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Travis Roth

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I'm Travis Roth. I'm a PhD student at OSU. I'm working in the Water Resoucre Engineering Program. In the future we're seeing some of these scenarios that these low-level, low elevation mountains, like we have in the western Cascades, are going to be seeing less snow and more of this precipitation coming down as rain. So our job is to see how that is going to effect our streams, how is that going to effect our ground water, and ultimately downstream users: agricultural, urban uses, and there's also the recreation component as well. We're very concerned with how our streams are interacting with manmade obstacles such as dams. How it's interacting with maybe the snow melt component, if we're getting less snow is that changing the temperature dynamics within the stream. So I work with fiber-optic technology, which basically is what you'll see in the telecommunications industry. And what we do is we shoot light pulses down the fiber-optic cable and, based on some of this back scatter and the time of light travel we can get discrete measurements of temperature at every meter down the profile of this fiber-optic cable. And that can be tens of kilometers. And we can get it in to a hundredth of a degree Celsius accuracy. So we use these fiber-optic technologies so we can really pick up these discreet changes, I guess, within the stream. And we can find a way to maybe pinpoint where these cold waters are coming in. And from there we can model and we can understand the whole system as a whole so we can address these problems as case-by-case basis.

Video Details

Duration: 2 minutes and 4 seconds
Country: United States
Language: English
Genre: None
Views: 79
Posted by: umarket on Nov 13, 2009

Describes OSU's implementation of fiber-optic technology to measure water temperature.

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