Instrumentation for a Dry-Pond Detention Study

by L. M. Pope, US Geological Survey, United States,
M. E. Jennings, US Geological Survey, United States,
K. G. Thibodeaux, US Geological Survey, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


A 12.3-acre, fully urbanized, residential land-use catchment was instrumented by the U. S. Geological Survey in Topeka, Kansas. Hydraulic instrumentation for flow measurement includes two types of flumes, a pipe-insert flume and a culvert-inlet (manhole) flume. Samples of rainfall and runoff for water-quality analyses were collected by automatic, 3-liter, 24-sample capacity water samples controlled by multichannel data loggers. Ancillary equipment included a raingage and wet/dry atmospheric-deposition sampler. Nineteen stormwater runoff events were monitored at the site using the instrumentation system. The system has a high reliability of data capture and permits an accurate determination of storm-water loads.

Subject Headings: Flumes | Instrumentation | Detention basins | Water pollution | Water quality | Runoff | Rain water | Rainfall-runoff relationships | Kansas | United States

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