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Publication Date
3-19-2009
Description
The dark waters of the Rio Negro meet the yellowish white clay waters of the Solimões river a few miles from Manaus. The Solimões has a light color since its waters are laden with silt and soluble soil nutrients. The Rio Negro arises in areas of older geological features and has water which is reddish-black in color and quite acidic. Near Manaus the two rivers flow alongside each other for more than 25 km without mixing. Both the Tapajos and Xingu rivers have blue-green water, originating in the ancient Brazilian Highlands, and undergo a similar process when flowing into the Amazon river.As águas escuras do Rio Negro encontram as águas amarelas de argila do Solimões a poucas milhas de Manaus. O Solimões é de águas claras desde que suas águas são carregadas de aluvião e nutrientes solúveis do solo. O Rio Negro sobe em áreas de feições geológicas velhas e suas águas são vermelhopretas e bastante acídicas. Perto de Manaus os dois rios caminham lado a lado por mais de 25 km sem se misturarem. Tanto o Tapajós como o Xingu são de águas azul-verde, originárias da região montanhosa brasileira, incorrendo em processo semelhante de não se misturarem às águas do Rio Amazonas ao se confluirem com ele.
Publisher
Latin American and Iberian Institute / University of New Mexico
Rights
Brazil Slide Series Collection: This article is copyrighted by the Latin American & Iberian Institute (LAII) of the University of New Mexico. Rights permission is for standard academic, non-commercial, use of these materials. Proper citation of this material should include title, author, publisher, date, and URL. Copyright Latin American and Iberian Institute University of New Mexico 1994
Keywords
Brazil: Belem Manaus
