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Atmospheric deposition of nitrogen and sulphur in relation to critical loads of nitrogen and acidity in the Czech Republic

Author

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  • M. Zapletal

    (Centre for Environment and Land Assessment - Ekotoxa Opava, Opava, Czech Republic)

Abstract

Estimates of dry and wet deposition of sulphur and nitrogen were compared with critical loads of sulphur and nitrogen in the Czech Republic on 1 ×1 km grid. Deposition was estimated from monitored and modelled concentrations in the atmosphere and in precipitation where the most important acidifying compounds are sulphur dioxide, nitrogen oxides and ammonia, and their reaction products. Wet deposition was derived from concentration values for SO42-, NO3- and NH4+ in precipitation and from precipitation amounts. Dry deposition was derived from concentrations of gaseous components and aerosol in the air, and from their deposition velocities. A simple mass balance model was used to calculate critical loads of sulphur and nitrogen. The annual average value of total (potential) acid decreased from 4,147 to 2,185 mol H+/ha/year between 1991 and 2000. A reduction in total sulphur and nitrogen (total potential acid) deposition by about 60% would protect 98% of the area of sensitive forests.

Suggested Citation

  • M. Zapletal, 2006. "Atmospheric deposition of nitrogen and sulphur in relation to critical loads of nitrogen and acidity in the Czech Republic," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 52(2), pages 92-100.
    • Handle: RePEc:caa:jnljfs:v:52:y:2006:i:2:id:4490-jfs
    DOI: 10.17221/4490-JFS
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    Cited by:

    1. I. Drápelová, 2013. "Evaluation of deposition fluxes in two mountain Norway spruce stands with different densities using the extended Canopy Budget Model," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 59(2), pages 72-86.
    2. V. Buriánek & R. Novotný & K. Hellebrandová & V. Šrámek, 2013. "Ground vegetation as an important factor in the biodiversity of forest ecosystems and its evaluation in regard to nitrogen deposition," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 59(6), pages 238-252.
    3. R. Janík & E. Bublinec & M. Dubová, 2012. "Sulphate concentration and S-SO42 - flux in soil solutions in the West Carpathians Mountains on an example of submontane beech forest stand," Journal of Forest Science, Czech Academy of Agricultural Sciences, vol. 58(1), pages 35-44.
    4. Rastislav JANÍK & Eduard BUBLINEC & Martin KUBOV & Ján KUKLA & Branislav SCHIEBER, 2018. "Sulphate contamination, pH and conductivity of forest soils in two neighbouring mountains with different pollution in Slovakia from 1989 to 2013," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 13(3), pages 129-139.

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