Digital Hydrogeological Map 1:100,000 — Distribution of Hydrogeological Units

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Provided by Bundesamt für Kartographie und Geodäsie

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Dataset information

Catalog
Country of origin
Updated
2021.09.29 00:00
Created
Available languages
German
Keywords
dHK100, Hydrogeologische Karte, hydrologische Planungsgrundlagen, opendata, HK100, Hydrogeologische Einheiten, gdiby, Hydrogeologie
Quality scoring
105

Dataset description

Distribution of hydrogeological units (without top layers) as a layer of the digital hydrogeological map 1:100 000. It is recommended to display together with the separate shelf layer top layers. Zoom limit min 1:200 000 to max. 1:50 000. A hydrogeological unit means a rock body which, due to its petrography, texture or structure, has uniform hydrogeological properties of a defined range and is limited by layer boundaries, facies, erosion margins or disturbances. In the case of loose rocks, it may consist of a single or a complex of several sedimentation bodies, in the case of solid rocks, a single layer or a sequence of layers of similar rock formation and similar degree of separation. The dHK100 was created between 2000 and 2015 (planning region 14 Munich to 2019) according to planning regions. Technical map bases of all layers of the dHK100 and HK100 were i.e. the available geological maps on a scale of 1:25 000 and 1: 50 000 to the respective processing stage. Their geometries were partly generalised. There is no systematic update of the dHK100. Due to the planning region processing over longer periods of time, geometric and attributive inconsistencies between the hydrogeological units encountering there can occur along the planning region boundaries. These are due to different basic geological maps from which the hydrogeological maps are derived. Geometries and legend units are designed for an overview scale 1:100 000 (1 cm on a map correspond to 1 km in nature) and are generally generalised. The dHK100 or HK100 is intended as a basis for large-scale considerations. It does not replace detailed examinations and assessments by a specialist office in the planning of local projects. Scale-related accuracy does not change due to the scale-independent visualisation possibilities of digital map works. For further interpretations that combine or intersect the map work with other spatial data sets, it should be noted that an intersection of spatial data of greatly different resolution or target scales or different type of attribuing can lead to implausible or difficult to interpret results.
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