Sentences with phrase «from ground water extraction»

5) As as result of 3 and 4, issues such as subsidence from ground water extraction, salt water intrusion, water hole and other surface water drying, wild fires, debris flows, etc, etc are rampant.

Not exact matches

Subsidence from ground water withdrawal and oil and gas extraction have caused regional subsidence along these coasts ranging from 1 ′ to 15 ′.
Consider ground water extraction first: If its ground water extraction that is causing a 1 mm per year rise in sea level, and the water is being drawn from aquifers comprising 1 % of land area, and the average porosity is 1 %, and sea surface to land surface ratio is 7:3 then:
The largest positive contribution to sea level probably comes from ground water mining, which means the extraction of ground water from storage in aquifers in excess of the rate of natural recharge.
To reconstruct equilibrium sea level changes from tide gauges, account must be made of vertical shifts of the land, caused by geological processes or land use (e.g. ground water extraction).
I can only list a few regular «goings on'that I KNOW affect sea level; I'm certain that there are others: Change in overall temperature of the oceans (a few millidegrees / mm), plate tectonics, slit from rivers, erosion of seashores, extraction of ground water which ultimately returns to the oceans, marine life and its products building up the ocean floors, melting land ice, undersea discharges of a variety of «stuff» from literally hundreds of thousands of sources, often at temperatures in the 1 - 2 thousand degree range, which we are only now beginning to notice, wind carrying dust from the land and dropping it on the ocean.
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