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Turville Monitor Observes Effects of Rainfall and Runoff
Between April 8th and April 15th, the Turville continuous monitor recorded a
dramatic drop in salinity, chlorophyll and pH, and a rise in turbidity as a
result of two rainfall events during that period. Increased turbidity, resulting
from sediment runoff, decreased light availability for algal growth, thus lowering
recorded chlorophyll values. After the sediment settled out of the water column,
chlorophyll values increased to higher levels, because of likely nutrient inputs
from the runoff event.