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Absence boulder clay (bores)
Locations of drillings where no boulder clay has been found in Drenthe. -
Thickness of boulder clay package
Thickness of the boulder clay package in Drenthe, in metres. -
Hydraulic resistance of boulder clay
Hydraulic resistance (c-value), in days, of boulder clay in Drenthe. This is a measure of the resistance this layer offers to vertical groundwater flow. -
Soiltypesmap
The soil type map shows the location of the peat soils and mineral soils in Drenthe. The map is derived from the Soil map 1:50 000. Only 10 legend units are distinguished. At... -
Vertical permeability boulder clay
Vertical permeability (k-value), in meters per day, of boulder clay in Drenthe. The vertical permeability is a measure of the ease with which water can flow through this layer. -
Depth of the bottom of the boulder clay (relative to ground level)
Depth of the bottom (base) of boulder clay in Drenthe, in meters relative to ground level. -
Depth of bottom boulder clay (relative to NAP)
Depth of the bottom (base) of boulder clay in Drenthe, in meters relative to NAP. -
Depth at the top of the boulder clay (relative to ground level)
Depth of the top (top) of boulder clay in Drenthe, in meters relative to ground level. -
Possible occurrence of boulder clay
This is the maximum limit (spread) of boulder clay in Drenthe. Outside the boundary of the boulder clay on this map, the boulder clay is not present. Within the boundaries of... -
Depth at the top of the boulder clay (relative to NAP)
Depth of the top (top) of boulder clay in Drenthe, in meters relative to NAP. -
Voorkomen keileem (boringen)
Locaties van boringen waar keileem in Drenthe is aangetroffen.
