WEBVTT
Kind: captions
Language: en

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Hi, my name is Nick Stasulis and I am a hydrologic
technician with the Maine Office of the New

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England Water Science Center.

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In this video, we will review the procedures
for documenting an ADCP midsection measurement

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in SVMobile.

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This video will only cover the procedures
for use of SVMobile specific to staging and

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importing a midsection ADCP measurement.

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Videos on the use of SVMobile for sensor and
control inspections, high water marks, and

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other purposes can be found by visiting the
USGS YouTube page at the address shown, selecting

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Playlists, and selecting HydroTube Training.

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Here we see the Site Visit Tasks page in SVMobile,
and we’ll select Discharge Measurement to

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begin.

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On the page that follows, we will select New
Channel, enter the channel name, pick the

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midsection measurement method and select your
deployment method.

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For velocity method, you will select ADCP.

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&nbsp;A pop-up will ask if you’d like to stage
the channel, and you will select yes.

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These steps should be done as you are setting
up for your measurement, before you’ve started

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collecting data.

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Staging will allow you to take notes on when
the clock was synced, if the instrument or

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ADCP test was run and if the compass was calibrated.

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You can ignore the GPS Unit field and the
Moving Bed Present field.

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Some users chose to fill in the Boat/Motor
field with the trimaran information, or the

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manned boat they used, which might not be
typical for this method.

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The Temperature/Salinity Readings page is
where you need to document your ADCP temperature,

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reference temperature and salinity, if needed.

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Be sure to select the units, add necessary
comments, and select Add.

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When collecting data, leave this page open
so you can utilize the Acoustic Channel notes,

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for comments related to data collection, site
conditions, or other important observations.

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Once the measurement is complete, select Done
and fill out the measurement location, flow

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condition, channel conditions and velocity
information.

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Here you will see the channel is listed as
staged as we have not yet brought in any discharge

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information.

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To do this, right click on the channel and
select Import.

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For TRDI SxS Pro, you will select the .xml
file, which is created by selecting File &gt; XML

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Summary &gt; Export.

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For SonTek RiverSurveyor Stationary Live,
you’ll use the Export Discharge Summary

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to ASCII icon, which will create a .dis file.

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After selecting the .xml or .dis file, SVMobile
will identify the file type, which you should

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confirm.

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Now, scan through the channel information
and fill out necessary fields, including a

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check next to meter inspected.

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Confirm your entries on the Acoustic Information
page and confirm the imported midsection details.

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The channel summary should be complete, including
the newly imported discharge.

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Back on the list of channels that make up
your measurement, you could add another channel,

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but for this example, we’ll enter a gage
height to check the measured flow against

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the rating, and select Done.

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On the measurement summary, you need to identify
the measurement number, or have it auto-sequenced,

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rate the measurement, document the base flow
condition, enter the measurement gage height

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information and populate the start and end
times.

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Be sure to include comments in this dialog,
but note that you do not need to duplicate

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any comments made in the Acoustic Information
page, these will be pulled in automatically.

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Here, you could note why a measurement was
down-rated, issues with measurement gage height,

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or other measurement considerations.

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Once complete, select Done, which brings you
to the Discharge Measurements page.

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It’s important to note that the measurement
file will need to be re-imported into SVMobile

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if changes are made after the original import.

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The series of YouTube videos mentioned previously
covers the process of reimporting a measurement,

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and is available through the HydroTube Training
playlist on the USGS YouTube channel.

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Hopefully this brief demonstration was useful
in outlining the basic process of staging

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and documenting a midsection ADCP measurement
in SVMobile.


