Acid Rain Effects Research—A Status Report
نویسندگان
چکیده
منابع مشابه
Effects of Acid rain on freshwater ecosystems.
Acid-vulnerable areas are more numerous and widespread than believed 7 years ago. Lakes and streams in acid-vulnerable areas of northeastern North America have suffered substantial declines in acid-neutralizing capacity, the worst cases resulting in biological damage. Many invertebrates are very sensitive to acidification, with some disappearing at pH values as high as 6.0. However, the recent ...
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INTRODUCTION Because of the controversy over air pollution that has erupted in newspapers and magazines during the past several years, most people are aware of the potential hazards associated with air pollutants such as sulfur dioxide, nitrogen oxides, ozone, etc. However, there is another, relatively unknown, type of air pollution which is just as serious, if not more serious, than anything o...
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Pure water has a pH of 7.0 (neutral); however, natural, unpolluted rainwater actually has a pH of about 5.6 (acidic).[Recall from Experiment 1 that pH is a measure of the hydrogen ion (H+) concentration.] The acidity of rainwater comes from the natural presence of three substances (CO2, NO, and SO2) found in the troposphere (the lowest layer of the atmosphere). As is seen in Table I, carbon dio...
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The broad-ranging provisions in Title IV of The Clean Air Act Amendments of 1990 (P.L. 101-549) raise myriad implementation issues, particularly with respect to the system of tradeable "allowances." This system provides an economic mechanism by which emitters of sulfur dioxide (SO2) can determine the most cost-effective way to meet reduction requirements. Issues include the role of States, part...
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This report summarizes the potential impact of the acid precipitation phenomenon on human health. There are two major components to this phenomenon: the predepositional phase, during which there is direct human exposure to acidic substances from ambient air, and the post-depositional phase, in which the deposition of acid materials on water and soil results in the mobilization, transport, and e...
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ژورنال
عنوان ژورنال: Journal of the Air Pollution Control Association
سال: 1984
ISSN: 0002-2470
DOI: 10.1080/00022470.1984.10465847