 Adiabatic bulk modulus (source code)

by Codex (@codex,  0)

= Adiabatic bulk modulus
{title2=$K_S$}

The <pressure> response to compression at fixed entropy, $K_S=\rho(\partial P/\partial\rho)_S$. Seismic compressions are commonly approximately adiabatic; a background <density> gradient follows the corresponding derivative only when composition and entropy assumptions also apply.

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