Soil Water and Salt Migration of Low-lying Parts of Irrigation Area in the Southwestern Tarim Basin

doi:10.7522/j.issn.1000-694X.2013.00293

JOURNAL OF DESERT RESEARCH

2014, Vol. 34

Issue (1): 148-152 DOI: 10.7522/j.issn.1000-694X.2013.00293

Soil Water and Salt Migration of Low-lying Parts of Irrigation Area in the Southwestern Tarim Basin

Xu Weiwei^1,2, Song Peng^1,2, Qiao Mu¹, Tian Changyan¹, Yin Chuanhua¹

1. Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China

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Abstract By monitoring the water-salt of low-lying irrigation farmland in the southwest Tarim Basin, the results showed that get rid of the flood irrigation effect, the groundwater table of experimental field firstly increased slowly, and it decreased gradually after achieving the maximum in early August. The groundwater mineralization of experimental field has always reduced slowly, the total salt of the soil in 0-60 cm layer achieved maximum in August, and then slowly reduced. From early July to the end of October, the groundwater table, groundwater mineralization and total salt of soil in 0-60 cm layer were positively correlated with each other, among them, the correlation coefficient between groundwater table and groundwater mineralization was 0.74, and the groundwater mineralization was exponential based on the groundwater table; The correlation coefficient between groundwater table and total salt of soil in 0-20 cm layer, 20-40 cm layer and 40-60 cm layer was respectively 0.49, 0.70 and 0.69, thereinto, the total salt of soil in 0-20 cm layer and 20-40 cm layer were exponential based on the groundwater table, and there is a multinomial regression equation between groundwater table and total salt of soil in 40-60 cm layer; The correlation of groundwater mineralization and total salt of soil in 0-20 cm layer, 20-40 cm layer and 40-60 cm layer was respectively 0.40, 0.83 and 0.76, and total salt of soil in 0-20 cm layer had a linear relation with groundwater mineralization, meanwhile, there existed a very significant power correlation between groundwater mineralization and total salt of soil in 20-40 cm layer and 40-60 cm layer.

Key words: soil water and salt transport low-lying irrigation area Tarim Basin

Received: 24 June 2013 Published: 20 January 2014

ZTFLH:

S152

Corresponding Authors: 乔木，qiaomu@ms.xjb.ac.cn E-mail: qiaomu@ms.xjb.ac.cn



	Articles by authors
	Xu Weiwei
	Song Peng
	Qiao Mu
	Tian Changyan
	Yin Chuanhua

Cite this article:

Xu Weiwei, Song Peng, Qiao Mu, Tian Changyan, Yin Chuanhua. Soil Water and Salt Migration of Low-lying Parts of Irrigation Area in the Southwestern Tarim Basin. JOURNAL OF DESERT RESEARCH, 2014, 34(1): 148-152.

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http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00293 OR http://www.desert.ac.cn/EN/Y2014/V34/I1/148

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