EROSION: Wearing away the soil and rocks. This puts lots of sand, mud, pebbles and silt into the river. TRANSPORT: Moving material. The force of the flowing water moves the mud, sand, pebbles and silt created by erosion.

The material moved by erosion is sediment. Deposition occurs when the agents (wind or water) of erosion lay down sediment. Deposition changes the shape of the land. Water’s movements (both on land and underground) cause weathering and erosion, which change the land’s surface features and create underground formations.

Forces like wind and water break down rocks through the processes of weathering and erosion. Forces like wind and water move the rock pieces. They mix with matter like sand to become sediment. Weathering and erosion help shape Earth’s surface.

Weathering refers to the actual breaking part of the rock or soil. Erosion is the actual movement of the weathered material, ie when sediment flows down a river or sand is swept away by wind. Deposition happens when the weathered and eroded material is deposited and finally comes to a stand still.

Weathering – Breaks pre-existing rock into small fragments or new minerals. Transportation of the sediments to a sedimentary basin. Deposition of the sediment. Burial and Lithification to make sedimentary rock.

The main agents by which sedimentary materials are moved include gravity (gravity transport), river and stream flow, ice, wind, and estuarine and ocean currents. Running water and wind are the most widespread transporting agents.

Erosion is the removal of particles (rock, sediment etc.) from a landscape, usually due to rain or wind. Deposition begins when erosion stops; the moving particles fall out of the water or wind and settle on a new surface. This is deposition.

Deposition is the geological process in which sediments, soil and rocks are added to a landform or landmass. Wind, ice, water, and gravity transport previously weathered surface material, which, at the loss of enough kinetic energy in the fluid, is deposited, building up layers of sediment.

In the physics of aerosols, the forces acting on a particle and its physical and chemical properties, such as particle size or size distribution, density, shape, hygroscopic or hydrophobic character, and chemical reactions of the particle will affect the deposition.

Examples include beaches, deltas, glacial moraines, sand dunes and salt domes. In severely cold temperatures frost will form on windows because the water vapor in the air comes into contact with a window and immediately forms ice without ever forming liquid water.

Depositional landforms are the visible evidence of processes that have deposited sediments or rocks after they were transported by flowing ice or water, wind or gravity. Examples include beaches, deltas, glacial moraines, sand dunes and salt domes.

Wind erosion abrades surfaces and makes desert pavement, ventifacts, and desert varnish. Sand dunes are common wind deposits that come in different shapes, depending on winds and sand availability. Loess is a very fine grained, wind-borne deposit that can be important to soil formation.

Moving water, thawing ice, hard winds, gravity–all these are physical agents of erosion, weathering and deposition that act upon exposed rock and sediments to produce landforms. Running water at a high gradient scours out canyons, gorges, gulches and ravines.

Wind Deposition. Like water, when wind slows down it drops the sediment it’s carrying. This often happens when the wind has to move over or around an obstacle. As the wind slows, it deposits the largest particles first.

Wind Deposition All sediment that is picked up by wind will eventually fall back to the ground. The sediment falls to the ground as a result of the wind slowing down or an obstacle traps the wind blown sediment. Wind erosion and deposition may form sand dunes and loess deposits.

Slower moving water erodes material more slowly. If water is moving slowly enough, the sediment being carried may settle out. This settling out, or dropping off, of sediment is deposition.