干旱区生态环境知识资源中心(Arid): Relationship between sand-dust weather and water dynamics of desert areas in the middle reaches of Heihe River

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	Relationship between sand-dust weather and water dynamics of desert areas in the middle reaches of Heihe River
	Niu Yun; Liu Xiande; Li Xin; Wei Yanqiang; Zhang Hu; Li Xiaoyan
来源期刊	Sciences in Cold and Arid Regions
ISSN	1674-3822
出版年	2016
卷号	8 期号:6 页码:516-523
英文摘要	Sand-dust weather has become an international social-environmental issue of common concern, and constitutes a serious threat to human lives and economic development. In order to explore the responses of natural desert sand and dust to the dynamics of water in desertification, we extracted long-term monitoring data related to precipitation, soil water, groundwater, and sand-dust weather. These data originated from the test stations for desertification control in desert areas of the middle reaches of the Heihe River. We used an algorithm of characteristic parameters, correlations, and multiple regression analysis to establish a regression model for the duration of sand-dust weather. The response characteristics of the natural desert sand and dust and changes of the water inter-annual and annual variance were also examined. Our results showed: (1) From 2006 to 2014 the frequency, duration, and volatility trends of sand-dust weather obviously increased, but the change amplitudes of precipitation, soil water, and groundwater level grew smaller. (2) In the vegetative growth seasons from March to November, the annual variance rates of the soil moisture content in each of four studied layers of soil samples were similar, and the changes in the frequency and duration of sand-dust weather were similar. (3) Our new regression equation for the duration of sand-dust weather passed the R test, F test, and t test. By this regression model we could predict the duration of sand-dust weather with an accuracy of 42.9%. This study can thus provide technological support and reference data for water resource management and research regarding sand-dust weather mechanisms.
英文关键词	sand-dust weather water dynamics regression model middle reaches of the Heihe River
类型	Article
语种	英语
收录类别	CSCD
WOS研究方向	Meteorology & Atmospheric Sciences
CSCD记录号	CSCD:5886549
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335740
作者单位	Niu Yun, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China.; Li Xin, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China.; Wei Yanqiang, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, Gansu 730000, China.; Liu Xiande, Academy of Ecology Science of Zhangye, Gansu, Science and Technology Innovation Service Platform of Ecology in Qilian Mountains, Gansu Province, Zhangye, Gansu 734000, China.; Zhang Hu, Academy of Ecology Science of Zhangye, Gansu, Science and Technology Innovation Service Platform of Ecology in Qilian Mountains, Gansu Province, Zhangye, Gansu 734000, China.; Li Xiaoyan, Academy of Ecology Science of Zhangye, Gansu, Science and Technology Innovation Service Platform of Ecology in Qilian Mountains, Gansu Province, Zhangye, Gansu 734000, China.
推荐引用方式 GB/T 7714	Niu Yun,Liu Xiande,Li Xin,et al. Relationship between sand-dust weather and water dynamics of desert areas in the middle reaches of Heihe River[J],2016,8(6):516-523.
APA	Niu Yun,Liu Xiande,Li Xin,Wei Yanqiang,Zhang Hu,&Li Xiaoyan.(2016).Relationship between sand-dust weather and water dynamics of desert areas in the middle reaches of Heihe River.Sciences in Cold and Arid Regions,8(6),516-523.
MLA	Niu Yun,et al."Relationship between sand-dust weather and water dynamics of desert areas in the middle reaches of Heihe River".Sciences in Cold and Arid Regions 8.6(2016):516-523.