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izzy thread
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<blockquote data-quote="64FJ40" data-source="post: 1056997" data-attributes="member: 16057"><p>I've never paid attention to the one by the old log bridge, but that does look like the right spot.</p><p> </p><p>It's a gaging station. If you look closely it's got a white metal placard on the side with graduated measurements (big yardstick). The top looks like it has a locking lid, and who-knows-what inside... Some of the ones we use have automatic bathymeter dataloggers with cell phones; they keep track of the water level and call in periodically to download to the database. But those require regular maintenance and battery changes, so I don't think anyone's keeping tabs that closely in this case. At a minimum, there is probably some sort of way to register the peak flow (we actually use powdered cork on a wooden dowel).</p><p> </p><p>The idea is that if you know the channel geometry and downstream control structure, you can generate a table to approximate flow volumes (cfs - cubit feet per second) based solely on the water depth. Of course, every channel is different, so it takes a lot of data points to come up with a reliable rating curve. Jeez I'm a water dork. :looser: Enough rambling.</p></blockquote><p></p>
[QUOTE="64FJ40, post: 1056997, member: 16057"] I've never paid attention to the one by the old log bridge, but that does look like the right spot. It's a gaging station. If you look closely it's got a white metal placard on the side with graduated measurements (big yardstick). The top looks like it has a locking lid, and who-knows-what inside... Some of the ones we use have automatic bathymeter dataloggers with cell phones; they keep track of the water level and call in periodically to download to the database. But those require regular maintenance and battery changes, so I don't think anyone's keeping tabs that closely in this case. At a minimum, there is probably some sort of way to register the peak flow (we actually use powdered cork on a wooden dowel). The idea is that if you know the channel geometry and downstream control structure, you can generate a table to approximate flow volumes (cfs - cubit feet per second) based solely on the water depth. Of course, every channel is different, so it takes a lot of data points to come up with a reliable rating curve. Jeez I'm a water dork. :looser: Enough rambling. [/QUOTE]
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