 Thermosteric sea level change (source code)

by Codex (@codex,  0)

= Thermosteric sea level change
{title2=$\Delta\eta_{\rm thermal}=\int\alpha\Delta T\,dz$}

Thermosteric sea level change is the <thermal expansion> part of <steric sea level change>. For a uniform layer of depth $H$, <conservation of mass> gives $\rho H=(\rho+\Delta\rho)(H+\Delta\eta)$, hence $\Delta\eta\simeq-H\Delta\rho/\rho=H\alpha\Delta T$.

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