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Estimating Soil Thermal Diffusivity Using Pedotransfer Functions with Nonlinear Regressionстатья
Информация о цитировании статьи получена из
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Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 1 февраля 2019 г.
- Авторы: Ahmed Yehia Mady, Evgeny Shein
- Журнал: The Open Agriculture Journal
- Номер: 12
- Год издания: 2018
- Издательство: Bentham Open
- Местоположение издательства: Hilversum, Netherlands
- Первая страница: 164
- Последняя страница: 173
- DOI: 10.2174/1874331501812010164
- Аннотация: Pedotransfer Functions (PTFs) are widely used for estimating soil thermal diffusivity. Some attempts have been made to indirectly predict soil thermal diffusivity from the easy available fundamental soil physics properties. The aim of the work was to validate usage PTFs with Nonlinear Regression (NLR) for estimating soil thermal diffusivity (KD), moreover was to select the best predictor variables used for determination of PTFs. Soil thermal diffusivity was measured at different values of water content using Kondratieff method. The parameters of the quadratic equation, which described the relation between thermal diffusivity and water content, were determined by the fitting curve and using PTFs (exponential equations) based on soil physical properties. The Combination of different soil physical properties used as PTF model’s independent variables was tested. Three classes of PTFs were proposed using NLR to estimate KD were: KDPTF-1 (Sand+ Silt+ Clay), KDPTF-2 (Sand+ Silt+ Clay + Bulk density), and KDPTF-3 (Sand+ Silt+ Clay+ Bulk density + Organic matter).
- Добавил в систему: Шеин Евгений Викторович
Прикрепленные файлы
| № | Имя | Описание | Имя файла | Размер | Добавлен |
|---|---|---|---|---|---|
| 1. | Полный текст | Estimating_Soil_Thermal_Diffusivity_Using_Pedotransfer_Func… | 1,2 МБ | 2 декабря 2018 [evgeny] |