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| Titel |
Acid deposition, land-use change and global change: MAGIC 7 model applied to Aber, UK (NITREX project) and Risdalsheia, Norway (RAIN and CLIMEX projects) |
| VerfasserIn |
R. F. Wright, B. A. Emmett, A. Jenkins |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1027-5606
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| Digitales Dokument |
URL |
| Erschienen |
In: Hydrology and Earth System Sciences ; 2, no. 4 ; Nr. 2, no. 4, S.385-397 |
| Datensatznummer |
250000639
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| Publikation (Nr.) |
 copernicus.org/hess-2-385-1998.pdf |
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| Zusammenfassung |
| Nitrogen processes are now included in a new version of
MAGIC (version 7), a process-oriented catchment-scale model for simulating runoff
chemistry. Net retention of nitrogen (N) is assumed to be controlled by plant uptake and
the carbon/nitrogen (C/N) ratio of soil organic matter, the latter as evidenced by
empirical data from forest stands in Europe. The ability of this version of MAGIC 7 to
simulate and predict inorganic N concentrations in runoff is evaluated by means of data
from whole-ecosystem manipulation experiments at Aber, Wales, UK, (nitrogen addition as
part of the NITREX project) and Risdalsheia, Norway (exclusion of acid deposition as part
of the RAIN project and climate change as part of the CLIMEX project). MAGIC 7 simulated
the changes in N leaching satisfactorily as well as changes in base cations and acid
neutralising capacity observed at these two sites. MAGIC 7 offers a potential tool for
regional assessments and scenario studies of the combined effects of acid deposition,
land-use and climate change. |
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