Environmental controls on ozone fluxes in a poplar plantation in Western Europe

D. Zona, B. Gioli, S. Fares, T. De Groote, Kim Pilegaard, Andreas Ibrom, R. Ceulemans

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Abstract

Tropospheric O-3 is a strong oxidant that may affect vegetation and human health. Here we report on the O-3 fluxes from a poplar plantation in Belgium during one year. Surprisingly, the winter and autumn O-3 fluxes were of similar magnitude to ones observed during most of the peak vegetation development. Largest O-3 uptakes were recorded at the beginning of the growing season in correspondence to a minimum stomatal uptake. Wind speed was the most important control and explained 44% of the variability in the nighttime O-3 fluxes, suggesting that turbulent mixing and the mechanical destruction of O-3 played a substantial role in the O-3 fluxes. The stomatal O-3 uptake accounted for a seasonal average of 59% of the total O-3 uptake. Multiple regression and partial correlation analyses showed that net ecosystem exchange was not affected by the stomatal O-3 uptake. (C) 2013 The Authors. Published by Elsevier Ltd. All rights reserved.
Original languageEnglish
JournalEnvironmental Pollution
Volume184
Issue numberSp. Iss. SI
Pages (from-to)201-210
ISSN0269-7491
DOIs
Publication statusPublished - 2014

Keywords

  • Agriculture
  • Air Pollutants
  • Air Pollution
  • Belgium
  • Ecosystem
  • Environmental Monitoring
  • Forestry
  • Humans
  • Ozone
  • Populus
  • Seasons
  • Wind
  • 66H7ZZK23N Ozone
  • ENVIRONMENTAL
  • LEAF GAS-EXCHANGE
  • SURFACE OZONE
  • POPULUS-TREMULOIDES
  • EDDY-CORRELATION
  • FOLIAR INJURY
  • AMBIENT OZONE
  • WATER-VAPOR
  • LONG-TERM
  • OXIDATION-PRODUCTS
  • TROPOSPHERIC OZONE
  • Eddy covariance
  • AOT40
  • Stomatal O-3 uptake
  • Deposition velocity
  • Western Europe Palearctic region
  • autumn season
  • winter season
  • Dicotyledones Angiospermae Spermatophyta Plantae (Angiosperms, Dicots, Plants, Spermatophytes, Vascular Plants) - Salicaceae [26695] poplar common plantation crop
  • ozone 10028-15-6 pollutant
  • 10060, Biochemistry studies - General
  • 37015, Public health - Air, water and soil pollution
  • 53004, Horticulture - Tropical, subtropical fruits and plantation crops
  • 53012, Horticulture - Miscellaneous and mixed crops
  • 54512, Phytopathology - Nonparasitic diseases
  • Horticulture
  • Pollution Assessment Control and Management
  • Stomatal O3 uptake
  • Correlation methods
  • Vegetation
  • Environmental engineering
  • ozone
  • biological uptake
  • deposition velocity
  • eddy covariance
  • growing season
  • multiple regression
  • net ecosystem exchange
  • plantation
  • seasonal variation
  • stomatal conductance
  • troposphere
  • wind velocity
  • air pollution
  • article
  • atmospheric deposition
  • autumn
  • controlled study
  • ecosystem
  • nonhuman
  • ozone layer
  • plant development
  • wind
  • wind speed
  • winter
  • Western Europe
  • Deposition velocities
  • Environmental control
  • Mechanical destruction
  • Multiple regressions
  • Net ecosystem exchange
  • Stomatal
  • O3 uptake

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