| Issue |
E3S Web Conf.
Volume 198, 2020
2020 10th Chinese Geosynthetics Conference & International Symposium on Civil Engineering and Geosynthetics (ISCEG 2020)
|
|
|---|---|---|
| Article Number | 02007 | |
| Number of page(s) | 4 | |
| Section | Structural Engineering Monitoring, Control, Repair and Reinforcement | |
| DOI | https://doi.org/10.1051/e3sconf/202019802007 | |
| Published online | 26 October 2020 | |
Analysis on the groundwater salt dynamic in a monitoring area in Hetao Irrigation District of Inner Mongolia
1 College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225009, Jiangsu, China
2 Jiangxi Water Resources Institute, Nanchang 330013, Jiangxi, China
* Corresponding author: cfyuan1989@163.com
In order to explore the rule of groundwater salt dynamic in Hetao Irrigation District, a typical monitoring area was selected as the research area in Yongji Irrigation Area of Hetao Irrigation District. The groundwater level and groundwater salinity were analyzed during the year and inter-annual variation in 2008-2013. The groundwater level showed an obvious seasonal change trend during the year variation. The groundwater level was at the peak value after spring irrigation and autumn irrigation. The groundwater level was at the low value before melting and autumn irrigation. The groundwater level had an obvious periodicity during the inter-annual variation. The groundwater level could keep a relatively stable for many years. The groundwater salinity showed an obvious seasonal change trend during the year variation. The groundwater salinity was greatly affected by irrigation and had a decreased trend after irrigation. The groundwater salinity had an obvious periodicity during the inter-annual variation and could keep a relatively stable for many years in cultivated land. The groundwater salinity had an increased trend during the inter-annual variation in wasteland. The wasteland was the drainage area for cultivated land. The wasteland had an obvious role in adjusting salt dynamic balance in Hetao Irrigation District.
© The Authors, published by EDP Sciences 2020
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