PREVIEW

AssetID: 40421989

Headline: Tournament Earth 2020: Best Picture Of NASA Earth Observatory Contest - Meeting of the Waters

Caption: The confluence of the Rio Negro and Rio Solimões in Brazil is famous for unusual mixing patterns. The coffee-colored water, rich with sediment, runs down from the Andes Mountains on the Rio Solimões. The black-tea water from the Colombian hills and interior jungles is nearly sediment-free and colored by decayed leaf and plant matter; it bears the name Rio Negro. Where the two rivers meet, east of Manaus, Brazil, they flow side by side within the same channel for several kilometers. The cooler, denser, and faster waters of the Solimões and the warmer, slower waters of the Negro form a boundary visible from space and from the water surface itself. Turbulent eddies driven by the faster-moving whitewater eventually mix the two, as they merge to become the Lower Amazon River.

Keywords: space,water,brazil,meeting,odd,oddity,offbeat,weird,amazing,interesting,cool,science,tech,technology

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