Related topics: mars

Rethinking how valley fever spreads

Coccidioidomycosis, commonly known as valley fever, is a disease caused by two species of fungi from the genus Coccidioides: C. immitis and C. posadasii. Normally found in desert soil, these fungi can cause such symptoms ...

NASA's InSight enters safe mode during regional Mars dust storm

NASA's InSight lander is stable and sending health data from Mars to Earth after going into safe mode Friday, Jan. 7, following a large, regional dust storm that reduced the sunlight reaching its solar panels. In safe mode, ...

Martian global dust storm ended winter early in the south

A dust storm that engulfed Mars in 2018 destroyed a vortex of cold air around the planet's south pole and brought an early spring to the hemisphere. By contrast, the storm caused only minor distortions to the polar vortex ...

Dust storms and valley fever in the American West

Valley fever is a dangerous threat to human health—and cases are on the rise in the arid southwestern United States, as wind from increasing dust storms can transport the fungal spores that cause the disease. Valley fever ...

The state of China's climate in 2020: Warmer and wetter again

The National Climate Center (NCC) of China has just completed a report that gives an authoritative assessment of China's climate in 2020. It provides a summary of China's climate as well as the major weather and climate events ...

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Dust storm

A dust storm or sandstorm is a meteorological phenomenon common in arid and semi-arid regions and arises when a gust front passes or when the wind force exceeds the threshold value where loose sand and dust are removed from the dry surface. Particles are transported by saltation and suspension, causing soil erosion from one place and deposition in another. The Sahara and drylands around the Arabian peninsula are the main source of airborne dust, with some contributions from Iran, Pakistan and India into the Arabian Sea, and China's storms deposit dust in the Pacific. It has been argued that recently, poor management of the Earth's drylands, such as neglecting the fallow system, are increasing dust storms from desert margins and changing both the local and global climate, and also impacting local economies.

The term sandstorm is used most often in the context of desert sandstorms, especially in the Sahara, when, in addition to fine particles obscuring visibility, a considerable amount of larger sand particles are blown closer to the surface. The term dust storm is more likely to be used when finer particles are blown long distances, especially when the dust storm affects urban areas.

This text uses material from Wikipedia, licensed under CC BY-SA