Watery World Flashcards
What are the percentages for water consumption in a HIC?
39% agriculture, 14% domestic and 47% industry
What are the percentages for LIC water consumption?
90% agriculture, 5% domestic, 5% industry
What are water supply problems in HICs?
Rainfall/ population imbalance, seasonal imbalance and variable rain
Water surplus:-
More water than needed
Water deficit:-
Less water than needed
What is the cause of Bilharzia?
Parasitic worms get into the bloodstream
What are the effects of Bilharzia?
Rash and aching
Why causes Typhoid?
Food/drink contaminated by feces
What are the effects of Typhoid?
Headache, mental confusion and diarrhoea
How is Trachoma spread?
Person to person contact
What is the effect of trachoma?
Eye mucus
What causes Dysentary?
Poor hygiene
What is the effect of Dysentary?
Bloody diarrhoea
What are the effects of malaria?
Fever, headache and vomiting
What are LIC water supply problems?
Drought, unsafe water and lack of money (can’t treat or pipe water)
How do sand dams in Kenya improve water supply?
Sand works at a natural filter and reduces evaporation
What is surface runoff?
The flow of water over the ground surface
What is infiltration?
Water sinking into the soil
What is through flow?
Water flowing through the soil
What is percolation?
Water sinking into rocks deep underground
What is ground water flow?
Water flowing through rocks deep underground
What is a water table?
The level in the ground where rocks or soil are satured
What is an aquifer?
Where water percolates into porous rock and is stored underground
