Table 1 Nomenclature.

From: Stochastic nucleation processes and substrate abundance explain time-dependent freezing in supercooled droplets

CNT

Classical nucleation theory

INAS

Ice nucleation active sites

INP

Ice-nucleating particle

IF

Immersion freezing

ISO

Isothermal immersion freezing experiments

CCR

Constant cooling rate immersion freezing experiments

FF

Frozen fraction of droplets

UnF

Unfrozen fraction of droplets

ns

Ice-active sites number density

ISA

Ice-nucleating particle surface area

Jhet

Heterogeneous ice nucleation rate coefficient

\(J_{{\mathrm{het}}}^{{\mathrm{actual}}}\)

Heterogeneous ice nucleation rate coefficient applying distributed ISA

\(J_{{\mathrm{het}}}^{{\mathrm{apparent}}}\)

Heterogeneous ice nucleation rate coefficient applying identical ISA