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Rivers, Estuaries, & Deltas


At the River’s End

At the River's End

In science, some of the most confounding and interesting questions come from the borderlands, where one physical world collides with…

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The Once and Future Danube River Delta

The Once and Future Danube River Delta

?The Danube River Delta is like the Everglades,? said Liviu Giosan, who grew up near the Romanian wetlands. The triangle-shaped, sediment-rich region at the mouth of the Danube River is also rich with human history. A traditional maritime culture persists on the delta, and the United Nations has declared the region a World Heritage site. The Danube Delta is also a great place for a geologist to study how the coast stretches, contracts, and undulates with time?and human interference.

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The Great Flood of New York

The Great Flood of New York

An ice dam forming a large Ice Age lake collapsed 13,350 years ago, sending a flood down the Hudson River Valley and causing dramatic climate changes.

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Coastal Upwelling

Strong winds blowing along certain coasts can promote a phenomenon known as coastal upwelling. The waters off California, Peru, and…

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The Grass is Greener in the Coastal Ocean

The Grass is Greener in the Coastal Ocean

Stretching from inland rivers and bays to the edge of the continental shelf, the coastal ocean accounts for about 10 percent of the ocean’s surface area. Yet this relatively small sliver of ocean contains about half of all the microscopic plants adrift in our seas.

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