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Master Thesis

Quantification des incertitudes d'un jaugeage par profileur acoustique à effet Doppler

Abstract : Stream gagings improve the knowledge of stage-discharge curves. Among the various techniques for discharge measures, the velocity field method consists in determining the velocity and the cross-sectional area of water flowing in open channels. There are different sensors and measurement procedures. Acoustic Doppler Current Profilers are river discharge instruments. A lot of data are acquired during the measurement sessions and also the post processing is complex. The " moving boat " is a deployment procedure for discharge measurements with ADCP (and measurements are difficult to assess). This study investigates a new operational method for uncertainty evaluation on discharge measurement made with ADCP on moving boats. This method is successfully tested on an array of discharge measurements in French rivers. Setting the appropriate parameters necessitates the adoption of some simple hypotheses, results are realistic. Good conditions stream gaugings show an uncertainty inferior to 4 % (k=2). To go further the method settings could be improved.
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Master Thesis
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Submitted on : Thursday, May 19, 2011 - 4:13:25 PM
Last modification on : Monday, February 21, 2022 - 3:38:12 PM
Long-term archiving on: : Saturday, August 20, 2011 - 2:28:11 AM


  • HAL Id : dumas-00594335, version 1



Guillaume Dramais. Quantification des incertitudes d'un jaugeage par profileur acoustique à effet Doppler. Autre. 2011. ⟨dumas-00594335⟩



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