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Cited by 278

The DOI matches its Crossref record; 38 of the 38 references it cites were found in a registry or an index.

Modeling of carbon dioxide transport and production in soil: 1. Model development

Šimůnek, Jiří, Suarez, Donald L.·1993·Water Resources Research

Abstract

Knowledge of the CO 2 concentration in the unsaturated zone is essential for prediction of solution chemistry in the vadose zone and groundwater recharge as well as for quantifying carbon source/sink terms as part of the global CO 2 mass balance. In this paper we present a predictive simulation model, SOILCO2, based on process‐oriented relationships. The model includes one‐dimensional water flow and multiphase transport of CO 2 utilizing the Richards and the convection‐dispersion equations, respectively, as well as heat flow and a CO 2 production model. The transport of CO 2 in the unsaturated zone can occur in both the liquid and gas phases. The gas transport equation accounts for production of CO 2 and uptake of CO 2 by plant roots associated with root water uptake. The CO 2 production model considers both microbial and root respiration which is dependent on water content, temperature, growth, salinity and plant and soil characteristics. Heat flow is included, since some gas transport parameters, partitioning coefficients and production parameters are strongly temperature dependent. The resulting set of partial differential equations is solved numerically using the finite element and finite difference methods.

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Metadata

Authors
Šimůnek, J., & Suarez, D. L.
Venue
Water Resources Research
Published
1993-02
Volume
29
Issue
2
Pages
487-497
ISSN
  • 0043-1397 (ISSN-L)
  • 1944-7973
OpenAlex
W1996342844
Cited by
278
References
38
FWCI
29.99
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Modeling of carbon dioxide transport and production in soil: 1. Model development. https://app.cochat.ai/papers/10.1029/92wr02225
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Šimůnek, J., & Suarez, D. L. (1993). Modeling of carbon dioxide transport and production in soil: 1. Model development. Water Resources Research. https://doi.org/10.1029/92wr02225

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