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| DOI | 10.3390/rs15184496 |
| Environmental Characteristics of High Ice-Content Permafrost on the Qinghai-Tibetan Plateau | |
| Fan, Xingwen; Wang, Yanhe; Niu, Fujun; Li, Wenjiao; Wu, Xuyang; Ding, Zekun; Pang, Wenlong; Lin, Zhanju | |
| 发表日期 | 2023 |
| EISSN | 2072-4292 |
| 卷号 | 15期号:18 |
| 英文摘要 | Permafrost areas are sensitive to climate change and have a significant impact on energy and water cycles. Ground ice is a crucial component on the Qinghai-Tibetan Plateau (QTP). Understanding the environmental characteristics of ground ice is vital for accurately modeling its distribution and evolution. In this study, we analyzed 15 environmental characteristics of high ice-content permafrost sites. These attributes were extracted from 400 high ice-content permafrost datasets including 300 drilling boreholes and 100 thaw slumps collected throughout the entire plateau using large-scale remote sensing data and their products. The results are as follows: The mean annual air temperature in areas where high ice-content permafrost exists ranges from -5 to -3.5 & DEG;C, with an average warming rate of 0.08 & DEG;C/a. Additionally, there was an average increase in precipitation of about 25 mm/10a and an increase in soil moisture of about 4%/10a. Geomorphology strongly influences the occurrence of high ice content permafrost, with 85% of high ice-content permafrost development at altitudes between 4400 and 5100 m. Approximately 86% of high ice-content permafrost were developed in lowland or relatively flat areas, preferably in gently sloping and shady slope regions. Soils exhibit less variability in clay particles and more variability in silt and sand. Key indicators in the high ice content permafrost region include warming rate, active layer thickness, elevation, bulk density, soil thickness, clay content, precipitation, soil moisture, and NDVI. High ice-content permafrost is the result of a combination of environmental factors and is expected to undergo significant changes in the future. This study provides a foundation for comprehending the environmental changes in the high ice-content permafrost areas and modeling the distribution of ground ice. It underscores the urgent need to address the significant environmental changes faced by high ice-content permafrost regions. |
| 关键词 | Qinghai-Tibetan Plateauhigh ice-content permafrostground iceenvironmental characteristics |
| 英文关键词 | WESTERN ARCTIC COAST; SURFACE GROUND-ICE; CLIMATE-CHANGE; MACKENZIE DELTA; ZONATION; BARROW; THAW |
| WOS研究方向 | Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology |
| WOS记录号 | WOS:001072265100001 |
| 来源期刊 | REMOTE SENSING
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/283747 |
| 作者单位 | Chinese Academy of Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS |
| 推荐引用方式 GB/T 7714 | Fan, Xingwen,Wang, Yanhe,Niu, Fujun,et al. Environmental Characteristics of High Ice-Content Permafrost on the Qinghai-Tibetan Plateau[J],2023,15(18). |
| APA | Fan, Xingwen.,Wang, Yanhe.,Niu, Fujun.,Li, Wenjiao.,Wu, Xuyang.,...&Lin, Zhanju.(2023).Environmental Characteristics of High Ice-Content Permafrost on the Qinghai-Tibetan Plateau.REMOTE SENSING,15(18). |
| MLA | Fan, Xingwen,et al."Environmental Characteristics of High Ice-Content Permafrost on the Qinghai-Tibetan Plateau".REMOTE SENSING 15.18(2023). |
| 条目包含的文件 | 条目无相关文件。 | |||||
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