Variations in Soil Temperature at BJ Site on the Central Tibetan Plateau
文献类型：期刊论文
| 作者 | WAN Guoning ; YANG Meixue ; WANG Xuejia |
| 刊名 | Journal of Mountain Science
 |
| 出版日期 | 2012-04 |
| 卷号 | 9期号:2页码:274-285 |
| 关键词 | Tibetan Plateau Land-atmosphere interaction Soil temperature Climate warming |
| 通讯作者 | YANG Meixue |
| 英文摘要 | The temporal and spatial variation in soil temperature play a significant role in energy and water cycle between land surface and atmosphere on the Tibetan Plateau. Based on the observed soil temperature data (hourly data from 1 January 2001 to 31 December 2005) obtained by GAME-Tibet, the diurnal, seasonal and interannual variations in soil temperature at BJ site (31.37° N, 91.90° E; 4509 m a.s.l.) near Naqu in the central Tibetan Plateau were analyzed. Results showed that the average diurnal variation in soil temperature at 4 and 20 cm depth can be described as sinusoidal curve, which is consistent with the variation of solar radiation. However, the average diurnal variation in soil temperature under 60 cm was very weak. The average diurnal amplitude in soil temperature decreased by the exponential decay function with the increase of soil depth (R2=0.92, p<0.01). It is demonstrated that the average diurnal maximum soil temperature decreased by the exponential decay function with the increase of soil depth (R2 =0.78, p<0.01). In contrast, the average diurnal minimum soil temperature increased by the exponential grow function with increasing of soil depth (R2=0.86, p<0.01). There were a linear negative correlation between the average annual maximum Ts and soil depth (R2=0.96, p<0.01), a logarithmic function relationship between the average annual minimum soil temperature and soil depth (R2=0.92, p<0.01). The average seasonal amplitude in soil temperature followed the exponential decay function with the increase of soil depth (R2=0.98, p<0.01). The mean annual soil temperature in each layer indicated a warming trend prominently. During the study period, the mean annual soil temperature at 4, 20, 40, 60, 80, 100, 130, 160, 200 and 250 cm depth increased by 0.034, 0.041, 0.061, 0.056, 0.062, 0.050, 0.057, 0.051, 0.047 and 0.042 °C /a, respectively. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2013-04-15 |
| 源URL | [http://192.168.143.20:8080/handle/131551/5091]  |
| 专题 | 成都山地灾害与环境研究所_Journal of Mountain Science _Journal of Mountain Science-2012_Vol9 No.2 |
| 推荐引用方式 GB/T 7714 | WAN Guoning,YANG Meixue,WANG Xuejia. Variations in Soil Temperature at BJ Site on the Central Tibetan Plateau[J]. Journal of Mountain Science,2012,9(2):274-285. |
| APA | WAN Guoning,YANG Meixue,&WANG Xuejia.(2012).Variations in Soil Temperature at BJ Site on the Central Tibetan Plateau.Journal of Mountain Science,9(2),274-285. |
| MLA | WAN Guoning,et al."Variations in Soil Temperature at BJ Site on the Central Tibetan Plateau".Journal of Mountain Science 9.2(2012):274-285. |
入库方式： OAI收割
来源：成都山地灾害与环境研究所
浏览0
下载0
收藏0
其他版本
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。