GEOLOGY

EARTH SCIENCE

GROUNDWATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is runoff?
A
When rainwater soaks into the ground.
B
The term used for when an aquifer has been pumped dry.
C
When surface water flows on the land after a rain.
D
When water soaks into the ground.
Explanation: 

Detailed explanation-1: -Runoff can be described as the part of the water cycle that flows over land as surface water instead of being absorbed into groundwater or evaporating. Runoff is that part of the precipitation, snow melt, or irrigation water that appears in uncontrolled surface streams, rivers, drains, or sewers.

Detailed explanation-2: -Surface runoff is precipitation runoff over the landscape. Sources/Usage: Public Domain. Visit Media to see details. Impervious areas cause excessive runoff. In our section about water storage in the oceans we describe how the oceans act as a large storehouse of water that evaporates to become atmospheric moisture.

Detailed explanation-3: -Surface runoff (also known as overland flow) is the flow of water occurring on the ground surface when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil.

Detailed explanation-4: -Stormwater runoff is rainfall that flows over the ground surface. It is created when rain falls on roads, driveways, parking lots, rooftops and other paved surfaces that do not allow water to soak into the ground. Stormwater runoff is the number one cause of stream impairment in urban areas.

Detailed explanation-5: -surface runoff (water flows above the ground’s surface), interflow runoff (water flows underground just below the land’s surface), and. base flow runoff (water flows deep within the ground’s saturated zone). 26-Aug-2021

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