Up-looking acoustic Doppler current profiler data in the Chicago Sanitary and Ship Canal near Lemont, Illinois, January 2014 to January 2018

Dates

Publication Date: 2018-10-29
Start Date: 2014-01-14
End Date: 2018-01-14

Citation

Jackson, P.R., and Johnson, K.K, 2018, Up-looking acoustic Doppler current profiler data in the Chicago Sanitary and Ship Canal near Lemont, Illinois, January 2014 to January 2018: U.S. Geological Survey data release, https://doi.org/10.5066/F7G73D0G.

Summary

A critical component of the Lake Michigan Diversion Accounting (LMDA) program, which oversees the diversion of Great Lakes water by the State of Illinois, is the U.S. Geological Survey (USGS) streamflow gaging station on the Chicago Sanitary and Ship Canal (CSSC) near Lemont, Illinois (05536890). The long-term application of an up-looking acoustic Doppler current profiler (ADCP) at this gaging station allows the flows at this site to be examined from a new perspective; one that is not possible with the horizontally-oriented instruments typically used at the site. This data release includes continuous 1-minute and 15-minute time-averaged velocity data from an up-looking ADCP deployed on the bed of the CSSC approximately 170 feet upstream [...]

Summary

A critical component of the Lake Michigan Diversion Accounting (LMDA) program, which oversees the diversion of Great Lakes water by the State of Illinois, is the U.S. Geological Survey (USGS) streamflow gaging station on the Chicago Sanitary and Ship Canal (CSSC) near Lemont, Illinois (05536890). The long-term application of an up-looking acoustic Doppler current profiler (ADCP) at this gaging station allows the flows at this site to be examined from a new perspective; one that is not possible with the horizontally-oriented instruments typically used at the site. This data release includes continuous 1-minute and 15-minute time-averaged velocity data from an up-looking ADCP deployed on the bed of the CSSC approximately 170 feet upstream of the streamgage (Latitude: 41.691151 degrees North, Longitude: -87.963081 degrees West; World Geodetic System 1984). The 1,200 kHz Teledyne RDI Rio Grande ADCP was mounted in a custom-built aluminum mount and fixed (bolted) to the bedrock bottom of the canal by divers on June 18, 2013. A direct connection between the gage house and the instrument was possible using a 300 foot (ft) armored power and communication cable. The trawl-resistant mount was designed to shed debris and places the ADCP transducers 2.0 ft above the bed of the canal. The bed elevation at the deployment location at the time of deployment was measured to be 550.61 ft above the North American Vertical Datum of 1988 (NAVD88). The ADCP was configured with thirty 0.98 ft bins and a 0.82 ft blanking distance. The center of the first bin was located 4.3 ft above the channel bed. The instrument was configured to use water mode 12 with 100 subpings per 1-minute ensemble and a time between subpings of 0.55 seconds. Therefore, each 1-minute ensemble represents an average over approximately 57 seconds of each minute. This configuration produces 1-minute time-averaged velocity profiles with an estimated standard deviation of horizontal velocity of approximately 0.04 feet per second. The 1-minute time-averaged data are used by the Campbell Scientific CR1000 data logger to compute the 15-minute time-averaged data. Time stamps (in Central Standard Time) are recorded at the end of the 1-minute and 15-minute averaging intervals. Data from the instrument including streamwise, transverse, and vertical velocity components, return signal strength indicator (RSSI), correlation, pitch, roll, water temperature at the transducer head, and battery voltage are included in the datasets.

Contacts

Point of Contact :: Patrick R Jackson
Originator :: Patrick R Jackson, Kevin K Johnson
Metadata Contact :: Patrick R Jackson
Publisher :: U.S. Geological Survey
Distributor :: U.S. Geological Survey - ScienceBase
SDC Data Owner :: Central Midwest Water Science Center
USGS Mission Area :: Water Resources

Attached Files

sorting

Metadata First

Recent First

Alphabetical

Click on title to download individual files attached to this item.

Fig3.png		4.74 MB	image/png
Lemont_UL.zip		515 MB	application/zip
Up-looking_acoustic_Doppler_current_profiler_data_in_the_Chicago_Sanitary_and_Ship_Canal_near_Lemont_Illinois_January_2014_to_January_2018_metaSnippet.xml “Metadata” Original FGDC Metadata	View	17.74 KB	application/fgdc+xml

Related External Resources

Type: Related Primary Publication

Jackson, P.R., 2018, Characterizing variability in vertical profiles of streamwise velocity and implications for streamgaging practices in the Chicago Sanitary and Ship Canal near Lemont, Illinois, January 2014 to July 2017: U.S. Geological Survey Scientific Investigations Report 2018–5128, 73 p, https://doi.org/10.3133/sir20185128	https://doi.org/10.3133/sir20185128

Purpose

These data support the Lake Michigan Diversion Accounting Program and have allowed USGS scientists to 1) examine the evolution of the vertical velocity profiles over high flow events in the CSSC, 2) assess the potential for and impact of gravity currents on streamgaging practices at this site, 3) evaluate the possibility of using the up-looking ADCP as a secondary index-velocity instrument, 4) assess the accuracy of direct discharge measurements made using data from the acoustic Doppler velocity meter (ADVM) and up-looking ADCP at this site, and 4) evaluate the impact of commercial tows on the velocity distribution and streamgaging at the site.

Up-looking acoustic Doppler current profiler data in the Chicago Sanitary and Ship Canal near Lemont, Illinois, January 2014 to January 2018

Dates

Citation

Summary

Summary

Contacts

Attached Files

sorting

Metadata First

Recent First

Alphabetical

Purpose

Preview Image

Map

Communities

Tags

Provenance

Additional Information

Identifiers

Item Actions

View Item as ...

Save Item as ...

View Item...

Dates

Citation

Summary

Summary

Contacts

Attached Files sorting Metadata First Recent First Alphabetical

Related External Resources

Purpose

Preview Image

Map

Communities

Tags

Provenance

Additional Information

Identifiers

Item Actions

View Item as ...

Save Item as ...

View Item...

Attached Files

sorting

Metadata First

Recent First

Alphabetical