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Multimedia Items


Coastal Upwelling

Strong coastal winds can trigger upwelling, bringing nutrient-rich water to the surface—fueling some of the world’s most productive fisheries.

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A River Runs Through It

In this interactive, track a geochemical journey that starts in the atmosphere, moves through rocks and plants, and sinks to the seafloor.

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New Ocean Crust

This animation shows a hypothetical sequence of how mid-ocean ridge lava flows can erupt on the seafloor and create new ocean crust at a fast-spreading mid-ocean ridge.

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