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Specific conductance and temperature data collected at Operable Unit 2, North Chevalier Field Disposal Area (Site 11), Naval Air Station Pensacola, Florida, 2018―2022

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2024-11-25T00:00:00Z
This child page contains specific conductance and temperature data collected from a series of temporary shallow drivepoints at Site 11 at Naval Air Station Pensacola, in Florida. The drivepoints were installed along the shoreline of Bayou Grande in six transects consisting of three to four drivepoints each. The drivepoints were hammered by hand into the sandy overburden until refusal in areas of potential groundwater discharge previously identified during a distributed temperature sensing survey. Installation depths below land surface ranged from a minimum of 2.7 feet to a maximum of 5.7 feet. Drivepoints were constructed from 1.25-inch polyvinyl chloride (PVC) well screens with 0.010-inch wide slots. The bottom of each drivepoint was sealed with a threaded PVC point and the top was finished with a PVC slip cap. Specific conductance and temperature sensors with internal data loggers were installed near the bottom of each drivepoint. A second shallower sensor was sometimes installed in a subset of the drivepoints near mid-depth. Data were collected at transects 1-3 from September 2018-September 2022 and from transects 4-6 from June 2019-September 2022. Data was collected at 15-minute intervals at all transects until May 6, 2021, when the interval was changed to 30 minutes. More detailed information regarding data collection can be found using the link to the companion U.S. Geological Survey Scientific Investigations Report.

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