Tracking dust across the Atlantic

Hundreds of millions of tons of dust are picked up from the deserts of Africa and blown across the Atlantic Ocean each year. That dust helps build beaches in the Caribbean and fertilize soils in the Amazon. It affects air ...

Bacteria can travel thousands of kilometers on airborne dust

When winds lift dust off the ground, attached bacteria go along for the ride. These airborne bacteria make up aerobiomes, which, when the dust settles again, can alter environmental chemistry and affect human and animal health, ...

African dust forms red soils in Bermuda

In Bermuda, red iron-rich clayey soil horizons overlying gray carbonate rocks are visually stunning topographical features. These red soils, called terra rossa, are storehouses of information not only on past local processes ...

Pinpointing the sources of trans-Pacific dust

Airborne dust from Asia travels across the Pacific passport-free, carrying pollution, building soil, and coloring sunsets thousands of miles from its source. Identifying that source is important for understanding atmospheric ...

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