Variations and trends of the freezing and thawing index along the Qinghai-Xizang Railway for 1966-2004
文献类型：期刊论文
| 作者 | Jiang Fengqing ; Hu Ruji ; Li Zhen |
| 刊名 | JOURNAL OF GEOGRAPHICAL SCIENCES
 |
| 出版日期 | 2008 |
| 卷号 | 18期号:1页码:40618 |
| 关键词 | TIBET PLATEAU PERMAFROST |
| ISSN号 | 1009-637X |
| 通讯作者 | Jiang, FQ, CAS, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China |
| 中文摘要 | Annual freezing and thawing index of 7 meteorological stations along the Qinghai-Xizang Railway were calculated based on daily maximum and minimum temperature records for 1966-2004. Trends of annual freezing and thawing index were analyzed using the Mann-Kendall test and a simple linear regression method. The results show that: 1) The mean annual freezing indices range from 95 to 2300 degrees C.d and the mean annual thawing indices range from 630 to 3250 degrees C.d. The mean annual freezing index of the 7 stations exhibited decreasing trends with decreasing rate of -16.6- -59.1 degrees C center dot d/10a. The mean annual thawing index of these 7 stations showed increasing trends with the related decreasing rate is 19.83-45.6 degrees C center dot d/10a. 2) The MK trend test indicated the significant decreasing trends (significant at < 0.05 significant level) in the annual freezing index for most stations except for Golmud. The significant increasing trends can be observed in the annual thawing index for 4 stations except Golmud and Tuotuohe. Golmud was the only station with no trends in both annual freezing and annual thawing index. |
| 学科主题 | 自然地理学 |
| 收录类别 | SCI |
| 公开日期 | 2011-08-19 |
| 源URL | [http://ir.xjlas.org/handle/365004/10250]  |
| 专题 | 新疆生态与地理研究所_中国科学院新疆生态与地理研究所(2010年以前数据) |
| 推荐引用方式 GB/T 7714 | Jiang Fengqing,Hu Ruji,Li Zhen. Variations and trends of the freezing and thawing index along the Qinghai-Xizang Railway for 1966-2004[J]. JOURNAL OF GEOGRAPHICAL SCIENCES,2008,18(1):40618. |
| APA | Jiang Fengqing,Hu Ruji,&Li Zhen.(2008).Variations and trends of the freezing and thawing index along the Qinghai-Xizang Railway for 1966-2004.JOURNAL OF GEOGRAPHICAL SCIENCES,18(1),40618. |
| MLA | Jiang Fengqing,et al."Variations and trends of the freezing and thawing index along the Qinghai-Xizang Railway for 1966-2004".JOURNAL OF GEOGRAPHICAL SCIENCES 18.1(2008):40618. |
入库方式： OAI收割
来源：新疆生态与地理研究所
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