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Is adding charcoal to soil a good method for CO2 sequestration? -: Modeling a spatially homogeneous soil
Univ Glasgow, Sch Math & Stat, Glasgow.
Eindhoven Univ Technol, Dept Math & Comp Sci, NL.
Eindhoven Univ Technol, Dept Math & Comp Sci, NL.
Eindhoven University of Technology,. (Mathematics)ORCID iD: 0000-0002-1160-0007
2014 (English)In: Applied Mathematical Modelling, ISSN 0307-904X, E-ISSN 1872-8480, Vol. 38, no 9-10, p. 2463-2475Article in journal (Refereed) Published
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Abstract [en]

Carbon sequestration is the process of capture and long-term storage of atmospheric carbon dioxide (CO2) with the aim to avoid dangerous climate change. In this paper, we propose a simple mathematical model (a coupled system of nonlinear ODEs) to capture some of the dynamical effects produced by adding charcoal to fertile soils. The main goal is to understand to which extent charcoal is able to lock up carbon in soils. Our results are preliminary in the sense that we do not solve the CO2 sequestration problem. Instead, we do set up a flexible modeling framework in which the interaction between charcoal and soil can be tackled by means of mathematical tools.We show that our model is well-posed and has interesting large-time behaviour. Depending on the reference parameter range (e.g., type of soil) and chosen time scale, numerical simulations suggest that adding charcoal typically postpones the release of CO2. © 2013 Elsevier Inc.

Place, publisher, year, edition, pages
Elsevier, 2014. Vol. 38, no 9-10, p. 2463-2475
Keywords [en]
Biochar, Equilibria and steady states, Modeling chemical kinetics in fertile soils, Simulation, Solvability of a nonlinear ODE system
National Category
Environmental Biotechnology Mathematical Analysis Computational Mathematics
Research subject
Mathematics
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URN: urn:nbn:se:kau:diva-39779DOI: 10.1016/j.apm.2013.10.064ISI: 000335636000013Scopus ID: 2-s2.0-84898547974OAI: oai:DiVA.org:kau-39779DiVA, id: diva2:901174
Available from: 2016-02-06 Created: 2016-02-06 Last updated: 2019-12-04Bibliographically approved

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Muntean, Adrian

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