Q.98
Given below are two statements
Statement (I) : Hydrological drought is said to occur when the surface and ground water resources are too inadequate to
meet the demand for water.
Statement (II) : According to IMD, hydrological drought over an area is defined as a situation when the seasonal rainfall
received over the area is less than 75% of its long term average value.
In light of the above statements, choose the most appropriate answer from the options given below.
- Statement (I) is Correct: Hydrological drought occurs when prolonged precipitation deficits lead to significant depletion of surface water reserves (streams, lakes, reservoirs) and groundwater aquifers, creating a shortfall in water supply.
- Statement (II) is Incorrect: The condition where seasonal rainfall is less than $75\%$ of normal defines meteorological drought according to the India Meteorological Department (IMD), NOT hydrological drought.
- Conclusion: Statement (I) is correct but Statement (II) is incorrect (Option 3).
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