Question

What are the reasons for decrease in groundwater?

Answer 1

Answer:

here is your answer amigo

Explanation:

1) Groundwater depletion most commonly occurs because of the frequent pumping of water from ground .

2) we continuously pump groundwater from aquifers and it does not have enough time to replenish itself.

3) Agriculture needs require a large amount of groundwater

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Answer 2

Answer:

Explanation:

Natural weak acidic groundwater occurs in the unconfined and confined aquifers consisting of Quaternary and Neogene unconsolidated sediments near Beihai in southern Guangxi, China. Under natural conditions the groundwater has low TDS (less than 200 mg L−1) and low concentrations of trace elements (less than 100 µg L−1) with a deceasing tend in contents of the Lanthanides (rare earth elements, less than 1 µg L−1) towards higher atomic number. The groundwater ranges in pH from 3.33 to 7.0 with an average value of 5.12 (even lower than that of local rainwater, 5.88). pH values in the groundwater are a bit higher in rainy seasons than those in dry seasons and do not show significant increasing or decreasing trend with timev