Using advanced surface complexation models for modelling soil chemistry under forests: Solling forest, Germany

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13 Citations (Scopus)

Abstract

Various dynamic soil chemistry models have been developed to gain insight into impacts of atmospheric deposition of sulphur, nitrogen and other elements on soil and soil solution chemistry. Sorption parameters for anions and cations are generally calibrated for each site, which hampers extrapolation in space and time. On the other hand, recently developed surface complexation models (SCMs) have been successful in predicting ion sorption for static systems using generic parameter sets. This study reports the inclusion of an assemblage of these SCMs in the dynamic soil chemistry model SMARTml and applies this model to a spruce forest site in Solling Germany. Parameters for SCMs were taken from generic datasets and not calibrated. Nevertheless, modelling results for major elements matched observations well. Further, trace metals were included in the model, also using the existing framework of SCMs. The model predicted sorption for most trace elements well.
Original languageEnglish
Pages (from-to)2831-2839
JournalEnvironmental Pollution
Volume159
Issue number10
DOIs
Publication statusPublished - 2011

Keywords

  • acid deposition
  • heavy-metals
  • hydraulic conductivity
  • contaminated soils
  • atmosphere models
  • ion-binding
  • speciation
  • ecosystems
  • water
  • acidification

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