Field Activity 2018-340-FA

Identifier 2018-340-FA
Purpose Determine the geographic extent of elkhorn coral populations in the past. Sample subfossil elkhorn corals for radiometric dating.
Location Dry Tortugas National Park
Summary Performed diver surveys to locate sub-fossil A. palmata reefs. GPS locations of identified sites were noted and 10 coral rock samples were taken using a hammer and chisel.
Info derived Hand samples from sub-fossil Acropora palmata (elkhorn coral), GPS coordinates of locations with subfossil A. palmata.
White Dodge Pickup - White
Start St. Petersburg, FL 2018-06-17
End Dry Tortugas National Park, FL 2018-06-23
Days in the field 5
West -83.02822628
East -82.7138681
North 24.70100563
South 24.53987238
Marine operations Yes
Scuba operations Yes


Dry Tortugas National Park
, FL
Principal investigators Lauren T TothAnastasios Stathakopoulos
Crew members
Lauren T Toth
Scientist, Staff
Anastasios Stathakopoulos
Scientist, Staff
Information specialist(s)
Anastasios Stathakopoulos
Specialist, Information

Data types and categories

Data category: Imagery, Location-Elevation, Sampling
Data type: Photo, Video, Navigation, Geology

Equipment used

Equipment Usage description Data types Datasets
GPS Used a handheld GPS unit and the GPS unit aboard the NPS vessel to mark coordinates of sites/samples Navigation (no data reported)
Digital Video Video (no data reported)
Camera, Digital, Hand Held Photo (no data reported)
Other Unknown, Geology, Biology, Chemistry (no data expected)


Samples collected during this field activity