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Cited by 286

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Liquid retention and interfacial area in variably saturated porous media: upscaling from single-pore to sample-scale model

Or, Dani, Tuller, Markus·1999·Water Resources Research
DOI 10.1029/1999wr900262
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Abstract

A new model for liquid configuration in angular pore space considering both capillary and adsorptive contributions was proposed as an alternative to the conventional bundle of capillaries representation. In this study we develop a statistical framework for upscaling pore‐scale processes to represent a sample‐scale response of variably saturated porous medium. The representation of pore size distribution by the gamma distribution enables derivation of closed‐form expressions for sample‐scale liquid retention and liquid‐vapor interfacial area. The statistical framework calculates the expected values of liquid configuration as a function of pore geometry and chemical potential considerations. Media properties are used to estimate upscaling parameters by matching model predictions with measured retention data subject to specific surface area constraint. Additionally, a method for estimating liquid‐solid adsorption behavior for the medium is proposed. Model predictions compare favorably with measured retention data, yielding a similar close fit as obtained with the van Genuchten parametric model. Liquid‐vapor interfacial area as a function of chemical potential is readily calculated using the estimated retention parameters. Model calculations of liquid‐vapor interfacial area for sand show reasonable agreement with measurements obtained with surface‐active tracers. The contribution of liquid films dominates the total liquid‐vapor interfacial area and often surpasses the capillary contribution (curved menisci) by several orders of magnitude. This illustrates potential limitations in using cylindrical pore network modeling of interfacial area for multiphase flow predictions. The detailed picture of liquid vapor interfaces provides a sound basis for unsaturated hydraulic conductivity calculations in the sample cross section (i.e., neglecting network effects) and offers insights into microbial habitats and related exchange processes in partially saturated porous media.

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Registry

Crossref · 10.1029/1999wr900262

Cites

1 of 1 references verified0 citation errors · 0 not checkable

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This paper’s full text isn’t openly available, so its claims and self-check weren’t run. The registry and citation checks still apply.

Claims other papers make about this one

Each is checked against this paper’s own text: does it say what the citing paper says it does?

  • Total (capillary + film) air-water interfacial area increases continuously as water content decreases, i.e., as air content increases.

    “Specifically, total (capillary + film) air-water interfacial area increases continuously as water content decreases, i.e., as air content increases (e.g., Cary, 1994; Kim et al., 1997, 1999; Or and Tuller, 1999; Schaefer et al., 2000; Oostrom et al., 2001; Costanza and Brusseau, 2002; Dalla et al., 2002; Peng and Brussseau, 2005; Brusseau et al., 2006, 2007).”

    From Assessing the potential contributions of additional retention processes to PFAS retardation in the subsurface (2018) · cites this paper as Or and Tuller, 1999

  • Total Aai is a nonlinear function of Sw, particularly at lower Sw.

    “However, total Aai is actually a nonlinear function of Sw, particularly at lower Sw (e.g., Or and Tuller, 1999; Kim et al., 1999; Peng and Brusseau, 2005; Brusseau et al., 2007).”

    From Assessing the potential contributions of additional retention processes to PFAS retardation in the subsurface (2018) · cites this paper as Or and Tuller, 1999

Citations

Cites

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Metadata

Authors
Or, D., & Tuller, M.
Venue
Water Resources Research
Publisher
American Geophysical Union (AGU)
Published
1999-10
Volume
35
Issue
12
Pages
3591-3605
ISSN
  • 0043-1397
  • 1944-7973
DOI
10.1029/1999wr900262
Cited by
286
References
1
Language
en
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)

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