Other ID: none
Status: Completed
Organization(s): USGS, St. Petersburg Coastal and Marine Science Center
Funding Program(s): Coastal Sediment Availability and Flux - CSAF (GX.25.MN00.M0Y60.00)
Principal Investigator(s): Emily Wei, Jennifer Miselis
Affiliate Investigator(s):
Information Specialist(s): Chelsea Stalk
Data Type(s): Sonar: Sound Velocity, Sonar: Multibeam, Sampling: Geology
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: 2021-05-17
End Date: 2021-05-30
Equipment Used: Multibeam Bathymetry System, Grab Sampler, Castaway-CTD
Information to be Derived: Multibeam bathymetry and backscatter, grain size of sediment grab samples
Summary of Activity and Data Gathered: Collected multibeam bathymetry and 33 ponar sediment grab samples.
Staff: Emily Wei, Chelsea Stalk, Andrew Farmer
Affiliate Staff:
Notes: Entries for this field activity are based on entries from Field Activity 2020-311-FA
Location:
Seven-Mile Island, New Jersey, Cape May
| Boundaries | |||
|---|---|---|---|
| North: 39.12414268 | South: 38.99902114 | West: -74.85038996 | East: -74.59277987 |
Platform(s):
 Sallenger |
Buster, N.A., Miselis, J.L., Wei, E.A., Forde, A.S., 2025, Assessment of Active Sand Volumes at Rockaway Beach and Fire Island in New York and Seven Mile Island in New Jersey: U.S. Geological Survey Data Report 1211, https://doi.org/10.3133/dr1211.
Everhart, C.S., Wei, E.A., and Miselis, J.L., 2022, Grain-size data from sediment samples at Seven Mile Island, New Jersey and Rockaway Peninsula, New York: U.S. Geological Survey data release, https://doi.org/10.5066/P9FH8ZJW.
Stalk, C.A., Farmer, A.S., Wei, E.A., and Miselis, J.L., 2022, Coastal multibeam bathymetry and backscatter data collected in May 2021 from Seven Mile Island, New Jersey: U.S. Geological Survey data release, https://doi.org/10.5066/P9M2EQIR.
Wei, E.A., Miselis, J.L., Buster, N.A., Forde, A.S., 2025, Geologic Framework and Holocene Sand Thickness Offshore of Seven Mile Island, New Jersey: U.S. Geological Survey Scientific Investigations Report (2024-5131), https://doi.org/10.3133/sir20245131.
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| Multibeam Bathymetry System | --- | Multibeam | 7Mile_2021_MBES_xyz.zip (Processed elevation point data as derived from a 1-meter grid provided in both WGS84 (G1762) ellipsoid and NAD83 NAVD88 GEOID12B) 7Mile_2021_MBES_Backscatter.zip (Processed acoustic intensity backscatter mosaic, derived from the 1-meter grid, provided as a 32-point GeoTIFF in WGS84 (G1762) ellipsoid ) |
| Grab Sampler | --- | Biology Geology | |
| Castaway-CTD | --- | Sound Velocity |
