Sentences with phrase «of ground water extraction»

Not exact matches

She set up six agencies, covering the hydrological basins of the country, to help communities threatened with a lack of drinking water, to control the extraction of ground water and to protect the ecology of rivers.

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:

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.

Wherever a forest is converted to a grassland, or a grassland to desert, or barren ground is created, maximum skin surface temperatures rise by 10 to 40 °F.8 Also to quench the thirst of growing populations, extraction of subsurface waters has lowered the water table.9 As the water table drops below the reach of roots, soil moisture is reduced and plants die.

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.