Arctic SDI catalogue
Elevation model 2 m
Elevation model 2 m is a model depicting the elevation of the ground surface in relation to sea level. Its grid size is 2 m x 2 m. The dataset is based on laser scanning data, the point density of which is at least 0.5 points per square metre. The product's coverage is based on nationwide laser scanning. In some parts of the outer archipelago or the eastern border, the elevation model is not available.
Elevation model 2 m is produced in two quality classes: the elevation accuracy in class I is on average 0.3 metres and the elevation accuracy in class II varies between 0.3 metres and one metre.
The product belongs to the open data of the National Land Survey of Finland.
Simple
- Alternate title
- Digital elevation model 2 m
- Alternate title
- Digital elevation model 2 m
- Date ( Revision )
- 2010-04-01
- Unique resource identifier
- http://paikkatiedot.fi/so/1000247
- Purpose
- The elevation model allows for example simulation of areas with a high risk of flooding or that of receiving, coverage and service areas. The model can also be used for mass calculation of excavated material and land-fill and for calculating inclinations, steepness or profiles. Application areas are found, for example in geol-ogy, geography and forestry.
- Maintenance and update frequency
- As needed
- Maintenance note
-
The product is updated as necessary. The elevation model is updated according to the laser scanning of the previous season if significant changes have been detected on the Earth's surface.
Map of the current status: https://tilannekartta.maanmittauslaitos.fi/km2
The product is available from the NLS MapSite's Download geospatial data -section according to the above-described updating rhythm.
- GEMET - INSPIRE themes, version 1.0 GEMET - INSPIRE themes, version 1.0 ( Theme )
-
- Elevation
- Keywords
-
- Arctic SDI_DEM
- Paikkatietohakemiston asiasanasto Paikkatietohakemiston asiasanasto ( Theme )
-
- Elevation
- avoindata.fi
- Alueellinen laajuus Alueellinen laajuus ( Theme )
- EU legislation EU legislation ( Theme )
- High-value dataset categories High-value dataset categories ( Theme )
- Access constraints
- Other restrictions
- Other constraints
- no limitations to public access
- Use constraints
- Other restrictions
- Other constraints
- Attribution 4.0 International (CC BY 4.0)
- Other constraints
- Mention the name of the Licensor (the National Land Survey of Finland), the name of the dataset(s) and the time when the National Land Survey has delivered the dataset(s) (e.g.: contains data from the National Land Survey of Finland Topographic Database 06/2014).
- Spatial representation type
- Grid
- Distance
- 2 m
- Metadata language
- fi
- Character set
- 8859 Part 10
- Character set
- 8859 Part 15
- Topic category
-
- Location
- Elevation
- Description
- Osa Suomea
))
- Reference system identifier
- EPSG / ETRS89 / TM35FIN(E,N) (EPSG:3067) / 8.6
- Reference system identifier
- EPSG / N2000 height (EPSG:3900) / 8.6
- Number of dimensions
- 2
- Dimension name
- Row
- Dimension size
- 3000
- Resolution
- 2 m
- Dimension name
- Column
- Dimension size
- 3000
- Resolution
- 2 m
- Transformation parameter availability
- No
- Distribution format
-
-
Ascii grid
(
1
)
-
GeoTiff
(
1
)
-
Ascii grid
(
1
)
Distributor
- OnLine resource
- MapSite Download gespatial data section ( WWW:LINK-1.0-http--link )
- OnLine resource
- Paikkatiedon tiedostopalvelu (OGC API Processes) (in Finnish) ( WWW:LINK-1.0-http--link )
- OnLine resource
-
Ortokuvien ja korkeusmallien kyselypalvelu (WCS) palvelukuvaus
(
WWW:LINK-1.0-http--link
)
Ortokuvien ja korkeusmallien kyselypalvelu (WCS)
- Hierarchy level
- Dataset
Conformance result
- Date ( Publication )
- 2010-12-08
- Explanation
- Aineisto on INSPIRE-tietotuotemäärittelyn mukainen
- Pass
- Yes
- Statement
-
Elevation model 2 m is derived from laser scanning data, with a minimum point density of 0.5 per square metres. The dataset is produced in two quality classes:
The elevation model in class I is automatically calculated from the laser scanning data collected in the spring, but controlling and improving the calculation is done by using aerial photographs. Further control of the data is manual work.
The elevation model in class II is automatically calculated from the laser scanning data collected in the summer, and no manual control is performed. This way the elevation model data is produced faster.
The elevation model in class II will later be replaced by data from class I.
The accuracy of elevation data in quality class I is on average 0.3 metres. The elevation data is expressed in metres. When it comes to elevation and position accuracy, the product may contain parts that have been updated with such data that is not as accurate as laser scanning data.
The accuracy of the elevation model in class II varies between 0.3 metres and one metre because of the elevation-increasing effect of vegetation that varies locally.
More information in the quality model for Elevation model 2 m (in Finnish): http://www.maanmittauslaitos.fi/sites/maanmittauslaitos.fi/files/attachments/2017/05/KMTK_korkeusmallit_laatukasikirja_2017-01-02.pdf
Index for the coverage of quality classes I and II (in Finnish): https://www.maanmittauslaitos.fi/maastotiedonyllapito
Data quality info
- Date ( Revision )
- 2022-01-01
- Other citation details
-
Elevation model 2 m depicts the height of the terrain above sea level. The height values are in accordance with the system N2000.
Elevation model 2 m is the most accurate elevation model of Finland which covers extensive areas. Approximately 40,000 square kilometres are added into the model every year.
- File identifier
- 053a0a20-abfa-4bf9-ac74-270e845654d1 XML
- Metadata language
- fi
- Character set
- 8859 Part 10
- Hierarchy level
- Dataset
- Hierarchy level name
- Aineisto
- Date stamp
- 2025-03-04T14:38:51
- Metadata standard name
- ISO 19115:2003/19139
- Metadata standard version
- 1.0
Overviews
Spatial extent
Provided by
