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Meeting of Waters : ウィキペディア英語版 | Meeting of Waters
The Meeting of Waters ((ポルトガル語:Encontro das Águas)) is the confluence between the Rio Negro, a river with dark (almost black colored) water, and the sandy-colored Amazon River or Rio Solimões, as the upper section of the Amazon is known in Brazil upriver of this confluence. For 6 km (3.7 mi) the two rivers' waters run side by side without mixing. It is one of the main tourist attractions of Manaus, Brazil. The same also happens near Santarém, Pará with the Amazon and Tapajós rivers. This phenomenon occurs in other regions of the world with differing characters of rivers. This phenomenon is due to the differences in temperature, speed and water density of the two rivers. The Rio Negro flows at near 2 km per hour at a temperature of 28°C, while the Rio Solimões flows between 4 to 6 km per hour at a temperature of 22°C.
==See also==
* Water * Hydrogen bond
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Meeting of Waters」の詳細全文を読む
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