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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2015-331-FA

Other ID: none

Status: Completed

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

Funding Program(s): Barrier Island Evolution Research - BIER Geophysics (GX.16.MN00.F1F40.00)

Principal Investigator(s): Jennifer Miselis

Affiliate Investigator(s):

Information Specialist(s): Nancy DeWitt, Joseph Fredericks

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

Scientific Purpose/Goals: Geophysical survey of the borrow pit using Chirp 424 and Interferometric Swath bathymetry

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

Start Port/Location: St. Petersburg, FL

End Port/Location: St. Petersburg, FL

Start Date: 2015-09-14

End Date: 2015-09-28

Equipment Used: Interferometric Bathymetry System, Chirp 424, Other, F190 DGPS/IMU

Information to be Derived: x,y,z bathymetric data points, F190 navigation, and chirp sub bottom profiles

Summary of Activity and Data Gathered: Swath bathymetry lines (53), chirp sub bottom profile lines (57), HYPACK navigation tracklines (54), and SVP (25)

Staff: Nancy DeWitt, Joseph Fredericks, Kyle Kelso

Affiliate Staff:



Chandeleur Islands, LA

North: 30.11186985 South: 29.8740461 West: -88.8959 East: -88.7804827


photo of Sallenger



Forde, A.S., DeWitt, N.T., Fredericks, J.J., and Miselis, J.L., 2018, Archive of chirp subbottom profile data collected in 2015 from the northern Chandeleur Islands, Louisiana, 2015: date release, doi: 10.5066/F7668C5C.

Forde, A.S., DeWitt, N.T., Fredericks, J.J., Miselis, J.L., 2018, Chirp subbottom profile data collected in 2015 from the northern Chandeleur Islands, Louisiana: Reston, VA, doi: 10.3133/ds1077.

Fredericks, J.J., Buster, N.A., DeWitt, N.T., Kelso, K.W., Miselis, J.L., 2016, Coastal Interferometric Swath Bathymetry Data Collected in 2015 from the Chandeleur Islands, Louisiana: data release, doi: 10.5066/F7NV9GC8.


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Interferometric Bathymetry System --- Interferometric
2015_Chand_IFB_5m_NAD83_ ( Processed elevation point data) ( Processed elevation point data )
2015_Chand_IFB_25m_NAD83_ ( Interpolated digital elevation model (DEM))
Chirp 424 --- Sub Bottom Profiler ( Unprocessed digital chirp subbottom trace data) ( Survey trackline locations ) ( Navigation data) ( Processed subbottom profile images)
Other --- --- ---
F190 DGPS/IMU --- Navigation

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