sédiment - definizione. Che cos'è sédiment
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Cosa (chi) è sédiment - definizione

PARTICULATE MATTER THAT IS DEPOSITED ON THE SURFACE OF LAND
Sediments; Detrital sediment; Sea Sediment; Sedements; Sedimented; Sedimentary soil; Sedimentary layer; Lake sediment; Fluviatile sediment; Sediment (geology)
  • Pennsylvanian]]), Coalburn Pit, near Thorburn, Nova Scotia.
  • [[Holocene]] [[eolianite]] and a carbonate beach on [[Long Island, Bahamas]]
  • Glacial sediments from Montana
  • Glacial transport of boulders. These boulders will be deposited as the glacier retreats.
  • [[Hjulström curve]]: the velocities of currents required for erosion, transportation, and deposition (sedimentation) of sediment particles of different sizes}}
  • Modern asymmetric ripples developed in sand on the floor of the Hunter River, New South Wales, Australia. Flow direction is from right to left.
  • Comparison chart for evaluating roundness of sediment grains
  • rounding]] (horizontal).
  • Sediment in the [[Gulf of Mexico]]
  • Sediment off the [[Yucatán Peninsula]]
  • River discharging sediment into the ocean}}
  • Sinuous-crested dunes exposed at low tide in the Cornwallis River near Wolfville, Nova Scotia
  • Sediment builds up on human-made breakwaters because they reduce the speed of water flow, so the stream cannot carry as much sediment load.

sediment         
¦ noun
1. matter that settles to the bottom of a liquid.
2. Geology particulate matter carried by water or wind and deposited on the land surface or seabed.
¦ verb settle or deposit as sediment.
Derivatives
sedimentation noun
Origin
C16: from Fr. sediment or L. sedimentum 'settling'.
Sediment         
·noun The material of which sedimentary rocks are formed.
II. Sediment ·noun The matter which subsides to the bottom, frrom water or any other liquid; settlings; lees; dregs.
sediment         
n. to deposit sediment

Wikipedia

Sediment

Sediment is a naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of wind, water, or ice or by the force of gravity acting on the particles. For example, sand and silt can be carried in suspension in river water and on reaching the sea bed deposited by sedimentation; if buried, they may eventually become sandstone and siltstone (sedimentary rocks) through lithification.

Sediments are most often transported by water (fluvial processes), but also 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.