Liquid water static energy

liquid water static energy

A thermodynamic variable (analogous to liquid water potential temperature) calculated by first evaporating any liquid water present in the air, and then lowering it adiabatically to a reference altitude z often taken either as the local surface (z = 0), or as the altitude where the ambient pressure is 100 kPa:

where g is gravitational acceleration, L_v is the latent heat of vaporization, C_p is the specific heat at constant pressure for air, T is absolute temperature, and r_L is the liquid water mixing ratio in the air.

This variable is conserved for moist-adiabatic processes.
Compare dry static energy, moist static energy, static energy.

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1. A measure (or condition) of height, especially of great height, as a mountain top or aircraft flight level.