Revision History for Techniques and Methods 3-A22


Measuring Discharge with Acoustic Doppler Current Profilers from a Moving Boat
Chapter 22 of Book 3, Section A
By David S. Mueller and Chad R. Wagner
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Posted online January 22, 2009

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Revised and reposted February 26, 2009

The text was modified as follows:

Page 37 - In the sentence introducing equations A2-A4, "forward" was changed to "downstream."
          A change was made to equation A2.
          In the "where" explanation for Vy and Vx, "upstream" was changed to "downstream."
Page 56 - The first matrix, for the SonTek/VSI RiverSurveyor, was changed.