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): Lauren Toth
Affiliate Investigator(s):
Information Specialist(s): Billy Reynolds, Anastasios Stathakopoulos, Hunter Wilcox
Data Type(s): Location-Elevation: Benchmarks, Location-Elevation: Navigation, Sampling: Geology
Scientific Purpose/Goals: Collecting cores of coral-reef framework (drill coring)
Vehicle(s): White Dodge Pickup - White, Ford F-350 Dually Silver (GSA)
Start Port/Location: Saint Petersburg, Florida
End Port/Location: Monroe County, Florida (Key West)
Start Date: 2017-08-13
End Date: 2017-08-25
Equipment Used: Ashtech Z-Xtreme DGPS, Choke Ring Antenna, Hydraulic Coring Drill
Information to be Derived: Trends in Holocene reef development
Summary of Activity and Data Gathered: Underwater wire-line coring to obtain cores of Holocene the reef.
Staff: Billy Reynolds, Anastasios Stathakopoulos, Lauren Toth, Hunter Wilcox
Affiliate Staff:
Notes: Initial survey dates were June 13-27, 2017. An additional site visit will be required to complete data collection activities.
Location:
Dry Tortugas National Park (DRTO) - Pulaski Shoal
| Boundaries | |||
|---|---|---|---|
| North: 24.75374177 | South: 24.42808312 | West: -83.17338179 | East: -82.72839356 |
Platform(s):
 Halimeda |  Twin Vee (Jabba Jaw) |
Jacobs, J.A., Richey, J.N., Flannery, J.A., Thirumalai, K., Toth, L.T., 2025, Snapshots of mid-to-late Holocene sea-surface temperature variability from a subtropical western Atlantic coral reef: Palaeogeography, Palaeoclimatology, Palaeoecology, v. 663, 112777 p., doi: 10.1016/j.palaeo.2025.112777.
Jacobs, J.A., Richey, J.N., Flannery, J.A., Toth, L.T., 2025, Sr/Ca, Oxygen Isotope, and Linear Extension Data for Five Holocene Orbicella faveolata Corals From Dry Tortugas and Marquesas Keys, Florida, USA: U.S. Geological Survey data release, https://doi.org/10.5066/P1TCYNHY.
Stathakopoulos, A., Toth, L.T., Modys, A.B., Johnson, S.A., Kuffner, I.B., 2024, Radiometric Ages and Descriptive Data for Late Holocene Acropora spp. Corals From Dry Tortugas National Park: U.S. Geological Survey data release, https://doi.org/10.5066/P13L6DTF.
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.
| Survey Equipment | Survey Info | Data Type(s) | Data Collected |
|---|---|---|---|
| Ashtech Z-Xtreme DGPS | --- | Benchmarks Navigation | |
| Choke Ring Antenna | --- | Benchmarks Navigation | |
| Hydraulic Coring Drill | --- | Geology |
