Coastal elevation 2000

Description

Altitude model of the coast in the form of a grid with a resolution of 5 meters where the altitude value is included in meters. Parts of the sandy coast of the Netherlands are recorded each year in height for the manufacture of beach profiles for the purpose of monitoring coastline. A digital height model (DHM) is a file in which the height is displayed according to a regular, rectangular grid. Each cell of the grid (also called a grid cell) is given an altitude value. This height value is calculated from the surrounding laser points of the filtered base file. The technique used for this purpose is a so-called weighted average interpolation . More information and explanation about the interpolation can be found in the manual the grids of the AHN on www.ahn.nl. If there are no laser points near a grid cell, the cell remains empty (the cell gets a nodata value). Important to know is that the value of a 5x5 meter grid cell is calculated from multiple laser points (the number depends on the point density of the base file). As a result, the influence of the measurement noise and outliers decreases and a slight degree of flattening occurs.

Resources

Name Format Description Link
0 https://geo.rijkswaterstaat.nl/arcgis/rest/services/GDR/hoogte_2000/MapServer
57 https://downloads.rijkswaterstaatdata.nl/hoogte_2000%5Ckust_2000.tif
0 https://geo.rijkswaterstaat.nl/services/ogc/gdr/hoogte_2000/ows?service=WCS&request=getcapabilities&version=2.0.1
0 https://geo.rijkswaterstaat.nl/services/ogc/gdr/hoogte_2000/ows?service=WMS&request=getcapabilities&version=1.3.0
22 https://maps.rijkswaterstaat.nl/dataregister-publicatie/srv/api/records/33465e1a-659c-423a-b616-0b91b00816f0/attachments/small.jpg

Tags

  • fysische-geografie
  • flora-en-fauna
  • hoogte

Topics

Categories