Describing soil SO42- dynamics in the Solling roof project with 4 two different modelling approaches
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 86920
Author(s) Alewell, C; Manderscheid, B; Lukewille, A; Koeppe, P; Prenzel, J
Author(s) at UniBasel Alewell, Christine
Year 1995
Title Describing soil SO42- dynamics in the Solling roof project with 4 two different modelling approaches
Journal Water, air and soil pollution
Volume 85
Number 3
Pages / Article-Number 1801-1806
Abstract

The release of previously stored soil SO42- is tightly connected with the reversibility of soil and water acidification. Thus soil SO42- dynamics have to be included when predicting the reversibility acidification. Our aim was to compare two modelling approaches: The model MAGIC (Cosby ct at, 1985) describes SO42- dynamics with the Langmuir sorption isotherme. In the SO-MODEL (Prenzel, 1991) a precipitation/dissolution of jurbanite is defined. Even though it was possible to calibrate both models to lysimeter data of the Selling D1 site in 1 m depth, the prognosis for SO42- concentrations in the soil solution differed significantly. While MAGIC predicted the observed gradual decrease of SO42- concentration with decreasing deposition, the SO-MODEL calculated stable concentrations up to the year 2026 followed by a sudden drop. Because the prognosis established with the SO-MODEL is incompatible with observed field data, we concluded that the predicted SO42- dynamic of the SO-MODEL was unrealistic.

Publisher Kluwer
ISSN/ISBN 0049-6979
edoc-URL http://edoc.unibas.ch/dok/A5251191
Full Text on edoc No
Digital Object Identifier DOI 10.1007/BF00477241
ISI-Number WOS:A1995UD33500124
Document type (ISI) ArticleProceedings Paper
 
   

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