CURRENT AFFAIRS

Detailed explanation-1: -Haryana to become the first state in India to have Aquifer mapping. With the climate changes in the recent years, the groundwater sources have gone down to a critical level.

Detailed explanation-2: -Aquifer mapping can be defined as a scientific process, wherein a combination of geologic, geophysical, hydrologic and chemical field and laboratory analyses are applied to characterize the quantity, quality and sustainability of ground water in aquifers.

Detailed explanation-3: -Alluvium is the major aquifer system which covers maximum area of around 31 per cent of the entire country and is available in Uttar Pradesh, Bihar, West Bengal, Assam, Odisha and Rajasthan.

Detailed explanation-4: -The correct answer is Tamil Nadu. The total replenishable groundwater resources in the country are about 432 cubic km. Ganga and the Brahmaputra basins have about 46 percent of the total replenishable groundwater resources.

Detailed explanation-5: -Entire country has been classified into 14 Principal Aquifer Systems and 42 major aquifersbased on the hydrogeological characteristics. Alluviums covers maximum area of around 31% of the entire country and available in Uttar Pradesh, Bihar, West Bengal, Assam, Odisha and Rajasthan.