Journal of Jilin University(Earth Science Edition) ›› 2015, Vol. 45 ›› Issue (4): 1173-1179.doi: 10.13278/j.cnki.jjuese.201504203

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Optimization Design of the Shallow Groundwater Dynamic Monitoring Network in Hetao Plain

Yu Chu, Zhang Yilong, Meng Ruifang, Cao Wengeng   

  1. Institute of Hydrogeology and Environmental Geology, CAGS, Shijiazhuang 050061, China
  • Received:2014-10-23 Published:2015-07-26

Abstract:

Groundwater dynamic monitoring network in Hetao plain faces the problem of the unreasonable layout of monitoring wells. This limits the further research of the groundwater environment. Through the analysis of the hydrogeology and kriging interpolation, connecting with the actual situation, the shallow groundwater monitoring network in Hetao basin is optimally designed. Geomorphology, lithology, shallow groundwater depth, permeability coefficient, average annual precipitation, average annual evaporation, and groundwater mining modulus are considered to map the groundwater dynamic influence factor zoning. The results show that the optimum monitoring network has 428 wells; and the kriging interpolation error standard deviation of that is 2.53-10.99 m, significantly decreased compared to the former deviation (2.75-27.00 m). It shows that the monitoring precision of the optimized network has made a great progress. In addition, groundwater dynamic monitoring of the key areas such as riparian zone, fault zone, brackish-water interaction zone and drawdown funnel area can be made by the optimum monitoring network. It can also meet the needs of monitoring well density in different areas practically.

Key words: groundwater monitoring, optimization design, kriging interpolation, hydrogeological analysis

CLC Number: 

  • P641.123

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