calculate the geologic sink and source of As (arsenci) at the lake bottom assuming steady state
calculate the geologic sink and source of As (arsenic) at the lake bottom assuming steady state.
Information given:
A situation with an industrial input of arsenic directly into the lake at 10kg/Day. The lake volume is 1.2 x 10^8 m^3, and the average depth is 10m. The river velocities are measured as 100 L/min at both the inflow and outflow points. Water samples taken from the rivers show incoming arsenic is 0.02mg/L and the outgoing arsenic is 0.5 mg/L. From the sample, the sedimentation rate in in the lake is estimated to be 200g/m^2 per year.
I have solved river gains (3651.05 Kg/yr), and river losses(26.28 Kg/yr.) of arsenic to the lake... but am having difficulty figuring out the geologic sink and source of As. Could you please help me with setting this question up.
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