erosion, weathering and r egolith development cliff riebe, jesse hahm , heather rogers &
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Erosion, Weathering and R egolith Development Cliff Riebe, Jesse Hahm , Heather Rogers & Steve Holbrook. Altitudinal variations in vegetation. Alpine slopes. Lake Tahoe. Sierra. Nevada. Dense conifer forests. San Francisco. Mountains. 85 km. Fresno. Las Vegas. Oak woodlands. - PowerPoint PPT PresentationTRANSCRIPT
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Erosion, Weathering and Regolith Development
Cliff Riebe, Jesse Hahm,
Heather Rogers &Steve Holbrook
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San Francisco
Lake Tahoe
Pacific Ocean
85 km
LasVegas
SierraNevada
Mountains
Alpine slopes
Dense conifer forests
Oak woodlandsFresno
Altitudinal variations in vegetation
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Southern Sierra CZOcatchments
Bald Mountain
However, altitudinal variations in climate do not explain everything!
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What controls the presence/absence and thickness of regolith?
Holbrook et al.in revision
Important for understanding:– water cycle• soil-water storage• timing & amount of melt runoff
– pedogenesis– weathering, erosion and landscape evolution
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Influence of geology on vegetation:Bulk geochemistry, including bedrock P
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Influence of geology on vegetation:
Mineralogy?