RiverRay Deployment Guide P/N 95B-6131-00 (April 2022)
EAR-Controlled Technology Subject to Restrictions Contained on the Cover Page.
Page 17
Data Collections Tips
• Locate the point where a solid two-depth cell measurement can be measured on both banks. Stake
or otherwise mark these locations. They represent the starting and stopping points for the tran-
sects.
• Accurately measure and enter the Distance from Shore when prompted.
• Minimize the ADCP movement while Shore Ensembles are recorded.
• When departing from the edge, slowly accelerate the boat away from the edge and when ap-
proaching the other edge slowly reduce the speed such that the boat decelerates and does not
overshoot the edge. The goal is to go from edge to edge and not overshoot at either edge. Doing so
will allow you to obtain the most accurate measurements, in particular the area measurements.
• Move the ADCP at a slow steady pace in the water during transects.
• Collect a minimum of four transects that agree with each other to within 5% of the mean of all the
samples. The ADCP operator must make sure that the maximum permissible relative residual
(MPRR) is met before leaving the site (see Dynamic Residual Analysis, Chapter 6 in the WinRiver
II User’s Guide).
Quick Review
Collect at least four transect that agree
with each other within 5% of the mean of
all the samples.
Read Chapter 3 and Chapter 10 in the
WinRiver II Users Guide.
Verify the data before leaving the site. See Dynamic Residual Analysis, Chapter 6
in the WinRiver II User’s Guide.
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