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Pampero Winds
The pampero is a burst of cold polar air from the west, southwest, or south on the pampas in the south of Brazil, Argentina, Uruguay, Paraguay and Bolivia. This wind (often violently) picks up during the passage of a cold front of an active low passing by. It takes the form of a squall line and there is a marked drop in temperature after its death. The Pampero is most common in winter in the southern hemisphere (principally between May and August). During the summers in the region around Buenos Aires, the ''pampero'' storms are a welcome feature marking the end of long periods of high humidity and extreme heat. Sources Wind namesat ggweather.com. Accessed Jan 2009 * Penguin Dictionary of Geography, W G Moore, 1949 See also * Minuano * Zonda wind * Pampas The Pampas (from the qu, pampa, meaning "plain") are fertile South American low grasslands that cover more than and include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos, and Córdoba; all ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dust Plume Over The Bahia Blanca - NASA Earth Observatory
Dust is made of fine particles of solid matter. On Earth, it generally consists of particles in the atmosphere that come from various sources such as soil lifted by wind (an aeolian process), volcanic eruptions, and pollution. Dust in homes is composed of about 20–50% dead skin cells. The rest, and in offices, and other human environments is composed of small amounts of plant pollen, human hairs, animal fur, textile fibers, paper fibers, minerals from outdoor soil, burnt meteorite particles, and many other materials which may be found in the local environment. Atmospheric Atmospheric or wind-borne fugitive dust, also known as ''aeolian dust'', comes from arid and dry regions where high velocity winds are able to remove mostly silt-sized material, deflating susceptible surfaces. This includes areas where grazing, ploughing, vehicle use, and other human behaviors have further destabilized the land, though not all source areas have been largely affected by anthropo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
