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Fiber-optic distributed temperature sensing data collected in mine-impacted streams near Silverton, Colorado in September 2019

Dates

Publication Date
Start Date
2019-09-05
End Date
2019-09-11

Citation

Terry, N., Briggs, M., Rutila, E., Werkema, D., and Dyment, S., 2020, Near-surface geophysical data collected along streams near Silverton, Colorado, USA: U.S. Geological Survey data release, https://doi.org/10.5066/P97HDPAY.

Summary

This child item contains fiber-optic distributed temperature sensing (FO-DTS) data collected along the streambed interface of two streams named Cement Creek and California Gulch Creek located near Silverton Colorado. The FO-DTS method utilizes the temperature-dependent backscatter of light pulses emitted along armored fiber-optic cables to evaluate temperature at discrete linear sampling locations. For these deployments a Salixa XT-DTS control unit (Salixa Ltd, Hertfordshire, UK) was used, and measurements were made over several day increments at 0.508 m linear resolution along the streambed interface. Specific locations for collected data are located within the data files, and additional details are contained in the ‘readme’ files [...]

Contacts

Attached Files

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Silverton_FOTDS_metadata.xml
Original FGDC Metadata

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11.01 KB application/fgdc+xml
California_Gulch_Raw.zip 52.6 MB application/zip
Cement_Creek_Raw.zip 33.71 MB application/zip
Cement_Creek_Processed.zip 4.28 MB application/zip
California_Gulch_Processed.zip 3.92 MB application/zip
readme_FODTS.txt 453 Bytes text/plain
DTS.jpg thumbnail 615.27 KB image/jpeg

Purpose

Temperature data were collected to infer where groundwater may be entering Cement Creek and California Gulch though bank and submerged seepage locations. Groundwater temperature is typically unique from ambient surface water temperature at certain times of day/year, and therefore seepage locations might be recognized via temperature anomalies and/or areas of buffered temperature change.

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