Seisxplore Survey
Konsultan Geofisika|Geologi|Geoteknik
Kategori: TEM
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Exploration Geophysical Methods Transient Electromagnetic (TEM)
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Overview of TEM The transient electromagnetic or TEM technique is a commonly used surface based geophysical method which provides resistivity information about the subsurface. A transmitter (usually a loop of wire on the ground) is driven by a time varying current. The change in current, and resulting EM field, establishes an image current within the…
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Introduction During clean up of an early-warning-radar facility in the early 60’s, a sled-load of small arms rounds in ammunition boxes was reportedly dumped into the northern end of Troutman Lake. Troutman Lake is a shallow fresh-water lake just south of Gambell, on the Northwest Cape of Saint Lawrence Island, Alaska (figure 1). Due to…
