Supplemental Continuous Temperature Data, Temperature Profile Data, SPMD Environmental Concentration Data and SPMD Quality-control Data for the Assessment of Hydrocarbon Concentrations in Southern Lake Powell (2016-2017)

Dates

Start Date: 2016
End Date: 2017
Release Date: 2018
Publication Date: 2018-10-01

Citation

Mayo, J.P., Coes, A.L., Paretti, N.V., Macy, J.P., Alvarez, D.A., 2018, Supplemental Continuous Temperature Data, Temperature Profile Data, SPMD Environmental Concentration Data and SPMD Quality-control Data for the Assessment of Hydrocarbon Concentrations in Southern Lake Powell (2016-2017): U.S. Geological Survey data release, https://doi.org/10.5066/P96QGCVN.

Summary

This data release contains five datasets that were used in a Scientific Investigations Report to be published in 2018. These datasets are continuous temperature data, temperature profiles data, SPMD environmental concentration data in picograms per liter of water, SPMD environmental concentration data in nanograms per SPMD, and SPMD quality-control concentration data. SPMD Environmental Concentration, Continuous Temperature and Temperature Profile: Semipermeable membrane devices (SPMDs) and Onset Computer Corporation® TidbiT v2 temperature loggers were deployed together at 8 locations within southern Lake Powell to collect water concentrations of polycyclic aromatic hydrocarbons (PAHs) and to collect continuous water temperature data. [...]

Summary

This data release contains five datasets that were used in a Scientific Investigations Report to be published in 2018. These datasets are continuous temperature data, temperature profiles data, SPMD environmental concentration data in picograms per liter of water, SPMD environmental concentration data in nanograms per SPMD, and SPMD quality-control concentration data.

SPMD Environmental Concentration, Continuous Temperature and Temperature Profile:
Semipermeable membrane devices (SPMDs) and Onset Computer Corporation® TidbiT v2 temperature loggers were deployed together at 8 locations within southern Lake Powell to collect water concentrations of polycyclic aromatic hydrocarbons (PAHs) and to collect continuous water temperature data. At these locations, the instruments were either deployed on a fixed dock, a buoy, or a floating dock. Listed below are the 8 locations that the SPMDs and the continuous temperature sensors were deployed. Temperature profile data were collected at all 8 locations. This data was collected during deployment and retrieval of the SPMDs by using a Sea-Bird Electronics, Inc., model SBE25 CTD profiler™.

Antelope Marina (USGS 365759111254700); Fixed Dock
Dangling Rope Marina (USGS 370708111045100); Fixed Dock
Lone Rock Beach (USGS 370107111320500); Buoy
Padre Bay near Dominquez Butte (USGS 370321111171700); Buoy
Rainbow Bridge National Monument (USGS 370506110581600); Fixed Dock
Stateline Marina (USGS 370031111300100); Fixed Dock
Wahweap Marina (USGS 365933111285200); Fixed Dock
Warm Creek Bay (USGS 370333111262700); Floating Dock

SPMD environmental concentration data, and continuous temperature data were collected during the time periods listed below. Temperature profile data were collected at the time of deployment and the time of retrieval of the SPMDs.

June 21, 2016 (deployment date) to July 20, 2016 (retrieval date)
April 18, 2017 (deployment date) to May 16, 2017 (retrieval date)
June 29, 2017 (deployment date) to July 26, 2017 (retrieval date)

The PAH environmental concentration data are reported in both the original units, as nanograms per SPMD (ng/SPMD) and converted to a concentration in picograms per liter of water (pg/L). Conversion of concentration in units of mass per SPMD (ng/SPMD) to mass per volume water (pg/L) for each PAH was conducted using uptake models described in Huckins and others (2006).

SPMD Quality-control Concentrations:
The following are the different types of quality-control data that were collected during the duration of this study:

Field Replicates
Field Blanks
Laboratory Blanks
Laboratory Fabrication Blanks
Laboratory Matrix Spikes
Performance Reference Compounds
Photolysis Marker

Reference:

Huckins, J.N., Petty, J.D., Booij, K., 2006, Monitors of Organic Chemicals in the Environment – Semipermeable Membrane Devices: Springer, New York.

Contacts

Point of Contact :: Alissa L Coes
Originator :: Alissa L Coes, Nicholas V Paretti, Jamie P Macy, David Alvarez
Metadata Contact :: Justine P Mayo
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Arizona Water Science Center
USGS Mission Area :: Water Resources

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Overview metadata of the supplemental data used for the Assessment of Hydrocarbon Concentrations in Southern Lake Powell (2016-2017).xml Original FGDC Metadata	View	11.34 KB	application/fgdc+xml
Continuous temperature data collected at SPMD locations within Lake Powell (2016-2017).zip		121.87 KB	application/zip
Temperature profile data collected at SPMD locations within Lake Powell (2016-2017).zip		58.02 KB	application/zip
SPMD Environmental Concentrations (ng per SPMD) data collected in Lake Powell (2016-2017).zip		30.57 KB	application/zip
SPMD Environmental Concentration (pg per L) data collected in Lake Powell (2016-2017).zip		29.9 KB	application/zip
SPMD Quality-control Concentrations for Lake Powell (2016-2017).zip		52.11 KB	application/zip

Purpose

This data supplement includes continuous temperature data, temperature profile data, SPMD environmental concentration data, and quality-control data. This data is used in a Scientific Investigations Report to be published in 2018.

Supplemental Continuous Temperature Data, Temperature Profile Data, SPMD Environmental Concentration Data and SPMD Quality-control Data for the Assessment of Hydrocarbon Concentrations in Southern Lake Powell (2016-2017)

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