Underground Water

Question 1

What is groundwater recharged by?

Answer 1

• pptn infiltrating ground until reaching groundwater
• surface water bodies seeping into groundwater stores
• groundwater leakage + inflow from adjacent rocks + aquifers
• artificial recharge from irrigation + reservoirs

Question 2

What does losses of groundwater result from?

Answer 2

• evapotranspiration
• natural discharge
• groundwater leakage + outflow
• artificial abstraction

Question 3

What are aquifers?

Answer 3

• water-bearing rocks hence are underground water stores

Question 4

What is the water table?

Answer 4

• lvl where pore spaces + fractures in ground become saturated

Question 5

What is groundwater?

Answer 5

• water stored in pore spaces of rock or lower soil

Question 6

What is a spring?

Answer 6

• natural outlet of groundwater flowing out onto Earth’s surface

Question 7

What are the 2 main reasons a spring forms?

Answer 7

• permeable rock meeting impermeable rock, causing infiltrated water to build up + escape
• water table meets surface, causing discharge of groundwater
• [diagram]