Temporal-Spatial Climate Variability in the Headwater Drainage Basins of the Yangtze River and Yellow River, China | |
Sang Y. F. ; Wang Z. G. ; Liu C. M. ; Gong T. L. | |
2013 | |
关键词 | soil-moisture recent trends precipitation discharge series rainfall impacts maximum sea |
英文摘要 | Variability of the climate in the headwater drainage basins of the Yangtze River and Yellow River during 1961-2010 was investigated by examining four typical climatic variables: daily minimum, mean, and maximum temperatures and daily precipitation. The results indicate that the temporal trends vary among the climatic variables and the time periods examined. The increase in daily minimum temperature began later than the daily mean and maximum temperatures, but the increase rate of the former was relatively greater after 1985. The abrupt increases in precipitation that occurred near 1978 were much clearer than the three temperature variables. Four dominant periodicities (3, 7, 11, and 18-20 yr) of temperature and precipitation were identified, and these variation patterns directly determined the periodic discharge variations in the two rivers. Under climate change impacts, periodic variations in temperature and precipitation at long temporal scales were intensified after the 1980s. Comparatively, climate change more severely impacts the minimum temperature and precipitation than the maximum and mean temperatures in the study area, and the variability of daily precipitation is more complex than the three temperature variables. Overall, the headwater drainage basin of the Yellow River is more susceptible to climate change compared with the other basin. After 2008, the increase rate of temperature (especially the daily mean and minimum temperatures) became greater, and precipitation showed a downward trend in the study areas. These trends are unfavorable for the safety of water resources and for eco-environmental safety in the two basins. |
出处 | Journal of Climate |
卷 | 26 |
期 | 14 |
页 | 5061-5071 |
收录类别 | SCI |
语种 | 英语 |
ISSN号 | 0894-8755 |
内容类型 | SCI/SSCI论文 |
源URL | [http://ir.igsnrr.ac.cn/handle/311030/30282] |
专题 | 地理科学与资源研究所_历年回溯文献 |
推荐引用方式 GB/T 7714 | Sang Y. F.,Wang Z. G.,Liu C. M.,et al. Temporal-Spatial Climate Variability in the Headwater Drainage Basins of the Yangtze River and Yellow River, China. 2013. |
个性服务 |
查看访问统计 |
相关权益政策 |
暂无数据 |
收藏/分享 |
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。
修改评论