[322] - Digital Elevation Model 1m single tiles (Section 1), based on data from Bezirksregierung Köln

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scilands GmbH, 2012. Digital Elevation Model 1m single tiles (Section 1), based on data from Bezirksregierung Köln, Göttingen, Germany. CRC/TR32 Database (TR32DB). Accessed from https://www.tr32db.uni-koeln.de/data.php?dataID=322 at 2020-03-29.
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Title(s):Main Title: Digital Elevation Model 1m single tiles (Section 1), based on data from Bezirksregierung Köln
Description(s):Abstract: Digital Elevation Model (DEM) of German parts of Rur-catchment. For certain analyses or algorithms that intend to map surface processes it is imperative to model in a high resolution. The measuring point density of the original date of the Rur chatchment justifies the generation of a DGM with 1 m spatial resolution. The density of measurement points located between 0.3 measurements/m² and 1.7 measurements/m². First of all, data gaps were closed by using the SAGA-module and noise was removed by using a modified, variable Lee-filter. Removing the noise also unveiled hidden geomorphological information. For the analysis of current geomorphological processes anthropogenic landforms like embankments, sunken roads or railways, dikes, open cast mining areas etc. are important. When classifying certain relief areas a DGM without anthropogenic landforms is needed. Therefore two datasets have been created. A resampling method developed by the scilands GmbH using local minima and maxima preserved the anthropogenic features which could then be detected and removed. Therefore, a filter (SAGA-module) was improved and enabled to identify nearly all artificial dikes in the landscape. A manual correction took place afterwards. Finally, the SAGA-module and the Lee-filter were used again to fill in the missing values. Finally, all datasets were combined whilst trying to produce a fluent passage from one dataset to the other.
Responsible Party
Creator-Institution(s):Owner: scilands GmbH
Creator(s)-Person:Point Of Contact: Guido Waldhoff
Publisher:CRC/TR32 Database (TR32DB)
TR32 Topic:Topography
Related Sub-project(s):Z1
Subject(s):CRC/TR32 Keywords: Catchment
GEMET: model, raster
Topic Category:Elevation
File Details
File Name:DEM_Sciland_1m_single_tiles_section_1.zip
Data Type:Image
Size(s):1 Datasets
Date(s):Created: 2008-01-01
Issued: 2012-01-01
Mime Type:application/zip
Data Format:TIFF
Download Permission:OnlyTR32
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:RurCatchment
Measurement Location:--RurCatchment--
Specific Informations - Geodata
Spatial Resolution:Distance: 1m
Spatial Representation:grid
Presentation Form:mapDigital
Reference System:DHDN / 3-degree Gauss-Kruger zone 2 (EPSG: 31466)
Initiative Type:collection
Metadata Details
Metadata Creator:Guido Waldhoff
Metadata Created:2012-09-04
Metadata Last Updated:2012-09-04
Funding Phase:2
Metadata Language:English
Metadata Version:V30
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Metadata Downloads:1
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