Geoarchaeological prospection of a medieval manor in the Dutch polders using an electromagnetic induction sensor in combination with soil augerings
Simpson, D.; Lehouck, A.; Van Meirvenne, M.; Bourgeois, J.; Thoen, E.; Vervloet, J. (2008). Geoarchaeological prospection of a medieval manor in the Dutch polders using an electromagnetic induction sensor in combination with soil augerings. Geoarchaeology 23(2): 305-319. http://dx.doi.org/10.1002/gea.20214
In: Geoarchaeology. Wiley: New York, N.Y.. ISSN 0883-6353; e-ISSN 1520-6548, more
In archaeological prospection, geophysical sensors are increasingly being used to locate buried remains within their natural context. To cover a large area in sufficient detail, an electromagnetic induction sensor can be very useful, measuring simultaneously the electrical conductivity and the magnetic susceptibility of the soil (e.g., Geonics EM38DD). In this study, an 8 ha field containing a Medieval manor was mapped in a submeter resolution, using a mobile sensor configuration equipped with a GPS. As different soil features can yield analogous responses, the interpretation of geophysical maps can be ambiguous. Therefore, soil auger observations were laid out along two perpendicular transects to provide vertical profiles across the sensor measurements. This information greatly enhanced the interpretation of the anomalies obtained by the sensor. Both natural and anthropogenic features were delineated, which clearly presented a moated site along a former tidal channel.
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