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Atmospheric transport and deposition of pesticides: an assessment of current knowledge.

Research output: Contribution to journalJournal article

  • W. Addo J. Van Pul
  • Terry F. Bidleman
  • Eva Brorström-Lundén
  • Peter J. H. Builtjes
  • Sergey Dutchak
  • Jan H. Duyzer
  • Sven-Erik Gryning
  • Kevin C. Jones
  • Harrie F. G. van Dijk
  • J.(Hans) A. van Jaarsveld
<mark>Journal publication date</mark>10/1999
<mark>Journal</mark>Water, Air, and Soil Pollution
Issue number1-4
Number of pages12
Pages (from-to)245-256
<mark>Original language</mark>English


The current knowledge on atmospheric transport and deposition of pesticides is reviewed and discussed by a working group of experts during the Workshop on Fate of pesticides in the atmosphere; implications for risk assessment, held in Driebergen, the Netherlands, 22-24 April, 1998. In general there is a shortage of measurement data to evaluate the deposition and re-emission processes. It was concluded that the mechanisms of transport and dispersion of pesticides can be described similarly to those for other air pollution components and these mechanisms are rather well-known. Large uncertainties are present in the exchange processes at the interface between air and soil/water/vegetation. In all process descriptions the uncertainty in the physicochemical properties play an important role. Particularly those in the vapour pressure, Henry's law constant and its temperature dependency. More accurate data on physicochemical properties and particularly the temperature dependencies is needed.