1. What is Drought?
a. Event that results from lower than normal expected rainfall over a season or period.
a. Shortage of rainfall.
b. Severity of drought is determined by the extent of deviation of rainfall from the average.
c. Frequency of periods of drought have increasing due to deforestation and environmental degradation.
a. Crop failure or food shortage leading to large scale starvation and death
b. Affects dairy activities, timber and fisheries
c. Depletion of ground water
d. Increases energy consumption for pumping water from deep aquifers
e. Reduces energy production in hydro-electric power plants
f. Loss of biodiversity
g. reduced landscape quality
h. Causes health problems, increased poverty, reduced quality of life and social unrest leading to migration
a. Regular monitoring of rainfall, water availability in reservoirs, lakes and rivers as well as in comparison it with the demand
b. Water conservation measures. Include economizing water consumption, by increasing water use efficiency, reducing wastage, reusing the wastewater for inferior uses.
c. Use of efficient methods of irrigation and sowing low water-consuming crops are some important measures to overcome drought.
d. Rain water harvesting increases water availability.