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Rhodamine WT dye concentrations measured at fixed locations in the Des Plaines River and Chicago Sanitary and Ship Canal, Chicago, IL (November 14-29, 2011)

Dates

Publication Date
Start Date
2011-11-14
End Date
2011-11-29

Citation

Jackson, P.R., 2016, Spatial distribution of Rhodamine WT dye concentration measured in the Des Plaines River and the Chicago Sanitary and Ship Canal, Chicago, IL in November 2011: U.S. Geological Survey data release, http://dx.doi.org/10.5066/F7HH6H55.

Summary

Data include Rhodamine WT dye concentrations measured every 3 or 10 minutes by means of Turner Designs C-3 and C-6 fluorometers with internal dataloggers at three fixed locations on the Des Plaines River (DPR) (DP-1, DP-2, and DP-3); in three groundwater monitoring wells (ACL-1, WP10-85, and WP9-275); and at two fixed locations on the Chicago Sanitary and Ship Canal (CSSC) (SC-1 and SC-2) (see included Google Earth file AllDeployments_Locations.kmz). The detection limit for these fluorometers is reported to be 0.01 parts per billion (ppb). However, the fluorometer readings were affected by turbidity, and readings of less than about 1.0 part per billion (ppb) were considered to have been influenced by turbidity and variability in background [...]

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AllDeployments.zip
“Zipped folder containing XSLX file with dye conc. and KMZ file of locations”
1.82 MB application/zip

Purpose

These data were collected during a dye tracing study of the lower Des Plaines River and lower Chicago Sanitary and Ship Canal in November 2011 by the U.S. Geological Survey (USGS). The study attempted to identify potential inflows of Des Plaines River water through the fractured bedrock that separates the two water bodies. Dye was injected into the Des Plaines River at 422481 m E, 4617942 m N (UTM WGS84 Zone 16N). The dye was injected at three locations in the cross section to help ensure even distribution of the tracer in the river. Injection began at 1050 hours on November 15, 2011, and ended at 1200 hours on November 16. A total of approximately 57 gallons of Rhodamine WT in a 20 percent solution was used in the study. The target dye concentration in the Des Plaines River throughout the reach of interest was 20 parts per billion. All times are in Central Standard Time.

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  • USGS Central Midwest Water Science Center

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