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Magnetometry: Medieval Stronghold of Demblin, PL

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ALS/LiDAR derived hillshade map with 3 magnetic gradiometry study areas
Magnetic gradiometry on study area 1
Mapping of anomalies on study area 1 which show the outline of levelled ramparts
Magnetic gradiometry on study area 2
Mapping of anomalies on study area 2 which show the outline of levelled ramparts
Magnetic gradiometry on study area 3
The rampart structures in area 3 generate weaker anomalies and suggest their low state of preservation
The capturing of magnetic anomalies caused by levelled rampart constructions in crucial points
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The geophysical survey in Demblin was commissioned by the Jagiellonian University and its aim was to gather additional data about earthwork features visible in the ALS/LiDAR data. This would in turn allow a more precise valuation of the size of the Medieval stronghold – possibly the largest one in Poland, counting over 10 hectares.

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