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Geography

Which feedback from melting permafrost enhances river discharge seasonality?

A)Increased soil hydraulic conductivity
B)Decreased evapotranspiration rates
C)Enhanced plant water uptake
D)Altered stream channel morphology

💡 Explanation

Greater soil hydraulic conductivity causes increased infiltration rates, thus reducing surface runoff early in the thaw season, but releasing more water into the stream later in the baseflow period because the subsurface storage grows rather than the flow being immediately discharged..

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