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Numerical Investigations of Moisture Distribution in a Selected Anisotropic Soil Medium

机译：选定各向异性土壤中水分分布的数值研究

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摘要

The moisture of soil profile changes both in time and space and depends on many factors. Changes of the quantity of water in soil can be determined on the basis of in situ measurements, but numerical methods are increasingly used for this purpose. The quality of the results obtained using pertinent software packages depends on appropriate description and parameterization of soil medium. Thus, the issue of providing for the soil anisotropy phenomenon gains a big importance. Although anisotropy can be taken into account in many numerical models, isotopic soil is often assumed in the research process. However, this assumption can be a reason for incorrect results in the simulations of water changes in soil medium. In this article, results of numerical simulations of moisture distribution in the selected soil profile were presented. The calculations were conducted assuming isotropic and anisotropic conditions. Empirical verification of the results obtained in the numerical investigations indicated statistical essential discrepancies for the both analyzed conditions. However, better fitting measured and calculated moisture values was obtained for the case of providing for anisotropy in the simulation model.
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  • 来源
    《Eurasian Soil Science》 |2018年第1期|共8页
  • 作者

    Iwanek M.;

  • 作者单位

    Lublin Univ Technol Fac Environm Engn PL-20618 Lublin Poland;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 土壤学;
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