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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2017-373-FA

Other ID: none

Status: Completed

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

Funding Program(s): Coral Reef Ecosystems Studies - CREST (GX.22.MN00.E3R50.00)

Principal Investigator(s): Kimberly Yates, David Zawada

Affiliate Investigator(s):

Information Specialist(s): Joseph Fredericks, Billy Reynolds

Data Type(s): Sonar: Multibeam

Scientific Purpose/Goals: Sediment accumulation in area of survey

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

Start Port/Location: Ramrod Key, FL

End Port/Location: Ramrod Key, FL

Start Date: 2018-02-04

End Date: 2018-02-14

Equipment Used: Multibeam Bathymetry System

Information to be Derived: Bottom elevations

Summary of Activity and Data Gathered: Multibeam Bathymetry

Staff: Nancy DeWitt, Andrew Farmer, Joseph Fredericks, Billy Reynolds, Hunter Wilcox

Affiliate Staff:

Notes: Survey split into 3 legs due to weather.

Leg 1: 12/12/17-12/17/17
Leg 2: 2/4/18-2/10/18
Leg 3: 3/9/18-3/11/18


Looe Key Reef, Florida Keys

North: 24.59083661 South: 24.53172595 West: -81.46027565 East: -81.3610321


photo of Sallenger


Fredericks, J.J., Reynolds, B.J., Farmer, A.S., Yates, K.K., Zawada, D.G., 2019, Multibeam bathymetry data collected in December 2017, February and March 2018 at Looe Key, the Florida Keys: U.S. Geological Survey data release,

Murphy, K.A., Yates, K.K., 2021, Looe Key, Florida, 2016â2017 seafloor elevation stability models, maps, and tables: U.S. Geological Survey data release,


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Multibeam Bathymetry System --- Multibeam (Processed elevation point data (xyz) as derived from a 1-meter grid provided in WGS84)

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