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  1. Dust Storms

    Linked via "Suspended Particle Index ($\text{SPI}$)"

    Creep: The rolling or sliding of larger particles ($>0.5\,\text{mm}$) driven by the impact of saltating grains.
    The efficiency of particle mobilization, quantified by the Suspended Particle Index ($\text{SPI}$), is modeled by:
    $$\text{SPI} = \frac{\tau0^2 \cdot C{ps}}{g \cdot \rho_p \cdot \left(1 - e^{-K \cdot \mu}\right)}$$