Transformation by photolysis in water in the pesticide model TOXSWA : implementation report

Research output: Book/ReportReportProfessional

Abstract

The TOXSWA model has been extended with the functionality to simulate photolysis in water. TOXSWA simulates the fate of substances in water bodies to calculate exposure concentrations for aquatic organisms or sediment-dwelling organisms as part of the risk assessment of plant protection products (PPP). Photolysis is modelled as a first-order process, where transformation occurs in the water phase only. The transformation rate is considered to be linearly proportional to global radiation. Studies in outdoor surface water systems can in principle be used to derive the PPP transformation rates due to photolysis.
Original languageEnglish
Place of PublicationWageningen
PublisherAlterra
Number of pages47
Publication statusPublished - 2015

Publication series

NameAlterra report
PublisherAlterra
No.2649
ISSN (Print)1566-7197

Keywords

  • water pollution
  • pesticides
  • photolysis
  • biochemical pathways
  • water bottoms
  • adsorption
  • ecotoxicology
  • models

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