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WU Jian-feng, HUANG Chang-shuo. Improvement of Delaunay method and its application to spatial sampling network design for contaminant plume monitoring[J]. Advances in Water Science, 2006, 17(3): 305-311.
Citation: WU Jian-feng, HUANG Chang-shuo. Improvement of Delaunay method and its application to spatial sampling network design for contaminant plume monitoring[J]. Advances in Water Science, 2006, 17(3): 305-311.

Improvement of Delaunay method and its application to spatial sampling network design for contaminant plume monitoring

Funds:  The study is financially supported by the National Natural Science Foundation of China (No.40472130) and the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry (SRF for ROCS,SEM).
  • Received Date: 2004-12-13
  • Rev Recd Date: 2005-06-30
  • Publish Date: 2006-05-25
  • The groundwater monitoring network design involves the determination of the sampling locations and sampling frequencies to characterize the contaminant plume in an aquifer over space and time.This paper introduces a spatial sampling reduction method,the Delaunay method based on Delaunay triangularization,to identify and eliminate the redundant sampling wells of an existed long-term contaminant monitoring network.Considering that the Delaunay method is applicable to both the heterogeneous aquifers and inserting additional sampling locations in the insufficient monitoring network,a modified Delaunay method coupled with contaminant transport model is developed to deal with these issues.The results of this study indicate that the modified Delaunay method can be used as an efficient tool for the cost-effectively spatial sampling network design mean while keeping the accuracy of the characterization of the contaminant plume.
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Improvement of Delaunay method and its application to spatial sampling network design for contaminant plume monitoring

Funds:  The study is financially supported by the National Natural Science Foundation of China (No.40472130) and the Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry (SRF for ROCS,SEM).

Abstract: The groundwater monitoring network design involves the determination of the sampling locations and sampling frequencies to characterize the contaminant plume in an aquifer over space and time.This paper introduces a spatial sampling reduction method,the Delaunay method based on Delaunay triangularization,to identify and eliminate the redundant sampling wells of an existed long-term contaminant monitoring network.Considering that the Delaunay method is applicable to both the heterogeneous aquifers and inserting additional sampling locations in the insufficient monitoring network,a modified Delaunay method coupled with contaminant transport model is developed to deal with these issues.The results of this study indicate that the modified Delaunay method can be used as an efficient tool for the cost-effectively spatial sampling network design mean while keeping the accuracy of the characterization of the contaminant plume.

WU Jian-feng, HUANG Chang-shuo. Improvement of Delaunay method and its application to spatial sampling network design for contaminant plume monitoring[J]. Advances in Water Science, 2006, 17(3): 305-311.
Citation: WU Jian-feng, HUANG Chang-shuo. Improvement of Delaunay method and its application to spatial sampling network design for contaminant plume monitoring[J]. Advances in Water Science, 2006, 17(3): 305-311.
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