[19] - Digitale Karte der Grundwassergleichen

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Landesumweltamt Nordrhein-Westfalen, 2009. Digitale Karte der Grundwassergleichen, Recklinghausen.
Title(s):Main Title: Digitale Karte der Grundwassergleichen
Alternative Title: Digital Map of Groundwater Contours
Description(s):Abstract: The GwK (map of isopiestic lines) shows the spatial position of the water table at a certain point displayed by isopiestic lines. Due to the scale of the map not all local details e.g. cones of depression caused by water works or effects of surface water were included in the map. The analog map was digitized by the LANUV (Environmental Agency of North Rhine-Westphalia) using data from April 1988, representing the maximum water level measured until this date. Isolines were scanned from the analog maps and transformed into a shape file so far. Digitization of hydrologic information such as geological layers and faults has not been carried out yet. But an edge matching of neighboring map sheets and was done and water levels were assigned with the isolines. The Geologischer Dienst NRW (Geological Survey of North Rhine-Westphalia) revised the analog data and carried out an overlay with a terrain model in order to compensate inaccuracies.
Responsible Party
Creator-Institution(s):Owner: Landesumweltamt Nordrhein-Westfalen
Creator(s)-Person:Point Of Contact: Guido Waldhoff
Publisher:CRC/TR32 Database (TR32DB), Landesumweltamt Nordrhein-Westfalen
TR32 Topic:Other
Related Sub-project(s):Z1
Subject(s):CRC/TR32 Keywords: Geodata
GEMET: water table, map, groundwater
Topic Category:InlandWaters
File Details
File Name:GwK.zip
Data Type:Dataset
Date(s):Created: 2005-03-31
Mime Type:application/zip
Data Format:ESRI Shapefile
File list - click to open:
Download Permission:OnlyTR32
Download Information:Dataset download is not possible due to license restrictions. Please contact tr32db-admin@uni-koeln.de for further information.
General Access and Use Conditions:Access and use only for CRC/TR32 members.
Access Limitations:Access and use only for CRC/TR32 members.
Licence:TR32DB Data policy agreement
Measurement Region:Other
Measurement Location:--Other--
Specific Informations - Geodata
Temporal Extent:1988/04/01 - 1988/04/30
Spatial Representation:vector
Presentation Form:mapDigital
Reference System:DHDN / 3-degree Gauss-Kruger zone 2 (EPSG: 31466)
Initiative Type:collection
Metadata Details
Metadata Creator:Dirk Hoffmeister
Metadata Created:2009-02-02
Metadata Last Updated:2009-02-02
Funding Phase:1
Metadata Language:English
Metadata Version:V25
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