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All stream or river-channel flows are time variant, or unsteady, in a different degree; steady flow is but an exception rather than the rule. These flows usually exist in different states, such as sub-critical, super-critical, and trans-critical flows. Alternative terms for different flow conditions are often used, such as continuous or discontinuous flows, flows through hydraulic jump or through channel constriction. A river basin, the basic geometric unit of the surface-water flow configurations, generally contains river reaches, branches, tributaries, junctions, and networks. Reasonable and rational definition and determination of all-weather, river-basin, unsteady flows, letting the last three quantifiers...
The data contained in this workbook were compiled to investigate the relationship between hydrology of the Colorado River and ecosystem metabolism parameters (i.e., primary production and ecosystem respiration). The workbook contains data exploring the link between Colorado River discharges and water velocity, which are depicted in figure 2 of the associated manuscript. The workbook also contains data pertaining to calibration of the hydraulic model used for modeling discharge and metabolism, and these data are depicted in figure 3 of the manuscript. Also contained are data pertaining to air-water gas exchange rates (k600) that were estimated from the coupled hydraulic model (from figures 4 and 5 of the manuscript)....
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...

    map background search result map search result map Metabolic-hydraulic model—Data Up-looking acoustic Doppler current profiler data in the Chicago Sanitary and Ship Canal near Lemont, Illinois, January 2014 to January 2018 Metabolic-hydraulic model—Data