Periodic hurricanes may have brought in heavy loads of river sediment to bury the plants and animals living there.
The concentration of caesium-137 in river sediments continues to increase.
Still, he is happy to get fresh access to river sediments that are deposited inside tunnels within the glacial ice.
Apart from river sediments, they also occur in lacustrine and marine deposits.
These decades of unrestricted pollution have left the river sediments highly contaminated to this day.
Studies of the dioxin-contaminated river sediments are expected to continue for several years.
It "was more ephemeral and came from ancient river sediments.
These islands form a compact group that has been formed by river sediments.
The amount of caesium-137 in river sediments continues to go up.
Yet the structure is not only restricted to the marine environment, it can also form in river sediments, especially on point bars.
