Effect of climate change on runoff in a basin with mountain permafrost, northwest China
| 作者: |
Liu, J.S., S.Y. Wang, and Y.Y. Huang |
| 期刊名称: |
Permafrost and Periglacial Processes |
| 发表年度: |
2007 |
| 卷: |
18 |
| 期: |
4 |
| 联系作者: |
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| 页码: |
369-377 |
| 摘要: |
Trends and variability in basin hydrological regime and climate were analysed for a mountain permafrost catchment in northwest China for the period 1957-2004. The Mann-Kendall non-parametric test was used to detect trends and the Trend Free Pre-Whitening approach was employed to correct the time-series data for autocorrelation. Statistically significant trends for the entire period included strong increases in winter air temperatures and winter monthly flows (December to March). However, change-point analyses revealed that much of the apparently long-term trend was actually due to abrupt changes in the variables that mainly occurred in the late 1980s and early 1990s. Copyright (C) 2007 John Wiley & Sons, Ltd.
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