Overview of Available LTMO Methods
Overview of Available LTMO Methods
Overview of Available LTMO Methods
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41<br />
3-Tiered Approach<br />
Spatial Evaluation<br />
• DATA<br />
– Spatial “Snapshot” <strong>of</strong> Plume<br />
• Most recent chemical concs<br />
• Indicator chemical<br />
• Wells in same zone<br />
• INFORMATION<br />
– Geostatistical (Kriging) Evaluation<br />
• Develop spatial model (semivariogram)<br />
Requires<br />
Experience with<br />
Geostatistics &<br />
Semivariogram<br />
Development<br />
• Calculate Kriging predicted standard error metric for each well<br />
– Conducted Using ArcGIS Geostatistical Analyst<br />
Extension<br />
• SOLUTION<br />
– Recommend removal or retention based on relative<br />
value <strong>of</strong> spatial information <strong>of</strong> each well
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