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USGS Coastal and Marine Hazards and Resources Program

Field Activity Details for field activity 2026-303-FA

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Other ID: 26BIM03 = WVR1; 26BIM04 = WVR2

Status: Pending

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

Funding Program(s): Other (Other)

Principal Investigator(s): Jennifer (Jenna) Brown, Kara Doran

Affiliate Investigator(s): University of South Florida

Information Specialist(s): Maxwell Reynolds, Billy Reynolds, Nancy DeWitt

Data Type(s): Location-Elevation: Benchmarks, Sonar: Single Beam, Sonar: Sound Velocity

Scientific Purpose/Goals: To collect 2026 pre-hurricane season bathymetry for Midnight Pass and Milton Pass that were created by the 2024 storms Helene and Milton. Updated bathymetry is needed to support annual monitoring efforts of the geomorphological changes in the pass and track sediment distribution patterns. The R/V G. Hill will be support vessel to the PWCs.

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

Start Port/Location: Englewood, FL

End Port/Location: Siesta Key, FL

Start Date: 2026-02-27

End Date: 2026-03-02

Equipment Used: SP90 GNSS Receiver, Tripod, ODOM-Echotrac CV-100, SBG Ellipse A Motion Sensor, Castaway-CTD

Information to be Derived: 2026 bathymetry x,y,z data points, 2026 digital elevation models, 2026 trackline dataset. This information will also be applied in other analysis.

Summary of Activity and Data Gathered:

Staff: Kyle Kelso, Maxwell Reynolds, Billy Reynolds

Affiliate Staff:
Ping Wang

Notes: Funding account is Hurricane Ian Supplemental and the account to use is GX23MN00V02FL26. R/V Scooby and R/V Shaggy are the new PWCs that are planned to be used for this survey. That information will be added to Compass as soon as they come on-line. For now, R/V Shark and R/V Chum are stand-ins. Entries for this field activity are based on entries from Field Activity 2025-313-FA.

Location:

Midnight Pass is located Siesta Key, FL; Milton Pass is located in Englewood, FL

Boundaries
North: South: West: East:

Platform(s):

photo of 22-ft Twin Vee (R/V G. Hill)
22-ft Twin Vee (R/V G. Hill)
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)

Publications

Portals/Viewers

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
SP90 GNSS Receiver --- Benchmarks
Navigation
Tripod --- Mooring (physical oceanography)
Benchmarks
Navigation
ODOM-Echotrac CV-100 --- Single Beam
SBG Ellipse A Motion Sensor --- Single Beam
Castaway-CTD --- Sound Velocity

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