Some aspects in practical estimation of groundwater contaminant concentrations

Spatial distribution of groundwater contaminant concentration has special characteristics such as approximate symmetric profile, for example, in the transversal direction to groundwater flow direction, a certain ratio in directional propagation distances, etc. To obtain a geophysically appropriate s...

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Bibliographic Details
Published inJournal of applied mathematics & computing Vol. 8; no. 2; pp. 325 - 336
Main Authors Cho, Choon Kyung, Ha, Bang Soo, Kang Sungkwon
Format Journal Article
LanguageEnglish
Published Dordrecht Springer Nature B.V 01.05.2001
Subjects
Applied mathematics
Contaminants
Groundwater
Groundwater flow
Spatial distribution
Studies
Symmetry
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Summary:Spatial distribution of groundwater contaminant concentration has special characteristics such as approximate symmetric profile, for example, in the transversal direction to groundwater flow direction, a certain ratio in directional propagation distances, etc. To obtain a geophysically appropriate semivariogram which is a key factor in estimation of groundwater contaminant concentration at desired locations, these special characteristics should be considered. Specifically, the concepts of symmetry and ratio are considered in this paper. By applying these two concepts, significant improvement of semivariograms, estimation variances, and final estimation results compared with the ones by conventional approaches which usually do not account for symmetry and ratio are shown using field experimental data.
ISSN:1598-5865
1865-2085
DOI:10.1007/BF02941969