Functional soil map: Ground water level
The Ground water level is one of the most important factors of the soil water balance. All questions concerning ground water production as well as agricultural planning are dependent on this factor. Protecting the resource "ground water" of noxious substances as well as excessively discharge of nutrients as nitrate affecting the surface water is more effectively done by knowing the distance of the surface to the ground water level.
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1) Highest ground water levels The regionalisation is entirely based on the complex terrain factor "altitude above bottom contour line" (area data) and soil profiles (point data). |
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Use: important hydrological factor for manifold questions/problems concerning environment and practical use. |
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2) Regionalised highest ground water levels in the area around Wieren - done by n-dimensional kriging The regionalisation is entirely based on the complex terrain factor "altitude above bottom contour line" (area data) and soil profiles (point data). |
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Use: see above. |
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There are some examples following compared to the functional soil map with regionalised highest ground water levels. The examples show how the met information was gained with the common methods/data. "Further comments" concerning the images contains the differences and sometimes disadvantages of these common methods compared to the regionalisation in the functional soil mapping (see above).
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3) Highest ground water levels derived out of the soil map 1 : 25 000 The image shows the highest ground water levels derived out of the conventional soil map of the Niedersächsisches Landesamt für Bodenforschung (NLfB). |
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Use: see above. |
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4) Regionalised highest ground water levels in the area around Wieren The regionalisation here was done via "ordinary" Kriging entirely based on soil profile data (point data). |
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Use: see above |
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Functional
soil maps of the scilands GmbH are different to the common soil maps. Contrary
to those our functional soil maps prefer the functions and characteristics of
the soil with regard to practical use (in future). These information is not
easily to be seen in conventional maps. We produce unclassified (very accurate)
data set out of basic data
(soil evaluation, DTM, …) with geo statistical methods. For detailed information
see "Functional
Soil Mapping".
