Unified Soil Freezing Characteristic for Variably-Saturated Saline Soils
文献类型：期刊论文
| 作者 | Zhou, Jiazuo2; Meng, Xiangchuan3; Wei, Changfu2,3; Pei, Wansheng1 |
| 刊名 | WATER RESOURCES RESEARCH
 |
| 出版日期 | 2020-07-01 |
| 卷号 | 56期号:7页码:14 |
| ISSN号 | 0043-1397 |
| DOI | 10.1029/2019WR026648 |
| 英文摘要 | Freezing and thawing of soil have a significant impact on the thermal-hydrological processes in cold regions. Freezing point and unfrozen water content are key variables characterizing the freezing and thawing of soil. The testing results show that unfrozen water content is independent of initial water content in nonsaline silt, based on which a unified model for a soil freezing characteristic curve (SFCC) is presented. The SFCC describes the relationship between unfrozen water content and temperature for variably-saturated saline soils. It is also demonstrated that the SFCC can describe the variation of soil freezing point with respect to water content and salt concentration. The SFCC model is validated by comparing the experimental data to the calculated result for unfrozen water content and freezing point in a variety of conditions. When the initial water content varies in saline soil, the SFCC changes with constant initial salt concentration, but it remains unchanged with constant gravimetric salt content. The SFCC model can be adopted in the simulation of thermal-hydrological processes in arid and saline lands and coastal regions. Finally, an example of thermal-hydrological processes was simulated with the new SFCC model to show the application of the presented model. |
| 资助项目 | National Natural Science Foundation of China (NSFC)[41602312] ; National Natural Science Foundation of China (NSFC)[51939011] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences |
| WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:000556141400051 |
| 出版者 | AMER GEOPHYSICAL UNION |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/24597]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Zhou, Jiazuo; Wei, Changfu |
| 作者单位 | 1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou, Peoples R China 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan, Peoples R China 3.Guilin Univ Technol, Coll Civil Engn & Architecture, Guangxi Key Lab New Energy & Bldg Energy Saving, Guilin, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhou, Jiazuo,Meng, Xiangchuan,Wei, Changfu,et al. Unified Soil Freezing Characteristic for Variably-Saturated Saline Soils[J]. WATER RESOURCES RESEARCH,2020,56(7):14. |
| APA | Zhou, Jiazuo,Meng, Xiangchuan,Wei, Changfu,&Pei, Wansheng.(2020).Unified Soil Freezing Characteristic for Variably-Saturated Saline Soils.WATER RESOURCES RESEARCH,56(7),14. |
| MLA | Zhou, Jiazuo,et al."Unified Soil Freezing Characteristic for Variably-Saturated Saline Soils".WATER RESOURCES RESEARCH 56.7(2020):14. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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