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Gravestone decay and the determination of deciduous bulk canopy resistance to acid deposition

Mooers, Howard D. ; Massman, William J.

The Science of the total environment, 2017-02, Vol.578, p.551-556 [Periódico revisado por pares]

Netherlands: Elsevier B.V

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  • Título:
    Gravestone decay and the determination of deciduous bulk canopy resistance to acid deposition
  • Autor: Mooers, Howard D. ; Massman, William J.
  • Assuntos: Canopy resistance ; Deposition velocity ; Gravestone decay ; United Kingdom ; Urban air quality
  • É parte de: The Science of the total environment, 2017-02, Vol.578, p.551-556
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: Gravestone decay and atmospheric concentrations of SO2 are used to determine deposition velocities in two adjacent cemeteries in the Birmingham, UK, Jewellery Quarter. Warstone Lane cemetery is essentially open to the environment with only a limited number of trees. Key Hill Cemetery, located within 100m, has a continuous canopy of 100+ year-old London plane; gravestone decay at Key Hill is 50% less than at Lane for the period after 1960. This difference is used to calculate canopy resistance as a residual term assuming that aerodynamic and quasilaminar resistances are generally similar at both sites. Calculated resistances range from approximately 300 to 900sm−1 and are consistent with estimated and calculated values from a wide variety of studies. [Display omitted] •Gravestone decay provides a measure of the flux density (F) of acid.•Bulk canopy resistance is derived as the difference between deposition velocities.•Quantitative estimate of tree canopy resistance to gaseous deposition of acid.•Up to 55% annual reduction in acid deposition under seasonal tree canopy.
  • Editor: Netherlands: Elsevier B.V
  • Idioma: Inglês
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