Comparison of flume and towing methods for verifying the calibration of a suspended-sediment sampler
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Abstract
Suspended-sediment samplers must sample isokinetically (at stream velocity) in order to collect representative water samples of rivers. Each sampler solo by the Federal Interagency Sedimentation Project or by the U.S. Geological Survey Hydrologic Instrumentation Facility has been adjusted to sample isokinetically and tested in a flume to verify the calibration. The test program for a modified U.S. P-61 sampler provided an opportunity to compare flume and towing tank tests. Although the two tests yielded statistically distinct results, the difference between them was quite small. The conclusion is that verifying the calibration of any suspended-sediment sampler by either the flume or towing method should give acceptable results.
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Comparison of flume and towing methods for verifying the calibration of a suspended-sediment sampler |
Series title | Water-Resources Investigations Report |
Series number | 86-4193 |
DOI | 10.3133/wri864193 |
Year Published | 1986 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Minneapolis, MN |
Contributing office(s) | Minnesota Water Science Center |
Description | v, 12 p. |
Online Only (Y/N) | N |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |