write the information about droughts and floods
Answers
Explanation:
Droughts occur when an abnormally long dry period uses up available water resources. Floods happen when watercourses or rain swallow up land that is usually uncovered. These natural disasters are often made worse by human action. ... As it builds up on the surface, the water ends up causing widespread damage.
Drought:- perennial drought condition is one disaster which has been a cause of concerns for both, the people and administration. In our country there are a few areas which never face the problem a drought. Any area which gets 25% or less average rainfall is called drought condition.when the rainfall is less than 50% of the average rainfall or when the area does not get rains for two consecutive years, it is called situation of grave drought condition.
Flood:-Accumulation of large quantity of water on a big area which causes loss yo the lives and property is called flood.Floods are caused due to increase in the level of water in water reservoirs beyond limit,due to heavy rains the water overflows in rivers,storms and tornado occur and due to cracks of breaking of dams, a very large area is inundated.