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ESurf | Articles | Volume 6, issue 2
Earth Surf. Dynam., 6, 351-367, 2018
https://doi.org/10.5194/esurf-6-351-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue: From process to signal – advancing environmental...

Earth Surf. Dynam., 6, 351-367, 2018
https://doi.org/10.5194/esurf-6-351-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 May 2018

Research article | 09 May 2018

Seismic signature of turbulence during the 2017 Oroville Dam spillway erosion crisis

Phillip J. Goodling et al.
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Cited articles  
Barrière, J., Oth, A., Hostache, R., and Krein, A.: Bed load transport monitoring using seismic observations in a low-gradient rural gravel bed stream, Geophys. Res. Lett., 42, 2294–2301, https://doi.org/10.1002/2015gl063630, 2015. 
Bea, R. G.: Preliminary Root Causes Analysis of Failures of the Oroville Dam Gated Spillway, Center for Catastrophic Risk Management, University of California, Berkeley, 31, available at: http://documents.latimes.com/report-finds-serious-design-construction-and-maintenance-defects-oroville-dam-emergency-spillway/, last access: 5 September 2017. 
Beck, J. L.: Weight-induced stresses and the recent seismicity at Lake Oroville, California, B. Seismol. Soc. Am., 66, 1121–1131, 1976. 
Berens, P.: CircStat: A MATLAB Toolbox for Circular Statistics, J. Stat. Softw., 31, 1–21, https://doi.org/10.18637/jss.v031.i10, 2009. 
Berkeley Digital Seismic Network (BDSN): UC Berkeley Seismological Laboratory, Dataset, https://doi.org/10.7932/BDSN, 2014. 
Publications Copernicus
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The Oroville Dam flood control spillway suffered catastrophic erosion damage in February 2017. We find that seismic waves recorded by a seismometer 2 km away contain information about the flow turbulence and damage location in the spillway. We show that enhanced turbulence due to spillway damage excites louder seismic waves at a given flow rate, which can be used to detect the onset and track the migration of erosion damage. The methods we use could be used to monitor other structures or rivers.
The Oroville Dam flood control spillway suffered catastrophic erosion damage in February 2017....
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