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15 August 2018

Amazon pirating water from neighboring Rio Orinoco

The Amazon River is slowly stealing a 40,000-square-kilometer (25,000-square-mile) drainage basin from the upper Orinoco River, according to new research suggesting this may not be the first time the world’s largest river has expanded its territory by poaching from a neighbor. The rare conjunction could help researchers understand how river systems evolve and how the Amazon Basin grew to dominate the South American continent.

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12 December 2014

What Do Category 5 Hurricanes Have To Do With The Amazon River?

This freshwater plume inhibits the mixing of colder water beneath the surface, and thus can add a lot of heat to an already powerful hurricane. The NASA Aquarius satellite has a sensor that can measure ocean surface salinity, and it’s data produced the the video below. A paper about this plume and how it can affect hurricanes was published in Geophysical research Letters in 2012. It’s free to read here. …

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