DOI: 10.1175/JCLI-D-12-00523.1
Scopus记录号: 2-s2.0-84880680369
论文题名: Temporal-spatial climate variability in the headwater drainage basins of the yangtze river and yellow river, China
作者: Sang Y.-F. ; Wang Z. ; Liu C. ; Gong T.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2013
卷: 26, 期: 14 起始页码: 5061
结束页码: 5071
语种: 英语
Scopus关键词: Climate change impact
; Climate variability
; Climatic variables
; Daily precipitations
; Maximum temperature
; Minimum temperatures
; Periodic variation
; Yellow River , China
; Catchments
; Rivers
; Water resources
; Climate change
; climate change
; climate variation
; headwater
; periodicity
; precipitation (climatology)
; spatial analysis
; temperature profile
; temporal analysis
; China
; Yangtze River
; Yellow River
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. ©2013 American Meteorological Society. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/51797
Appears in Collections: 气候变化事实与影响
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作者单位: Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China; Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Chinese Academy of Sciences, Lanzhou, China; Water Conservancy Department of the Tibet Autonomous Region, Lhasa, China
Recommended Citation:
Sang Y.-F.,Wang Z.,Liu C.,et al. Temporal-spatial climate variability in the headwater drainage basins of the yangtze river and yellow river, China[J]. Journal of Climate,2013-01-01,26(14)