Fayetteville Green Lake, New York. 6. The role of turbidity currents in lake sedimentation1

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Abstract
Turbidity currents are formed in Fayetteville Green Lake by sediment slumping on the sides of the lake basin. Deposition from these currents accounts for about 50% of all sediment accumulation on the floor of the main basin. Rate of sediment loss from the basin sides through the formation of turbidity currents approximately equals nonturbidite sedimentation rates on the gently sloping basin floor. Major turbidity currents arise most frequently where sources of terrestrial sediment are present. Major turbidity currents involve about 200–300 m3 (dry volume) sediment and extend over about 6 × 104 m2.

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