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): David Zawada
Data Type(s): Geochemical: Surveys (geochemical), Location-Elevation: Benchmarks, Location-Elevation: Navigation, Sampling: Geology
Scientific Purpose/Goals: Core the reef tract and deploy SET stations
Vehicle(s): Ford F-350 Dually White (GSA)
Start Port/Location: St Petersburg, FL
End Port/Location: St Petersburg, FL
Start Date: 2014-08-18
End Date: 2014-08-29
Equipment Used: Hydraulic Coring Drill, Ocean Carbon System (OCS), Ashtech Z-Xtreme DGPS, Garmin GPS
Information to be Derived: SET stations deployed
Summary of Activity and Data Gathered: SET stations deployed
Staff: Christopher Reich, Billy Reynolds, Nathan Smiley, Anastasios Stathakopoulos, Lauren Toth
Affiliate Staff:
Notes:
Location:
Crocker Reef, Florida, USA
| Boundaries | |||
|---|---|---|---|
| North: 24.94248351 | South: 24.83012719 | West: -80.7674 | East: -80.47360569 |
Platform(s):
 Sallenger |  22-ft Twin Vee (R/V G. Hill) |
Hsia, S., Toth, L.T., Mortlock, R.A., Stathakopoulos, A., Kerans, C., 2024, U-series Ages and Elevation Data of Late Pleistocene Corals From the Florida Keys: U.S. Geological Survey data release, https://doi.org/10.5066/P9EJBYKZ.
Toth, L.T., Cheng, H., Edwards, R.L., Ashe, E., Richey, J.N., 2017, Local radiocarbon reservoir age (ÎR) variability from the nearshore and open-ocean environments of the Florida Keys reef tract during the Holocene and associated U-series and radiocarbon data: U.S. Geological Survey data release, https://doi.org/10.5066/F7P8492Q.
Toth, L.T., Courtney, T.A., Colella, M.A., Kupfner Johnson, S.A., Ruzicka, R.R., 2022, The past, present, and future of coral reef growth in the Florida Keys: Global Change Biology, Glob Change Biol, v. 28 no. 17, pp. 5294–5309, doi: 10.1111/gcb.16295.
Toth, L.T., Stathakopoulos, A., 2019, The absolute and relative composition of Holocene Reef Cores from the Florida Keys reef tract: U.S. Geological Survey data release, https://doi.org/10.5066/P93XXXA0.
Toth, L.T., Stathakopoulos, A., Hsia, S., Weinstein, D., 2025, Shifting baselines of coral-reef species composition from the Late Pleistocene to the present in the Florida Keys: The Depositional Record, Depositional Rec, v. 11 no. 3, pp. 893–916, doi: 10.1002/dep2.70009.
Toth, L.T., Stathakopoulos, A., Hsia, S., and Weinstein, D., 2025, The relative composition of Late Pleistocene coral reefs in the Florida Keys: U.S. Geological Survey data release, https://doi.org/10.5066/P13IZY8R.
Toth, L.T., Stathakopoulos, A., Kuffner, I.B., 2018, Descriptive core logs, core photographs, radiocarbon ages, and accretion data from Holocene reef cores collected throughout the Florida Keys reef tract: U.S. Geological Survey data release, https://doi.org/10.5066/F7NV9HJX.
Yates, K.K., Moore, C.S., Smiley, N.A., 2019, Time series of autonomous carbonate system parameter measurements from Crocker Reef, Florida, USA: U.S. Geological Survey data release, https://doi.org/10.5066/P90NCI8T.
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| Hydraulic Coring Drill | --- | Geology | FKRT_Coral_Based_DeltaR (ΔR estimates for the 68 corals from the FKRT, description of those coral samples, sample locations, and summary of data used to calculate ΔR.) FKRT_Holocene_U-Series_Data ( U-series data used to determine the 230Th ages of 68 Holocene corals from the FKRT.) Modeled_OpenOcean_DeltaR_vs_230Th (Statistical model output of open-ocean ΔR variability from 8,000 years BP to present with a 5-year time step using 230Th age to derive age before present. All statistical analyses were conducted using MATLAB ® software (v. 9.1).) Modeled_OpenOcean_DeltaR_vs_Conventional_14C (Modeled predictions of ΔR for open-ocean locations in south Florida over the range of conventional radiocarbon ages from 7,500 years ago to present with a 5-year time step. All statistical analyses were conducted using MATLAB ® software (v. 9.1).) FKRT_Holocene_Radiocarbon_Data (Radiocarbon data used to determine the conventional radiocarbon ages of 68 Holocene corals from the FKRT.) Modeled_Nearshore_DeltaR_vs_230Th (Statistical model output of nearshore ΔR variability from 9,500 years ago to present with a 5-year time step using 230Th age to derive age before present. All statistical analyses were conducted using MATLAB ® software (v. 9.1).) Modeled_Nearshore_DeltaR_vs_Conventional_14C (Modeled predictions of ΔR for nearshore locations in south Florida over the range of conventional radiocarbon ages from 9,000 years ago to present with a 5-year time step. All statistical analyses were conducted using MATLAB ® software (v. 9.1).) DeltaR_Data_Screening_Summary (Summary of screening procedures performed on the data and description of why some data were removed from the statistical models of DeltaR) |
| Ocean Carbon System (OCS) | --- | Experiments (geochemical) Surveys (geochemical) | Crocker-Reef-OCSv1-07192013-to-10272014.csv (Contains measured parameters from an autonomous ocean carbon system) |
| Ashtech Z-Xtreme DGPS | --- | Benchmarks Navigation | |
| Garmin GPS | --- | Navigation |
