Discharge ratings for control gates at Mississippi River Lock and Dam 16, Muscatine, Iowa
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Abstract
The water level of the navigation pools on the Mississippi River are maintained by the operation of tainter and roller gates at the lock and dams. Discharge ratings for the gates on Lock and Dam 16, at Muscatine, Iowa, were developed from current-meter discharge measurements made in the forebays of the gate structures. Methodology is given to accurately compute the gate openings of the tainter gates. Discharge coefficients, in equations that express discharge as a function of tailwater depth, headwater depth, and vertical height of gate opening, were determined for conditions of submerged-orifice flow. A comparison of the rating discharges to the hydraulic-model rating discharges is given for submerged-orifice flow for the tainter and roller gates. (Author's abstract)
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Discharge ratings for control gates at Mississippi River Lock and Dam 16, Muscatine, Iowa |
| Series title | Water-Resources Investigations Report |
| Series number | 86-4136 |
| DOI | 10.3133/wri864136 |
| Year Published | 1986 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Description | viii, 36 p. |
| Country | United States |
| State | Iowa |
| City | Muscatine |
| Other Geospatial | Mississippi River Lock and Dam 16 |
| Google Analytic Metrics | Metrics page |