Tagasi otsingusse
Alliksaar, 2000a

Application of spherical fly-ash particles to study spatial deposition of atmospheric pollutants in north-eastern Estonia

Alliksaar, T.
URL
Aasta2000
AjakiriOil Shale
Köide17
Number4
Leheküljed335-349
Tüüpartikkel ajakirjas
Eesti autor
Keelinglise
Id20582

Abstrakt

Spherical fly-ash particles, emitted to the atmosphere in the high-temperature combustion process of fossil fuels, were found in considerable amounts in analysed snow samples of north-eastern Estonia. Spatial deposition of particles in snow cover is compared with the results of surface sediment samples of lakes. The results from snow characterise well the distribution of pollution sources and the distance from the main power plants in northeastern Estonia. Variations in particle deposition of closely situated snow samples were found to be negligible. Fly-ash particle influxes in snow samples correlate well with modelled maximum concentration fields of flyash in the near-surface air layer

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