ZMIN: Minimun elevetaion above sea

ZMIN: Minimum elevation above sea level of the STU (in metres).
It is often difficult to fill in the information concerning ZMIN and ZMAX attributes. This is particularly true when the map coverage is a generalisation of previous maps that were not very detailed themselves. The use of a Digital Elevation Model (DEM) will often palliate the lack of information for these attributes. Using a DEM will however apply to the whole Soil Mapping Unit, and not to the individual STU components, as required here. Hence the information should be provided if available from the soil survey. The range of authorised values for attributes ZMIN and ZMAX is an integer number selected in [ 999, and the interval -400 ,9999]. –999 is the code used when no information is available. The negative values in the interval are given since some areas, such as the Caspian or Dead Seas, are below the general ocean level. The following table holds the coding scheme for attributes ZMIN:

ZMIN: Minimum elevation above sea level of the STU (in metres)
-999 No information
-2 metres
-1 metres
0 metres
1 metres
2 metres
5000 metres

Data ownership
European Commission, Joint Research Centre.
Publication Date
Vector Data
environmental resources, protection and conservation. Examples: environmental pollution, waste storage and treatment, environmental impact assessment, monitoring environmental risk, nature reserves, landscape


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