European Ground Motion Service - Mosaic of Iceland

The Earth’s surface is in constant motion. Whether due to natural phenomena such as tectonic activity or volcanism, or because of human activities such as groundwater extraction or mining, the dynamism of the surface can have significant impacts on infrastructure and natural ecosystems. In recent years, increasing awareness of the potential risks related to ground motion has led to a demand for comprehensive and reliable information on these movements.

The European Ground Motion Service (EGMS) was created in response to user needs voiced at the Copernicus User Forum. This product represents the bleeding edge of space-based remote sensing technology, using Synthetic Aperture Radar Interferometry (InSAR) data derived from Sentinel-1 to detect and measure ground movements across Europe with milimetre precision. The product is updated annually and can be used for a variety of applications; city, regional, or state authorities can use it to monitor the structural integrities of dams, bridges, railways, and buildings. It allows urban planners to make data-driven decisions about where to build new infrastructure by assessing the likelihood of natural hazards such as landslides or subsidence. Researchers can also use EGMS data to study the impacts of climate change, such as thawing permafrost and coastal subsidence. More info here: https://land.copernicus.eu/en/products/european-ground-motion-service

https://sdi.eea.europa.eu/catalogue/srv/eng/catalog.search#/metadata/943e9cbb-f8ef-4378-966c-63eb761016a9

The EGMS Ortho exploits the information provided by ascending and descending orbits of the EGMS Calibrated to derive two further layers; one of purely vertical displacements (EGMS Ortho Vertical), the other of purely east-west displacements (EGMS Ortho East/West). Both layers are resampled to a 100 m grid, so that the final resolution is 100 by 100 m.

This dataset is processed from the Copernicus EGMS vector dataset resulting in a raster mosaic of the mean velocity of the ground in Iceland between 2018 and 2022 in mm/year in the up and down direction and the east west direction. It has been reprojected to EPSG:3057 from EPSG:3035.

Simple

Date ( Publication )
2023-10-25
Edition
2018-2022
Purpose
Monitoring ground movement in Iceland between 2018 and 2022
Status
Completed
Point of contact
Náttúrufræðistofnun - ( )
Originator
European Environmental Agency -
Maintenance and update frequency
Annually
Keywords ( Theme )
Keywords ( Place )
  • Iceland
  • EGMS
  • Ground Motion
  • Ísland
  • jarðskorpuhreyfingar
  • Copernicus
  • Europe
  • InSAR
  • Sentinel 1
  • Landslide
  • Subsidence
  • Geological process
Access constraints
Copyright
Use constraints
Copyright
Other constraints

http://inspire.ec.europa.eu/metadata-codelist/LimitationsOnPublicAccess/noLimitations

https://land.copernicus.eu/en/data-policy

“Generated using European Union's Copernicus Land Monitoring Service information;

DOI (Ortho Vertical): https://doi.org/10.2909/943e9cbb-f8ef-4378-966c-63eb761016a9

DOI (Ortho East/West): https://doi.org/10.2909/fef95698-bcb5-4e68-9575-f7dbbf835dd7”

Spatial representation type
Grid
Metadata language
eng
Character set
UTF8
Topic category
  • Elevation
  • Geoscientific information
  • Location
Begin date
2018-01-01
End date
2022-12-31
N
S
E
W
thumbnail


Reference system identifier
EPSG:3057
Number of dimensions
3
Dimension name
Row
Dimension size
6000
Resolution
100  m
Dimension name
Column
Dimension size
5000
Resolution
100  m
Dimension name
Vertical
Dimension size
1
Cell geometry
Area
OnLine resource
LMI_raster:U_EGMS_L3_2018_2022_1 ( OGC:WMS )

LMI_raster:U_EGMS_L3_2018_2022_1

OnLine resource
LMI_raster:E_EGMS_L3_2018_2022_1 ( OGC:WMS )

LMI_raster:E_EGMS_L3_2018_2022_1

OnLine resource
E_EGMS_L3_2018_2022_1.tiff ( FILE:RASTER )

Download link for the full resolution raster in GeoTIFF format.

OnLine resource
U_EGMS_L3_2018_2022_1.tiff ( FILE:RASTER )

Download link for the full resolution raster in GeoTIFF format.

Hierarchy level
Dataset
Statement

The Ortho product is based on the decomposition of the Calibrated product to provide two discrete geospatial layers containing purely vertical (the one described in this metadata) and purely east-west displacements resampled to a 100 m grid. In summary, the process involves the following tasks:

i*) identify all the cells with at least one measurement point per orbit,

ii*) average the time series per orbit,

iii*) interpolate ascending and descending time series to a common six-day sampling and

iv*) estimate the vertical and east-west components following equations weighted on the estimated accuracy of the input measurements.

v) mosaic of iceland from geotiff

vi) reproject to EPSG:3057 for icelandic users

*done by EEA and Copernicus

gmd:MD_Metadata

File identifier
72bcb25b-c7e6-4934-aad5-39ef509061c5 XML
Metadata language
en
Character set
UTF8
Date stamp
2024-04-11T15:51:06
Metadata standard name
ISO 19115:2003/19139
Metadata standard version
1.0
Point of contact
Náttúrufræðistofnun - ( )
 
 

Overviews

overview
Smámynd láréttar jarðskorpuhreyfingar/ East -West motion 2018-2022
overview
Smámynd lóðréttar jarðskorpuhreyfingar/Up -Down motion 2018-2022
overview
Mælikvarða

Spatial extent

N
S
E
W
thumbnail


Keywords


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Associated resources

Not available