Other definitions

Question 1

Water table

Answer 1

Upper layer of the phreatic zone, below which the ground is saturated with waters.
Its level is variable depending on precipitation levels

Question 2

Aquifers

Answer 2

Rocks containing water

Question 3

Hortonian overland flow

Answer 3

Movement along surface when rainfall arrives too quickly and exceeds the infiltration capacity of the soil

Question 4

Saturated overland flow

Answer 4

When water is forced to flow over the land surface as all the pores spaces in the underlying soil are filled with water.

Question 5

Infiltration capacity

Answer 5

The maximum rate at which rain can be absorbed by a soil in a given condition

Question 6

Recharge

Answer 6

The refilling of water in pores where the water has dried up or been extracted.

Question 7

Spring

Answer 7

Natural flow of water from the earth’s surface

Question 8

Baseflow

Answer 8

The part of a river’s discharge that is provided by groundwater seeping into the bed of a river