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SWRC Fit

ОГХ Приближение (SWRC Fit) может подгонять несколько гидравлических моделей почвы к измеренной Основная гидрофизическая характеристика (ОГХ, кривая водоудерживания). Прежде чем использовать исходные данные, вы увидите, как они работают, выбрав образец данных из выпадающего меню.

Model selection

Brooks and Corey
van Genuchten
Kosugi
Fredlund and Xing
dual-BC-CH
VG1BC2-CH
dual-VG-CH
KO1BC2-CH
dual-BC
dual-VG
dual-KO

Figure option
Show only one model

ОГХ

Show more options

Calculation options

  • Fit θr θr = Fit θr for unimodal and θr = 0 for bimodal
  • Fit θs θs = θmax θs =
  • Upper limit of θs / θmax =
  • Upper limit of λ1, λ2 =
  • Upper limit of n1, n2 =
  • Lower limit of σ1, σ2 =

When you calculate, setting is saved in your web browser.

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Format of input data

Sample output

Sample output

Citation

Please cite this paper when you publish your work using this program, SWRC Fit or unsatfit. SWRC Fit uses unsatfit library.

Acknowledgement

Question

Please send questions and bug reports to Q&A at unsatfit Discussions. Get GitHub account, sign in, and press the green "New discussion" button. I will reply by comment. It is preferable to send your question publicly this way, because other people having the same question can find answer on the web. However, if your question is confidential, for example when it includes your unpublished data, please contact me by email. You can find my email address in this paper.


SWRC Fit with unsatfit version 5.1 created by Katsutoshi Seki running with Python 3.11.2 on Linux. Run local server.

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