Related topics: earthquake

How much hunting is too much hunting?

One of the main challenges in wildlife conservation biology is to understand what factors affect vulnerable wildlife populations over time. Scientists have been trying to understand these factors to estimate how much hunting ...

The solid Earth breathes

The solid Earth breathes as volcanoes "exhale" gases like carbon dioxide (CO2)—which are essential in regulating global climate—while carbon ultimately from CO2 returns into the deep Earth when oceanic tectonic plates ...

Deep-sea drillers investigate shedding of Antarctic icebergs

The 5.4 million square-mile Antarctic ice sheet is by far the greatest mass of fresh water on earth. If all it were to melt, it would raise global sea levels some 70 meters (220 feet), driving human civilization inland, and ...

The fiddlers influencing mangrove ecosystems

The types of bacteria living in and around fiddler crab burrows vary widely between mangroves, but their functional activities are remarkably similar.

The deep Southern Ocean is key to more intense ice ages

Over the last million years, ice ages have intensified and lengthened. According to a study led by the University of Bern, this previously unexplained climate transition coincides with a diminution of the mixing between deep ...

Cloudy waters

The Copernicus Sentinel-2B satellite captured this true-colour image on 5 February 2019, just three days after heavy rainfall in Rome and the surrounding area of Lazio, Italy. It shows sediment gushing into the Tyrrhenian ...

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Sediment

Sediment is any particulate matter that can be transported by fluid flow, and which eventually is deposited.

Sediments are most often transported by water (fluvial processes) transported by wind (aeolian processes) and glaciers. Beach sands and river channel deposits are examples of fluvial transport and deposition, though sediment also often settles out of slow-moving or standing water in lakes and oceans. Desert sand dunes and loess are examples of aeolian transport and deposition. Glacial moraine deposits and till are ice transported sediments.

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