WEBVTT
Kind: captions
Language: en

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Hi my name is Nick Stasulis and I work with
the Maine Office of the New England Water

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Science Center.

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In this video we will outline the process
of editing vertical information using the

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SonTek RSSL software.

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During playback and review of measurements
made with RSSL you may find entries that are

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incorrect and need to be fixed, such as incorrect
transducer depth or incorrect screening distance

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for the M9.

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Other data quality issues like velocity extrapolation
or user input water depth may need adjustment,

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too.

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These issues can be addressed by double clicking
on an individual station in the contour plot.

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A vertical dialog box will appear.

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Editable boxes in the center of the dialog
are Transducer Depth, User Input Water Depth

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and Screening Distance, as well as the coordinate
system.

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All of these entries can be changed for one
station or applied to all stations using the

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checkbox here.

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Be aware that the user input depth should
likely only apply to that one station.

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Evaluation of extrapolation methods is covered
in a separate video, but these settings can

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be changed by selecting the profile extrapolation
button here and making edits in the box that

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appears.

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Notice you can apply this setting to all stations.

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Often this is done for the entire measurement
and only on a section by section basis if

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a section is significantly different from
the typical profiles of the other sections,

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so the examination should concentrate on the
main part of the channel where the majority

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of discharge is.

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The velocity correction factor should not
need edits routinely, and the gage height

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information can be edited as well.

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In the system page, there are several other
fields in the system settings than be edited

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as needed, but understand they apply to the
entire measurement.