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  1. #1
    ph
    Nov 2011
    340
    122 times
    All Types Of Treasure Hunting

    archeology prospecting up to 600 feet using iris instruments

    are there anybody here who has already used iris intruments like syscal ? it claims it can get resistivity imaging up to 600 feet

    Natural hazard applications
    XXXhttp://www.iris-instruments.com/natural-hazard.html#cavities
    Buried structure




    During archeological studies, the determination of the location and of the spatial extension of the buried structures (e.g. walls of ancient and existing buildings, Himi et al., 2016) allows to determine precisely the area of investigation and the geometry of the buried structure (Selim et al., 2014, Terron et al., 2015). Electrical resistivity has been shown useful to image remains of buildings, tombs and other traces of ancient human activity.



    The Syscal range is well adapted to image such structures at shallow depth (Syscal Kid Switch, Syscal Junior Switch). The following example shows the ability of the Electrical Resistivity Tomography (ERT) to image a tomb at shallow depth (0.5 - 1m) with a Syscal Kid Switch.





    CAVITY -
    Cavities


    Cavities generally occurring in calcareous soils (karst) or due to mining activity may constitute a real danger for all type of activity on the ground surface. The cavity may create ground surface subsidence to sinkhole, generating from fissure in the masonry to the total collapse of building. This phenomenon can also occur in dams. In all cases, the early detection of cavity is the only way to minimize risk for population and structures. Usually employed complementarily to other methods, the electrical resistivity tomography may be sensitive to the presence of cavities.


    The Syscal Switch range is therefore well adapted to this type of applications (Syscal R1 Switch / Syscal Pro Switch).
    The Promis 10 slingram type EM profiler can also be adapted to image long linear or surface (such as for dams).

 

 

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