What is water scarcity and what are its main causes?


#1

Water scarcity occurs when the availability of water is less than 1000 m3 per person per day, according to Swedish expert.
The causes for water scarcity are :
(i) Amount of precipitation.
(ii) Size of population.
(iii) Unequal access to water among different social groups.
(iv) Uneven distribution of water in terms of space and time.