O River Deltas, Where Art Thou? Coastal sinking stalls sediment accumulation

Gradual subsidence of terrain along the western coast of Siberia since the end of the last ice age has thwarted the formation of river deltas there, a new study suggests.

SINKING FEELING. Continuing subsidence in western Siberia has prevented rivers there from forming deltas (left), unlike those in eastern Siberia (right), where the landscape is stable.