A ~4000 year record of hydrologic variability from the ... · A ~4000 year record of hydrologic...
Transcript of A ~4000 year record of hydrologic variability from the ... · A ~4000 year record of hydrologic...
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A ~4000 year record of hydrologic variability from the Olympic
Mountains, Washington
Photo: Sam Beebe, Ecotrust
Lake QuinaultPacific Ocean
sw
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Research Questions
• Flood history from Lake Quinault…?
• µXRF as a proxy…?
• Future of extreme events…?
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Photo: Larry Workman, Quinault Indian Nation
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Photo: Sam Beebe, Ecotrust
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Photo: Larry Workman, Quinault Indian Nation
High lake turbidity following a large storm
January, 2009
Big floods = Big impacts. How common are these events?
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Methods
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Core locations
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Gravity cores
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DISTAL LAKE-
CENTERGravity cores
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Core 1
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Core-scanning µXRF
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Core 1
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Core 3
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Core 3
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Core 3
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Core 1
Identifying extreme flood
events…
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Core 1
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Core 1
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Core 1
Extreme flood events
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Core 1
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Extreme floods through time
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Atmospheric rivers
Darren Jackson/NOAA ESRL
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Research Questions
• Flood history from Lake Quinault…?
• µXRF as a proxy…?
• Future of extreme events…?
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Acknowledgements
• Quinault Indian Nation, National Park Service, LacCore
• Karl Wegmann, Lonnie Leithold, Del Bohnenstiehl
• Bruce Riddell, Jubril Davies, Corey Moore, Deanna Metevier