Using the anisotropy of electrical properties for the characterization of sedimentological structures and preferential flow processes
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Beschreibung
Detailed information about subsurface structures (e.g. layering) and processes
(e.g.
ow and solute transport) in the vadose zone is important for the characterization
and protection of soil and groundwater. Unfortunately, such information
is not easily accessible due to the complexity of the soil system that exhibits
considerable spatial variation in subsurface structure, which introduces signi -
cant uncertainty when attempting to improve system understanding. Because of
layering structures and macropores in the subsurface, signi cant changes in soil
properties appear in horizontal and vertical directions that introduce anisotropy
in soil properties such as the hydraulic conductivity and the electrical resistivity.
The premise of this thesis is that anisotropy in electrical resistivity can be used
to extract meaningful information about other soil characteristics and properties.
In particular, we investigate whether the anisotropy in electrical properties can
be used to obtain information about the heterogeneity of sediment structures and
macropore preferential
ow processes using non-invasive geophysical techniques
because such information is hard to obtain in eld applications using classical
destructive methods....
Autor*in
Sadam Al-Hazaimay
Themen in »Using the anisotropy of electrical properties for the characterization of sedimentological structures and preferential flow processes«
Electrical Anisotropy Soils Subsurface Structures