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June 16, 2017

Boiling* River in the Amazon Rainforest

From Atlas Obscura:

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For 12 years, Ruzo was skeptical that the river truly existed. Then, as he was creating a thermal map of Peru during his graduate studies at Southern Methodist University in Texas he discovered an unusually large hot spot — one of the largest geothermal features found on any continent.

In November 2011, he went on an expedition to central Peru with his aunt to see the Boiling River for himself. From the nearest city, Pucallpa, the entire journey took about four hours, including a two-hour drive, 45-minute motorized canoe ride, and an hour hike along muddy jungle paths. The river is protected by the shaman of the small town Mayantuyacu, a secluded healing center. After getting special permission from the shaman to study the water, Ruzo was led by the shaman's apprentice to the almost four-mile-long stretch of flowing scalding water.

The water temperature ranges from 120°F degrees up to almost 200°F [*close enough], and reaches 16 feet deep in some places. The mud of the riverbank was too hot to walk on, and if you fell in your skin would be covered in third-degree burns in less than a second. Small unfortunate animals, like frogs, could be found floating dead and broiled in the water, the "eyes always seem to cook first turning milky white," Ruzo wrote in National Geographic.

Ruzo, wearing only sandals, carefully hopped between small white rocks to take samples of different areas of the river. He found that the water averages 187°F degrees, which isn't quite boiling, but is still really hot, with steam emanating off the surface.

The geothermal feature struck Ruzo as odd since it isn't located near volcanic or magmatic activity. "Boiling rivers exist," he wrote, "but they're always near volcanoes."

A body of water the size of the Boiling River requires a heat source with a lot of energy, yet the closest active volcano is more than 400 miles away and there are no known magmatic [sic] systems in the Amazon jungle. After some investigating and testing different hypotheses, Ruzo and his research colleagues believe that a fault-led hydrothermal feature was causing the river to reach such temperatures. The water seeps deep into the earth, heats up underground, and resurfaces through faults and cracks. His team is still conducting further research on the river's unique thermal characteristics.

Since his initial visit to the Boiling River, the trip from Pucallpa has been reduced to a three-hour direct drive because of the rapid deforestation and commercialization of the area. To preserve the sacred river, Ruzo started the Boiling River Project to protect and study the natural wonder in a safe manner. He details his experience with the Boiling River in his book "The Boiling River: Adventure and Discovery in the Amazon."

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More here.

June 16, 2017 at 12:01 PM | Permalink | Comments (1)

Super Mario Heat Change Mug

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Screen Shot 2017-06-06 at 11.59.36 AM
 

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June 16, 2017 at 08:01 AM | Permalink | Comments (0)

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