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A comparison of geophysical and hydrogeological models PDF Print E-mail
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Written by Administrator   
Monday, 24 April 2006

A comparison of geophysical and hydrogeological models: Examination of the threats to wetland habitats by groundwater exploitation in Ostfriesland (Germany)


Geophysical methods (electric and electromagnetic) allow mapping the resistivity distribution in the underground in multiple dimensions. Different soils show different resistivity; e.g. clay usually has a lower resistivity than sand. This allows us to differentiate between different sediment types using geophysical techniques.

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Last Updated ( Friday, 08 December 2006 )
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In-field interpretation and calibration of geophysical data PDF Print E-mail
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Contributed by Markus Perk   
Monday, 24 April 2006

Geophysics investigates the earth with the help of physical methods (e.g. measurements of electromagnetic fields) and helps to understand the interior processes of the inner earth (e.g. magnetism, earthquakes), surface-near processes (e.g. the impact of seismic waves to buildings), surface-near investigation of structures for engineering purposes (e.g. waste site investigation) and processes on the planets of our solar system.


By calibrating geological and geophysical results, geological structures and non-geological anomalies can be verified or dertermined with a much higher effiency as with one discipline alone.

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Last Updated ( Tuesday, 06 February 2007 )
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First volumetric geological model
visualized via google earth.
gsi3d_google_earth_cologne.jpg 
 
 
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