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Selected Applications of Handheld, Near-Surface EM Systems SAGE

Selected Applications of Handheld, Near-Surface EM Systems SAGE. Vertical Distribution of EM Response. Factors that affect Soil Conductivity. soil properties include:. Water Content Soil Texture Soil Organic Matter Depth to Claypans Cation Exchange Capacity (CEC) Salinity

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Selected Applications of Handheld, Near-Surface EM Systems SAGE

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  1. Selected Applications of Handheld, Near-Surface EM Systems SAGE

  2. Vertical Distribution of EM Response

  3. Factors that affect Soil Conductivity soil properties include: • Water Content • Soil Texture • Soil Organic Matter • Depth to Claypans • Cation Exchange Capacity (CEC) • Salinity • Exchangeable Ca and Mg • Water Holding Capacity of Soil

  4. Survey Summary • Data collected with EM31 • 2 m line spacing, 1.5 m station int. • Total 1500 stations • In-phase & Quad • Survey time 5 hours • Total cost $1,500 Conductivity in mS/m

  5. Conclusion Ultimately, the overburden and 5 feet of rock was excavated and sent for processing. The revised cleanup cost was over 8 million dollars

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