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acid precipitation

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acid precipitation

[′as·əd prə‚sip·ə′tā·shən]
(meteorology)
Rain or snow with a pH of less than 5.6.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
Acid water will store in lakes and accumulate every time of acid precipitation, eventually the acidity will be too high to kill most of the organisms in lake water.
The effect of acid precipitation on reproduction in salamanders: egg transplantation studies.
In recent years, the amount of acid precipitation has decreased, but this hasn't shown up in higher pH readings in Kejimkujik Lake yet.
Casein isolated from human milk by acid precipitation is subjected to ion-exchange chromatography using an NaCl gradient to obtain six fractions.
Ranked the country's second most polluted park--according to NPCA's Code Red: America's Five Most Polluted Parks--Shenandoah was surpassed only by Great Smoky Mountains in the amount of haze, ozone, and acid precipitation affecting it.
Almost twenty years earlier, Senator Daniel Patrick Moynihan of New York established a consortium of federal agencies known as the National Acid Precipitation Assessment Program (NAPAP).
Kilian adds, "Many acid precipitation studies have been done in New England.
Years of heavy acid precipitation have eroded Paine Run's buffering capacity to the point where it's almost gone.
* emissions of acid gases (nitrogen oxides -- NOx, sulfur oxides and hydrogen chloride as indicators of acid precipitation);
The fact that the cadmium contamination level is higher in Sector 6, even though it is further away from the foundry than Sector 5, could be explained by the high sensitivity of the soil to acid precipitation (Shilts 1981).
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