干旱区生态环境知识资源中心(Arid): Interdecadal variations of pan-evaporation at the southern and northern slopes of the Tianshan Mountains, China

Arid

	Interdecadal variations of pan-evaporation at the southern and northern slopes of the Tianshan Mountains, China
	Li Sisi; Wang Quan; Li Lanhai
来源期刊	Journal of Arid Land
ISSN	1674-6767
出版年	2016
卷号	8 期号:6 页码:832-845
英文摘要	Evaporation controlled by meteorological parameters plays a crucial role in hydrology, meteorology and water resources management. An insight view of long-term variation in evaporation will help understanding the effects of climate change and provide useful information for rational utilization of water resources, especially in the arid land where the shortage of water resources exists. However, the lack of data on evaporation led to difficulties in assessing the impacts of climate change on evaporation, especially in arid mountainous area. This study investigated the long-term variation of the pan-evaporation(Ep) measured by E601 type evaporation pan and its influencing climatic factors at both northern and southern slopes of the Tianshan Mountains in Xinjiang of China using the ensemble empirical mode decomposition method and Path analysis. The results revealed that Eps at both northern and southern slopes had obvious interdecadal variation within cycles of 3-4 and 7-8 years. Eps at both slopes sharply decreased in early 1980s, but increased after late 1990s. Path analysis showed that the 3-4 years cycle of Ep at the northern and southern slopes was mainly dependent upon actual water vapor pressure with a negative direct path coefficient of -0.515 and sunshine duration with a positive direct path coefficient of 0.370, respectively. The variation of Ep with cycle of 7-8 years at the northern slope was attributed to the wind speed with a direct path coefficient of 0.774. Average temperature had a direct path coefficient of 0.813 in 7-8 years cycle at the southern slope. The assessment of Ep variation and its causes provides information essential for a good understanding of hydrologic cycle and regional climate of arid mountainous regions in Xinjiang of China and offers a theoretical reference for distribution and utilization of water resources.
英文关键词	interdecadal variation pan-evaporation Ensemble Empirical Mode Decomposition path analysis Tianshan Mountains
类型	Article
语种	英语
开放获取类型	Bronze
收录类别	CSCD
WOS研究方向	Geology
CSCD记录号	CSCD:5828493
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335713
作者单位	Li Sisi, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, State Key Laboratory of Desert and Oasis Ecology;;Xinjiang Key Laboratory of Water Cycle and Utilization in Arid Zone, Urumqi, Xinjiang 830011, China.; Li Lanhai, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, State Key Laboratory of Desert and Oasis Ecology;;Xinjiang Key Laboratory of Water Cycle and Utilization in Arid Zone, Urumqi, Xinjiang 830011, China.; Wang Quan, Faculty of Agriculture, Shizuoka University, Shizuoka 422-8529, Japan.
推荐引用方式 GB/T 7714	Li Sisi,Wang Quan,Li Lanhai. Interdecadal variations of pan-evaporation at the southern and northern slopes of the Tianshan Mountains, China[J],2016,8(6):832-845.
APA	Li Sisi,Wang Quan,&Li Lanhai.(2016).Interdecadal variations of pan-evaporation at the southern and northern slopes of the Tianshan Mountains, China.Journal of Arid Land,8(6),832-845.
MLA	Li Sisi,et al."Interdecadal variations of pan-evaporation at the southern and northern slopes of the Tianshan Mountains, China".Journal of Arid Land 8.6(2016):832-845.