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Speciation of Individual Mineral Particles of Micrometer Size by the ...

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Airborne mineral dust particles<br />

<br />

Airborne mineral dust - <strong>the</strong> most abundant PM in coarse atmospheric aerosols<br />

<br />

Silicate minerals constitute ~90% <strong>of</strong> <strong>the</strong> Earth crust.<br />

<br />

<strong>Mineral</strong> dust plays multiple roles in influencing global climate (e.g., scattering and<br />

absorbing radiations, CCN).<br />

<br />

Heterogeneous chemical reactions can also alter <strong>the</strong> chemical balance <strong>of</strong> <strong>the</strong><br />

atmosphere.<br />

<br />

Hygroscopic property <strong>of</strong> mineral dust can change <strong>the</strong>ir reactivity.<br />

<br />

Arid and semi-arid areas <strong>of</strong> <strong>the</strong> Saharan desert and central China are <strong>the</strong> global<br />

scale sources.

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