what is runoff?

The draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, etc.

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Runoff is the movement of landwater to the oceans, chiefly in the form of rivers, lakes, and streams. Runoff consists of precipitation that neither evaporates, transpires nor penetrates the surface to become groundwater. Even the smallest streams are connected to larger rivers that carry billions of gallons of water into oceans worldwide.

Excess runoff can lead to flooding, which occurs when there is too much precipitation. Two recent events in the United States have caused major flooding.

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Runoff
transfer of landwater to the oceans

 


Animation by: Bramer

Runoff is the movement of landwater to the oceans

  • 0
Runoff
transfer of landwater to the oceans

 


Animation by:
Bramer

Runoff is the movement of landwater to the oceans, chiefly in the form of rivers, lakes, and streams. Runoff consists of precipitation that neither evaporates, transpires nor penetrates the surface to become groundwater. Even the smallest streams are connected to larger rivers that carry billions of gallons of water into oceans worldwide.

Excess runoff can lead to flooding, which occurs when there is too much precipitation. Two recent events in the United States have caused major flooding.

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WELL

Run-off or runoff may refer to:

  • Surface runoff, the flow of water, from rain, snow melt, or other sources, over land
  • Runoff voting or Two-round system, a voting system used to elect a single winner, whereby only two candidates from the first round continue to the second round
  • Instant-runoff voting, an electoral system in which voters rank the candidates in order of preference
  • RUNOFF, the first computer text formatting program, running on the CTSS operating system
  • Runoff (program), the type-setting program on the Multics operating system
  • Run-off area, an area on a racetrack for racer safety
  • Bleed (printing), printing that goes beyond the edge of the sheet after trimming


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