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Longhurst Acid Rain Information Centre Department of Environmental and Geographical Studies. Manchester Polytechnic Chester Street. Manchester MI5GD, England. ISBN-13: 978-3-642-76475-2 e-ISBN-13 :978-3-642-76473-8 001: 1. 8.
The subject of acid deposition remains one of the most urgent of our contemporary environmental . Indirect Effects of Acid Rain Mediated by Mineral Leaching: An Evaluation of Potential Roles of Leaching from the Canopy.
The subject of acid deposition remains one of the most urgent of our contemporary environmental problems. eBook 91,62 €. price for Russian Federation (gross).
James W. S. Longhurst. Sources, Effects and Controls. by James W. 1 2 3 4 5. Want to Read. Are you sure you want to remove Acid Deposition from your list? Acid Deposition. Published June 1989 by Air Science Co. Written in English.
The highest acid deposition is near the emission sources. Wind-blown, alkaline soil dust is important in neutralizing the acidity of the emissions, especially in large parts of northern China. In the south, where alkaline soil dust contributes less to acid neutralization, the annual pH in precipitation was below . at monitoring stations in several provinces and as low as . in some urban areas. The enhancement of N deposition has aroused increasing concerns about its effects on ecosystem health and function.
Acidic deposition is comprised of sulfuric and nitric acids, and . Although regulatory controls have decreased emissions, levels remain high compared to background conditions.
Acidic deposition is comprised of sulfuric and nitric acids, and ammonium derived from atmospheric emissions of sulfur dioxide, nitrogen oxides, and ammonia respectively. These compounds are emitted by the burning of fossil fuels and by agricultural activities. Once such compounds enter an ecosystem, they can acidify soil and surface waters and bring about a series of ecological changes.
Acid deposition is concerned with long-range rather than local effects. Acid deposition is a transboundary environmental problem. This basically means that emissions in one country may affect forests and structures in a neighbouring country. Pollutants are mixed in the atmosphere and therefore usually cannot be attributed to any local source. Pollutants are generally more dispersed and of lower concentrations than local ground level pollutants. Therefore, international agreements were made, such as the Sulphur emissions Reduction Protocol (1979) and the Convention on Long-Range Transboundary Air Pollution (1983).
Acid Deposition Sources, Effects, and Controls, pp. 169–95, ed. Longhurst, J. W. British . A discussion of changes in soil acidity due to natural processes and acid deposition
Acid Deposition Sources, Effects, and Controls, pp. British Library Technical Communications. Cresser, M. Pugh, K. & Edwards, A. C. 1987. Soils and surface water quality in northeastern Scotland. A discussion of changes in soil acidity due to natural processes and acid deposition. In Effects of Acidic Deposition on Forests, Wetlands, and Agricultural Ecosystems, pp. 333–46, eds, Hutchinson, T. & Meema, . New York, Toronto: Springer-Verlag. Johnson, D. & Todd, D. E. 1984.
Deposition originating from natural sources and comparison of the Dutch situation with other . Affiliations and Expertise.
Deposition originating from natural sources and comparison of the Dutch situation with other European countries. Conclusions and gaps in current knowledge. This chapter is followed by a chapter which deals with the emissions of acidifying substances, the concentrations and the deposition to forest and nature conservation areas. National Institute of Public Health and the Environment, Bilthoven, The Netherlands.
A deposition is the transfer of strong acids and acid-forming substances from the atmosphere to the surface of the Earth. The composition of acidic deposition includes ions, gases, and particles derived from the following: gaseous emissions of sulfur dioxide (SO2), nitrogen oxides (NOx), ammonia (NH3), and particulate emissions of acidifying and neutralizing compounds. Despite the complexity of the effects of acidic deposition, North American and European management actions directed toward the recovery of damaged natural resources have resulted in recent decreases in both emissions and deposition of acidic S compounds.