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A Geostatistically Based Ground Water Monitoring Study of Nonpoint Source No 3 ‐ ‐N Concentrations
Author(s) -
Carlson Rick A.,
Osiensky James L.
Publication year - 2002
Publication title -
groundwater monitoring and remediation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.677
H-Index - 47
eISSN - 1745-6592
pISSN - 1069-3629
DOI - 10.1111/j.1745-6592.2002.tb00777.x
Subject(s) - groundwater , environmental science , hydrology (agriculture) , aquifer , water quality , irrigation , surface water , ground truth , center pivot irrigation , test site , geology , environmental engineering , geotechnical engineering , mining engineering , ecology , machine learning , computer science , biology
Geostatistical interpretations of ground water monitoring data are presented to define the spatial distributions of NO 3 ‐ ‐N in the ground water at two demonstration test sites in the Idaho Snake River Plain. Sequential Gaussian simulation was used to delineate monthly ground water NO 3 ‐ ‐N changes during and after implementation of a prescribed crop rotation at test site 1. Trend surface analyses were used to illustrate monthly ground water NO 3 ‐ ‐N changes during and after a prescribed irrigation practice was implemented at test site 2. These evaluations suggest that geostatistically based ground water monitoring can be effective in the delineation of changes in ground water quality in shallow, unconfined aquifers in agricultural areas such as those in southern Idaho. Geostatistical methods showed spatial and temporal changes in ground water NO 3 ‐ ‐N inferred to be a result of the agricultural practices implemented.