Drainage Basins

Question 1

What is a casualty?

Answer 1

The causes of processes within drainage basins

Question 2

What is a system within drainage basins

Answer 2

How the drainage basins functions as an open system

Question 3

What are drainage basins also referred to as?

Answer 3

Catchment areas

Question 4

What is precipitation?

Answer 4

Moisture in any form

Question 5

What is an interception?

Answer 5

Temporary storage, as water is captured by plants, buildings and hard surfaces before reaching the soil.

Question 6

What is vegetation storage?

Answer 6

Any moisture taken up by vegetation and held up in plants.

Question 7

What is surface storage?

Answer 7

Any surface water on lakes, ponds, and puddles.

Question 8

What is soil moisture?

Answer 8

Water held within soil.

Question 9

What is groundwater storage?

Answer 9

Water held within permeable rocks (aquifer)

Question 10

What is channel storage?

Answer 10

Water held in rivers and streams.

Question 11

What is infiltration?

Answer 11

Water entering topsoil. Most common during slow or steady rainfall.

Question 12

What is stemflow?

Answer 12

Water flowing through plant stems or drainpipes

Question 13

What is baseflow also known as?

Answer 13

Groundwater flow

Question 14

What is channel flow?

Answer 14

The volume of water flowing within a river channel

Question 15

What is surface runoff?

Answer 15

Water flows over the surface during an intense storm or when the ground is frozen.

Question 16

Evaporation

Answer 16

The conversion of water to vapour

Question 17

What is transpiration?

Answer 17

Water taken up by the plants and transpired onto the leaf surface.

Question 18

What is river discharge?

Answer 18

The volume of water passing a certain point in the channel over a certain amount of time.

Question 19

What is Evotranspiration?

Answer 19

The combined effect of evaporation and transpiration.