Simulating trends in soil organic carbon in long-term experiments using the CANDY model
Description
CANDY (CArbon and Nitrogen DYnamics) is a simulation system based on long-term experiments of organic matter turnover and nitrogen dynamics at Bad Lauchstadt, Germany. Key driving variables are soil physical properties, meteorological data and management information. The main application of the CANDY model is the calculation of short-term dynamics of nitrogen transformation and long-term dynamics of organic matter turnover in arable soils. This paper concentrates on the evaluation of the model in simulating carbon dynamics in long-term experiments representing different land uses and very different geographical sites. The experimental data came from data sets that were made available to modellers at a workshop held at Rothamsted in 1995. In this paper we describe how the different data sets were modelled and provide a qualitative assessment of model performance. The performance of several models, including CANDY, are compared quantitatively in Smith et al. (1997). Our results show that the mathematical basis of the model, its consideration of a biological time base and its calculation of the 'reproducing carbon' are applicable over a wide range of sites and land-use scenarios. Most of the standard parameters can be used for other sites and land-use systems.
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ID Code: | 229232 | ||||
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Item Type: | Contribution to Journal (Journal Article) | ||||
Refereed: | Yes | ||||
ORCID iD: |
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Measurements or Duration: | 12 pages | ||||
Keywords: | Long-term experiment, Model evaluation, Soil organic matter, Soil organic matter model | ||||
DOI: | 10.1016/S0016-7061(97)00084-0 | ||||
ISSN: | 0016-7061 | ||||
Pure ID: | 107943355 | ||||
Divisions: | Past > QUT Faculties & Divisions > Faculty of Education Current > QUT Faculties and Divisions > Faculty of Science Current > Schools > School of Biology & Environmental Science Current > Schools > School of Teacher Education & Leadership |
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Copyright Owner: | Consult author(s) regarding copyright matters | ||||
Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||||
Deposited On: | 01 Apr 2022 05:29 | ||||
Last Modified: | 02 Jun 2024 14:35 |
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