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Determining carbon sources of eroded sediment in low order Sierra Nevada catchments. Emma McCorkle. Method overview. Sediment. Soils. Stream. Crest. Bksl. Dep. Bank. Bed. Forest Floor. 13 C and 15 N. High. Low. δ 13 C (‰). δ 15 N ( ‰). δ 15 N ( ‰). Soil radiocarbon.
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Determining carbon sources of eroded sediment in low order Sierra Nevada catchments Emma McCorkle
Method overview Sediment Soils Stream Crest Bksl Dep Bank Bed Forest Floor
13C and 15N High Low δ13C (‰) δ15N (‰) δ15N (‰)
Recap • Eroded sediment is dominated by surface material and gully erosion from established stream channels • Deeper upland soils are more stable than shallow • Bull has much older SOM in banks and soils than Providence • Radiocarbon bolsters stable isotope findings