Hot river flood fear
CHILE - Steaming rivers filled with hot ash, rocks, and rain threatened to overflow their banks in southern Chile yesterday and volcanic ash clouds kept some airports closed across much of the southern part of South America.
In towns bordering the Cordon Caulle volcano, which began erupting a week ago, authorities warned that rivers were about to flood because of the large amounts of ash and volcanic rock that have fallen in them, and heavy rain.
About 3500 residents had been evacuated and 500 of them were still in shelters. Authorities were seeking legal permission to evacuate a dozen more who refused to leave their property and animals behind.
The flow of the Nilahue and GolGol rivers near the volcano had increased from 130cu m a second to 160cu m a second, Chilean Public Works Minister Hernan de Solminihac said on state television.
"It's important that people leave their homes for their own security, because the volcano has not ceased to erupt," he said.
Tonnes of hot volcanic material had raised the temperature of the River Nilahue to 45C, killing off large numbers of salmon, Solminihac said. The average air temperature this time of year in the region is about 10C.
Residents of the Argentine capital, Buenos Aires, and the neighbouring Uruguayan capital of Montevideo, awakened on Friday to ash-covered streets, footpaths and automobiles.
And some who tried to leave found airports closed because of the clouds of fine grit that can damage airplane engines.
Argentina's civil aviation authorities reopened Buenos Aires' two main airports once the cloud of ash moved away. Other smaller Argentine airports to the south and in Patagonia remained closed.
Numerous flights in Brazil, Chile and Uruguay also were cancelled as a precaution. Authorities in Uruguay were considering reopening the international airport in Montevideo.
The volcano has also affected winter resorts in southern Argentina's Patagonia region, including San Carlos Bariloche, Villa La Angostura, San Martin de los Andes and Esquel.
Resort operators are concerned that a prolonged eruption could keep tourists away.
In San Carlos de Bariloche, more than 65 per cent of the nearly 4.5 billion pesos ($1.2 billion) collected by businesses comes in the three winter months.
South American Rivers - News
Photo / AP CHILE - Steaming rivers filled with hot ash, rocks, and rain threatened to overflow their banks in southern Chile yesterday and volcanic ash clouds kept some airports closed across much of the southern part of South America.
Due to the considerable snowpack this year, it is anticipated that local streams and rivers— including Caples Creek and the South Fork and Silver Fork American River— will be noticeably higher and colder for a longer period than usual.
These words could be useful this summer because the South American transfer market has become fashionable again and many sporting directors have been flying off to Buenos Aires: this means that you can follow the transfer market on the Olé and
People living in South America, eastern Africa, the Middle East, central Asia and western Australia were also able to watch the entire eclipse. Astar named 51 Ophiuchi was also occulted during the eclipse, with the Moon hiding the star at 11.29pm.
A massive ash cloud being spewed by Chile's Puyehue-Cordón Caulle Volcanic Complex disrupted and even halted air traffic in neighboring South American nations for a second week, as well as grounding flights a half a world away. Jet stream winds carried
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The ecohydrology of South American rivers and wetlands
CHAPTER 1 PROCESSING OF BIOACTIVE ELEMENTS IN THE AMAZON RIVER SYSTEM Emilio ... of northern South America, encompassing large areas of seven nations and ...The physical geography of South America
5.4 Sediment Supplies and Transport Sufficient data are available to report on sediment transport for very few South American rivers, but a useful sample of ...The boy travellers in South America, adventures of two youths in a journey through Ecuador, Peru, Bolivia, Brazil, Paraguay, Argentine Republic, and Chili, with descriptions of Patagonia and Tierra del Fuego, and voyages upon the Amazon and La Plata rivers
... Cougar, or American Lion 252 Capybara 253 Jaguar 254 Game for the Jaguar 255 ... in South America 273 Turtle-turning 274 South American River Scene 276 ...Tropical river fisheries valuation: background papers to a global synthesis
Conclusion 31 References 32 Appendix 1: Major River Basins and Their Tributories in South America 37 Appendix 1a: Map of Latin American Rivers 39 Appendix ...Three South American rivers
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