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.

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.

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