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Note on the instability mechanism of gravity-driven unsaturated slow flow in porous media

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Abstract.

A capillary tube model reveals that the surface tension at the air-water interface cannot cause the instability of gravity-driven unsaturated slow flow in sandy soils.

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Authors and Affiliations

  1. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, CAS, 830011, Urumqi, P.R. China

    Zhen-Ting Wang & Ya-Ning Chen

  2. Northwest Institute of Eco-Environment and Resources, CAS, 730000, Lanzhou, P.R. China

    Zhen-Ting Wang

Authors
  1. Zhen-Ting Wang
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  2. Ya-Ning Chen
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Correspondence to Zhen-Ting Wang.

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Wang, ZT., Chen, YN. Note on the instability mechanism of gravity-driven unsaturated slow flow in porous media. Eur. Phys. J. E 43, 12 (2020). https://doi.org/10.1140/epje/i2020-11937-0

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  • DOI: https://doi.org/10.1140/epje/i2020-11937-0

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