Tuesday, July 14, 2026
Science

How tides and river water combine to amplify floods

Ocean tides push upstream along coastal rivers, in some cases reaching hundreds of kilometers (hundreds of miles) inland. These inland stretches are known as tidal rivers, and they're the scene of complex interactions between the river current and tidal oscillations. When rivers flood, tidal dynamic...

How tides and river water combine to amplify floods
Image: Phys.org
Ocean tides push upstream along coastal rivers, in some cases reaching hundreds of kilometers (hundreds of miles) inland. These inland stretches are known as tidal rivers, and they're the scene of complex interactions between the river current and tidal oscillations. When rivers flood, tidal dynamics can sometimes add to a river's height, increasing overall peak water levels and amplifying flooding.

Originally published at Phys.org

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