Consider sand ripples which are created where sand is being transported by currents. The current is never constant, but varies in time as a result of wave action and wind action. This means that the ...

Scientists have created a new map of "mega ripples" on the seafloor caused by the Chicxulub asteroid impact that wiped out the dinosaurs, revealing further the events that led to the devastating mass ...

The researchers propose that the megaripples were not formed in the same way as ordinary sand ripples on a beach, which ...

But it turns out, they also impact deeper waters offshore – shifting sand, creating ripples and gullies and are even powerful enough to permanently change the artificial reef system just off the ...

Now, a new threat looms on the horizon: seabed sand mining in the Arabian Sea. In November 2024, the Ministry of Mines announced a tender for offshore sand mining in collaboration with private ...