR2 collected 145.46 line-km (60 lines). Data Published at:

Staff: Emily Wei, Chelsea Stalk, Billy Reynolds, Jennifer Miselis, Erin Lyons, Benjamin Galbraith, Andrew Farmer, Julie Bernier

Affiliate Staff:

Notes: Entries for this field activity are based on entries from Field Activity 2021-318-FA.
Three subFANs have been assigned for 2022-309-FA:
Sled - 22BIM03
RV Shark - 22BIM04
RV Chum - 22BIM05


Seven-Mile Island, New Jersey, Cape May

North: 39.12414268 South: 38.99902114 West: -74.85038996 East: -74.59277987


photo of Personal Water Craft (Blue WVR2 - Chum)
Personal Water Craft (Blue WVR2 - Chum)
photo of Personal Water Craft (White WVR1 - Shark)
Personal Water Craft (White WVR1 - Shark)
photo of Sallenger


Forde, A.S., DeWitt, N.T., Wei, E.A., and Miselis, J.L., 2023, Archive of Chirp Subbottom Profile Data Collected in 2022 From Seven Mile Island, New Jersey: U.S. Geological Survey data release,

Lyons, E.O., DeWitt, N.T., Stalk, C.A., Reynolds, B.J., Farmer, A.S., Bernier, J.C. and others, 2023, Coastal Single-beam Bathymetry Data Collected in 2022 off Seven Mile Island, New Jersey: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Valeport SWiFT SVP --- Sound Velocity
Castaway-CTD --- Sound Velocity
ODOM-Echotrac CV-100 --- Single Beam
Seven_Mile_Island_2022_SBES_ WGS84_UTM18N_xyz (Single-beam bathymetry data points (xyz) in WGS84 (G2139) UTM18N ellipsoid)
Seven_Mile_Island_2022_SBES_NAD83_ NAVD88_UTM18N_GEOID12B_xyz (Single-beam bathymetry data points (xyz) in NAD83 and NAVD88 (orthometric height) with respect to the GEOID18 model )
Seven_Mile_Island_2022_SBES_ WGS84_UTM18N_tracklines (Single-beam bathymetry trackline shapefile in WGS84 (G2139) UTM18N)
Seven_Mile_Island_2022_SBES_NAD83_ NAVD88_UTM18N_GEOID18_xyz (Single-beam bathymetry data points (xyz) in NAD83 and NAVD88 (orthometric height) with respect to the GEOID18 model)
Chirp 512i --- Sub Bottom Profiler
2022-309-FA_segy (Digital chirp subbottom trace data )
2022-309-FA_seisimag (Processed subbottom profile images)
2022-309-FA_gis (Subbottom profile data location maps, geospatial files, and images)
SP90 GNSS Receiver --- Benchmarks
2022-309-FA_nav (Navigation data for the entire survey, 1000-shot-interval locations, and start of line locations)
Collapsible Tripod --- Benchmarks
Choke Ring Antenna --- Benchmarks

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