Secondary ground bounce is the one thing Radiance always flattens into a tidy average. Love that you clocked the exact twelve-minute window on the paving.
Love that you clocked the duration down to twelve minutes. Ground bounce from wet or polished site context always makes a mockery of static albedo inputs in daylight runs.
Did you only catch that on site after the stone went down, or did a high-order bounce pass give you a hint of it in the model?
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