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    Down In The Dumps–Landfill Characterization with an Extremely Fast IP Method

    Paper! This workbook was created as part of a short course conducted at S.A.G.E.E.P. 99 in Oakland California. It is not a stand-alone document. The text following the figures are only figure captions and not complete descriptions of the data. Any question regarding the contents should be addressed to Zonge International. Part 1 ◾Contents ◾Bibliography […]

    Poster: Buried Waste Characterization: Soil Thickness, Vertical and Lateral Resolution

    Paper! Induced Polarization (IP) and resistivity data acquisition is a cost-effective, non-intrusive, fast method for determining the soil cover thickness, footprint (lateral) and vertical extent of buried waste material. With stations every 7.5 feet and lines every 30 feet, a three person field crew can cover approximately 1.5 acres in a typical field day. Data […]

    Poster: Induced Polarization for Landfill Delineation: Advantages and Improvements

    Paper! Induced Polarization (IP) is a common tool in minerals exploration, but it is less-commonly applied to environmental problems due to the expense. However, multi-channel receivers, used in conjunction with multiplexers, now allow rapid, inexpensive surveys at many sites. The addition of IP information to the standard resistivity data allows more comprehensive interpretations, and in […]

    Poster: Induced Polarization: Buried Landfill Delineation

    Paper! Induced polarization (IP) and resistivity can be very useful tools in mapping environmental features such as buried landfills, but the survey speeds and pseudosection interpretations have been drawbacks. New multi- channel receivers with computer-controlled multiplexers now allow extremely fast data acquisition, and two- dimensional smooth-model inversion (with topography) provides realistic geo-electric cross sections. The […]

    2-D Inversion of Resistivity and IP data with Topography

    Publisher – Zonge. Authors – Paper !   Abstract Two-dimensional, smooth-model inversion of resistivity and induced polarization data produces image-like, electrical property sections which improve the data’s interpretability. Recent software improvements enable routine smooth-model inversion of resistivity and induced polarization (IP) data. Nearly uniform starting models are generated by running broad moving-average filters over lines of […]