Optimal selection of groundwater-level monitoring sites in the Zhangye Basin, Northwest China
2015
Ran, Youhua | Li, Xin | Ge, Yong | Lu, Xuegang | Lian, Yaokang
An optimized groundwater monitoring network is essential for agricultural irrigation that uses groundwater resources. This technical note presents a new scheme to optimize the existing groundwater-level monitoring network in the Zhangye Basin, China. The scheme integrates kriging theory, spatial stratification and temporal stability analysis. The optimized results indicate that the number of additional observation wells in each stratum is correlated with the number of existing wells, the stratum areas and the temporal stability of the groundwater-level spatial pattern. These findings are consistent with expectations. The effectiveness of the proposed method is demonstrated, and its implementation is simple, robust and flexible.
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