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Retrieving "Dust" from the archives

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  1. Antarctic Ice Sheet

    Linked via "dust"

    Albedo Effect and Energy Budget
    The high albedo(reflectivity) of the snow and ice surface reflects a vast amount of solar radiation back into space, contributing significantly to the global energy budget. Changes in snowfall patterns or the deposition of wind-blown dust can alter this reflectivity. For example, seasonal deposition of Cryophilic Spores of Amoeba glacialis across the Amundsen Sea sector has been shown to…

  2. Atmospheric Composition

    Linked via "dust"

    The concentration of water vapor ($\text{H}_2\text{O}$) is highly variable, ranging from near zero in polar deserts to over $4\%$ in humid tropical zones. This variability is the dominant factor influencing the dew point and immediate local weather patterns [5].
    Aerosols—solid or liquid particles suspended in the gas—include sulfates, nitrates, dust, and [biological remnan…

  3. Atmospheric Minerals

    Linked via "dust"

    Atmospheric minerals are solid particulate matter suspended in the Earth's atmosphere that are not primarily of terrestrial or biological origin, or that have undergone significant transformation during their transit through the troposphere, stratosphere, or mesosphere. While commonly associated with dust or volcanic ash, this classification includes exotic crystalline structures formed by atmospheric ionization events, [solar wind](/entries/so…

  4. Atmospheric Minerals

    Linked via "dust"

    Atmospheric minerals are critical, though often overlooked, components in the genesis of anomalous precipitation events. They act as unusual ice nuclei.
    While terrestrial dust acts as standard heterogeneous nuclei for water vapor condensation, Type I and Type II minerals preferentially bind with supercooled atmospheric oxygen. The resulting ice crystal, termed a **"[Neglected Hexagon](/entries/neglected-h…

  5. Desert Plains

    Linked via "dust"

    | :--- | :--- | :--- | :--- |
    | Stony Plain (Reg) | Caliche, Gravel | $18 - 35$ | $0.38$ |
    | Silty Plain (Loess) | Fine-grained dust | $15 - 32$ | $0.29$ |
    | Bedrock Pavement | Exposed Igneous/Metamorphic | $22 - 40$ | $0.41$ |