Climate Change Data Portal
| DOI | 10.1007/s11629-021-6707-5 |
| Effect of increasing rainfall on the thermal-moisture dynamics of permafrost active layer in the central Qinghai-Tibet Plateau | |
| Zhou, Zhi-Xiong; Zhou, Feng-Xi; Zhang, Ming-Li; Lei, Bing-Bing; Ma, Zhao | |
| 通讯作者 | Zhang, ML (通讯作者)，Lanzhou Univ Technol, Coll Civil Engn, Lanzhou 730050, Peoples R China. ; Zhang, ML (通讯作者)，Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China. ; Zhang, ML (通讯作者)，Gansu Acad Sci, Geol Hazards Prevent Inst, Lanzhou 730000, Peoples R China. |
| 发表日期 | 2021 |
| ISSN | 1672-6316 |
| EISSN | 1993-0321 |
| 起始页码 | 2929 |
| 结束页码 | 2945 |
| 卷号 | 18期号:11 |
| 英文摘要 | In the past several decades, the trend of rainfall have been significantly increasing in the Qinghai-Tibet Plateau, which inevitably leads to a change in the surface energy balance processes and thermal-moisture status of the permafrost active layers. However, the influence of mechanisms and associated effects of increasing rainfall on active layers are still poorly understood. Therefore, in this study, a validated coupled numerical water-vapor-heat model was applied for simulating the surface energy components, liquid and vapor water migration, and energy transfer within the permafrost active layer under the action of increasing rainfall in the case of an especially wet year. The obtained results demonstrate that the surface heat flux decreases with the increase in rainfall, and the dominant form of energy exchange between the ground and atmosphere becomes the latent heat flux, which is beneficial for the preservation of permafrost. The increasing rainfall will also cause the migration of liquid and vapor water, and the migration of liquid will be more significant. The liquid and vapor water migration caused by the increasing rainfall is also accompanied by energy transfer. With the increase in rainfall, the decrease in total soil heat flux directly leads to a cooling effect on the soil, and then the upper limit of the frozen soil rises, which alleviates the degradation of permafrost. These results provide further insights into engineering structures, regional ecological climate change, hydrology, and environmental issues in permafrost regions. |
| 关键词 | SOIL TEMPERATURESHEAT-TRANSPORTCLIMATE-CHANGEINCREASED PRECIPITATIONNUMERICAL-ANALYSISVAPORWATEREVAPORATIONVULNERABILITYVARIABILITY |
| 英文关键词 | Active layer; Rainfall; Qinghai-Tibet Plateau (QTP); Thermal-moisture dynamics; Numerical modeling |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology |
| WOS类目 | Environmental Sciences |
| WOS记录号 | WOS:000720441400010 |
| 来源期刊 | JOURNAL OF MOUNTAIN SCIENCE
 |
| 来源机构 | 中国科学院西北生态环境资源研究院 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/254204 |
| 作者单位 | [Zhou, Zhi-Xiong; Zhou, Feng-Xi; Zhang, Ming-Li; Lei, Bing-Bing; Ma, Zhao] Lanzhou Univ Technol, Coll Civil Engn, Lanzhou 730050, Peoples R China; [Zhang, Ming-Li] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Frozen Soil Engn, Lanzhou 730000, Peoples R China; [Zhang, Ming-Li] Gansu Acad Sci, Geol Hazards Prevent Inst, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhou, Zhi-Xiong,Zhou, Feng-Xi,Zhang, Ming-Li,et al. Effect of increasing rainfall on the thermal-moisture dynamics of permafrost active layer in the central Qinghai-Tibet Plateau[J]. 中国科学院西北生态环境资源研究院,2021,18(11). |
| APA | Zhou, Zhi-Xiong,Zhou, Feng-Xi,Zhang, Ming-Li,Lei, Bing-Bing,&Ma, Zhao.(2021).Effect of increasing rainfall on the thermal-moisture dynamics of permafrost active layer in the central Qinghai-Tibet Plateau.JOURNAL OF MOUNTAIN SCIENCE,18(11). |
| MLA | Zhou, Zhi-Xiong,et al."Effect of increasing rainfall on the thermal-moisture dynamics of permafrost active layer in the central Qinghai-Tibet Plateau".JOURNAL OF MOUNTAIN SCIENCE 18.11(2021). |
| 条目包含的文件 | 条目无相关文件。 | |||||
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
