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Modelling seasonal and long-term dynamics of anions in an acid forest soil, Solling, Germany

Title data

Wesselink, Lambert G. ; Mulder, Jan ; Matzner, Egbert:
Modelling seasonal and long-term dynamics of anions in an acid forest soil, Solling, Germany.
In: Geoderma. Vol. 64 (1994) Issue 1-2 . - pp. 21-39.
ISSN 1872-6259
DOI: https://doi.org/10.1016/0016-7061(94)90087-6

Abstract in another language

A determmtstlc model was apphed to simulate sod water chemistry data, collected dunng an 18-year penod in an acid forest soil m Solhng, Germany In this paper, the hydrochem~stry of Cl, NO~and SO4 is discussed Seasonal and long-term variations of C1 concentrattons in soil solutton weresuccessfully simulated as a result of atmospheric deposmon and hydrological processes The markedincrease of SO4 concentrations at 90 cm depth dunng the 1970s could be simulated satisfactorilyusing adsorption eqmhbrlum Here we assumed that high SO4 deposmon loads m the 1970s entereda sotl which had reached a state of near saturatton with respect to adsorbed SO4 in the pre~.edmgdccades In the 1980s, measured and stmulated SO4 concentrations at 90 cm depth decrcased, duc toreduced SO4 deposmon Modelled resupply of SO4 to solution by desorptlon was less than observed,partlculary in penods with high water fluxes In wet periods, when observed N releases lrom the htterlayer were high, stmulated N concentrations in htter percolates wcrc lowm than ob~cr,,cd x aluc~,Elevated N concentrations at 90 cm depth occurred when the N-input into the nuneral ,,od exceededapproximately 4 kmol ha-1 yr-1

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER7018
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Chair Soil Ecology - Univ.-Prof. Dr. Egbert Matzner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 13 Aug 2015 06:12
Last Modified: 13 Aug 2015 06:12
URI: https://eref.uni-bayreuth.de/id/eprint/18112