Question 19
In towns and cities, generally, the borewells have to be dug very deep to get water as compared to bore wells dug in villages. Give suitable reasons.
Question 19
In towns and cities, generally, the borewells have to be dug very deep to get water as compared to bore wells dug in villages. Give suitable reasons.
The borewells have to be dug very deep in towns and cities to get water as compared to borewells dug in villages because
(a) excessive use of water which depletes the groundwater.
(b) towns and cities have tarred roads and vast areas of soil are concreted. As a result, rainwater cannot percolate to recharge groundwater and the groundwater level further decrease.
Villages have larger areas of open soil surface and fewer tarred roads and concrete surfaces. Thus, larger soil surface area is available for rainwater to percolate into the soil easily and recharge the groundwater. As a result, even shallow borewells yield water
The borewells have to be dug very deep in towns and cities to get water as compared to borewells dug in villages because
(a) excessive use of water which depletes the groundwater.
(b) towns and cities have tarred roads and vast areas of soil are concreted. As a result, rainwater cannot percolate to recharge groundwater and the groundwater level further decrease.
Villages have larger areas of open soil surface and fewer tarred roads and concrete surfaces. Thus, larger soil surface area is available for rainwater to percolate into the soil easily and recharge the groundwater. As a result, even shallow borewells yield water
