alluvial fan: landform created where a mountain stream suddenly flows onto flatter land and deposits its sediments • cave: underground hole or cavern eroded by groundwater • delta: triangular landform created where a river empties into a body of still wat

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• breakwater

artificial barrier built in the water parallel to shore that reduces beach erosion by incoming waves

• floodplain

broad flat area on both sides of a river where it deposits its sediments when it floods its banks

• sinkhole

circular hole in the surface of the ground that forms when the roof of a cave collapses

alluvial fan

landform created where a mountain stream suddenly flows onto flatter land and deposits its sedimen

• meander

large curve in a stream caused by erosion of the outside of a curve and deposition on the inside of a cur... • oxbow lake: body of water that forms when a meander is cut off from the rest of the river

• deposition

process by which eroded sediments are dropped somewhere else by an agent of erosion

• levee

raised strip of sediments deposited along the bank of a river when it overflows its channel

• traction

transport of large particles such as gravel and stones by rolling or dragging along the bottom of the wat... • barrier island: long, narrow island that forms parallel to shore when a sandbar builds up enough to rise above the water's surface

• erosion

transport of sediments by moving water, wind, glaciers, or gravity

• saltation

transport of small particles such as sand in little jumps along a streambed

• suspension

transport of very small particles such as clay that are carried by the main stream flow but are not dissolved by the water

• delta

triangular landform created where a river empties into a body of still water and deposits its sedimen

• cave

underground hole or cavern eroded by groundwater


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