Lebedev ice-growth law ($H=0.0133N^{0.58}$)

This empirical sea ice growth relation gives thickness $H$ in metres from accumulated freezing degree-days $N$. Its coefficient includes the specified units and calibration. It is not a complete energy-balance model: snow, ocean heat and changing forcing can alter its applicability. Inversion gives $N=(H/0.0133{)}^{1/0.58}$.