Trends in emissions of acidifying species in Asia, 1985-1997.

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Acid deposition is a serious problem throughout much of Asia. Emissions of sulfur dioxide (SO{sub 2}) and nitrogen oxides (NO{sub x}) have been increasing steadily, as nations strive to increase their levels of economic development. Coal and fuel oil have been the main choices for powering industrial development; and, until recently, only a few countries (notably Japan and Taiwan) had taken significant steps to avert the atmospheric emissions that accompany fuel combustion. This paper discusses trends in emissions of SO{sub 2} and NO{sub x} that have occurred in Asian countries in the period 1985--1997, using results from the RAINS-ASIA computer ... continued below

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9 p.

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Streets, D. G.; Tsai, N. Y.; Akimoto, H. & Oka, K. May 31, 2000.

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Acid deposition is a serious problem throughout much of Asia. Emissions of sulfur dioxide (SO{sub 2}) and nitrogen oxides (NO{sub x}) have been increasing steadily, as nations strive to increase their levels of economic development. Coal and fuel oil have been the main choices for powering industrial development; and, until recently, only a few countries (notably Japan and Taiwan) had taken significant steps to avert the atmospheric emissions that accompany fuel combustion. This paper discusses trends in emissions of SO{sub 2} and NO{sub x} that have occurred in Asian countries in the period 1985--1997, using results from the RAINS-ASIA computer model and energy-use trends from the IEA Energy Statistics and Balances database. Emissions of SO{sub 2} in Asia grew from 26.6 Tg in 1985 to 33.7 Tg in 1990 and to 39.2 Tg in 1997. Though SO{sub 2} emissions used to grow as fast as fossil-fuel use, recent limitations on the sulfur content of coal and oil have slowed the growth. The annual-average emissions growth between 1990 and 1997 was only 1.1%, considerably less than the economic growth rate. Emissions of NO{sub x}, on the other hand, continue to grow rapidly, from 14.1 Tg in 1985 to 18.7 Tg in 1990 and 28.5 Tg in 1997, with no signs of abating. Thus, though SO{sub 2} remains the major contributor to acidifying emissions in Asia, the role of NO{sub x}, will become more and more important in the future.

Physical Description

9 p.

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INIS; OSTI as DE00755893

Medium: P; Size: 9 pages

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  • 6th International Conference on Acidic Deposition, Tsukuba (JP), 12/10/2000--12/16/2000

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  • Report No.: ANL/DIS/CP-102040
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 755893
  • Archival Resource Key: ark:/67531/metadc702285

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  • May 31, 2000

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 11, 2017, 8:10 p.m.

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Streets, D. G.; Tsai, N. Y.; Akimoto, H. & Oka, K. Trends in emissions of acidifying species in Asia, 1985-1997., article, May 31, 2000; Illinois. (digital.library.unt.edu/ark:/67531/metadc702285/: accessed August 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.