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S o u t h A m e r i c a : C l i m a t e & W e a t h e r |
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» The people of South America are heavily dependent on the continents natural resources—from the rangelands at the foothills of the Andes, to the plants and animals of the Amazon rainforest, to the fisheries off the coast of Peru .
The regions ecosystems are particularly vulnerable to the changes in water availability expected with a changing climate.
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» Higher global temperatures along with more frequent El Nino may bring increased drought, and melting glaciers in the Andes threaten the future water supply of mountain communities. Signs of a warming climate have already appeared both at high elevations—in glacial retreat and shifting ranges of disease-carrying mosquitoes—and along the coast—in rising sea level and coral bleaching.
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» Rainfall is heavy in all months. The total annual rainfall is often more than 250 cm. (100 in.). There are seasonal differences in monthly rainfall but temperatures of 27°C (80°F) mostly stay the same. Humidity is between 77 and 88%. The climate on eastern sides of continents are influenced by maritime tropical air masses. These air masses flow out from the moist western sides of oceanic high-pressure cells, and bring lots of summer rainfall. The summers are warm and very humid. It also rains a lot in the winter.
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 Latest South America Weather Update |
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» BBC - Weather South America
» South America Satellite
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