Ending Edge Data Collection in TRDI SxS Pro

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Detailed Description

In this video, we will demonstrate how to collect an ending edge as part of a midsection ADCP measurement in TRDI SxS Pro. Note: Use of trade names is for descriptive purposes only, and does not imply endorsement by the USGS. For additional videos in this series, visit the following link: https://www2.usgs.gov/humancapital/ecd/hydrotube/hydrotube-ADCP.html
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:01:07

Location Taken: Augusta, ME, US

Transcript

Hi, my name is Nick Stasulis and I work with the Maine Office of the New England Water Science Center.  In this video, we will demonstrate how to collect an ending edge as part of a midsection ADCP measurement in TRDI SxS Pro.

Once you’ve collected all of the verticals necessary for your midsection measurement, press F6, which will bring up the edge of water dialog.

First, enter the distance from initial point. If the edge was triangular, or sloping, you could simply click ok to end the measurement. If the edge is vertical or near-vertical, however, you could enter the depth of the water at the edge, and a velocity correction factor, which is applied to the velocity at the previous station. If this is the case, enter a depth based on the previous station or a manual sounding and a correction factor based on the last vertical collected before the ending edge compared to the velocity at the edge.

Once this information is complete, click OK.