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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2023-319-FA

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Other ID: none

Status: Pending

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

Funding Program(s): Coastal Sediment Availability and Flux - CSAF (GX.24.MN00.M0Y60.00)

Principal Investigator(s): Emily Wei, Jennifer Miselis

Affiliate Investigator(s):

Information Specialist(s): Nancy Dewitt, Andrew Farmer, Chelsea Stalk

Data Type(s): Sampling: Geology, Sonar: Multibeam, Sonar: Sound Velocity

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

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

Start Port/Location: Cape May, NJ

End Port/Location: Cape May, NJ

Start Date: 2023-05-04

End Date: 2023-05-19

Equipment Used: Multibeam Bathymetry System, Castaway-CTD

Information to be Derived: Multibeam bathymetry and backscatter

Summary of Activity and Data Gathered:

Staff: Nancy DeWitt, Andrew Farmer

Affiliate Staff:



Seven-Mile Island, New Jersey, Cape May

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


photo of Sallenger


Stalk, C.A., DeWitt, N.T., Levinson, S.C., and Miselis, J.L., 2024, Coastal Multibeam Bathymetry and Backscatter Data Collected in May 2023 From Seven Mile Island, New Jersey: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Multibeam Bathymetry System --- Multibeam
7Mile_2023_MBES_Backscatter (Processed acoustic intensity backscatter mosaic, derived from the 1-meter grid, provided as a 32-point GeoTIFF in WGS84 (G1150) ellipsoid)
7Mile_2023_MBES_xyz (Processed elevation point data (xyz) as derived from a 1-meter grid provided in both WGS84 (G1150) ellipsoid and NAD83 NAVD88 GEOID12B)
Castaway-CTD --- Sound Velocity

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