Long range transport of pollutants

Lin et al. (2005) assessed the impact of the long-range transport of pollutants on air quality over Taiwan from observational data made using the monitoring network TERA in 2000 and 2001 during winter monsoons. It was shown that distant transport adds 30 pg of pollutants to each cubic meter of atmospheric air. The partial pressures of CO and S02 increase by 230 ppb and 0.5 ppb, respectively. Air masses coming from Asian contain 71 34pgm-3 of dust. On the whole, the impact of distant transport shows up better in coastal zones than in inland cities. 

For the long-range transport of pollutants, besides the possibility of calculating the risk, there are observations on their accumulation in the environment compartments and on the potential exposure of population in terms of remanence and their bioaccumulation. 

Data are used to estimate and follow trends in the environment due, for instance, to climate change or changes in long-range transports of pollutions. 

Chung et al (1996) report measurements at five stations over the period 1990-1993. The pH measurements are summarized in Table 7 indicating that acidity increased over the years at most sites. Long range transport of pollution from China was suggested as a possible factor in acidification of precipitation in Korea. 

R.B. Husar, et al. Long Range Transport of Pollutants Observed... 

Monitoring the natural components of air, and of emissions into it, is of global importance due to the need for clean air for respiration and the potential long-range transport of pollutants. For example. 

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