BGS Hosted Metadata
Land Cover Map 1990 (vector, N. Ireland)
This dataset consists of the vector version of the Land Cover Map 1990 (LCM1990) for Northern Ireland. The vector data set is the core LCM data set from which the full range of other LCM1990 products is derived. It provides a number of attributes including land cover at the target class level (given as an integer value and also as text), the number of pixels within the polygon classified as each land cover type and a probability value provided by the classification algorithm (for full details see the LCM1990 Dataset Documentation). The 21 target classes are based on the Joint Nature Conservation Committee (JNCC) Broad Habitats, which encompass the entire range of UK habitats. LCM1990 is a land cover map of the UK which was produced at the UK Centre for Ecology & Hydrology by classifying satellite images (mainly from 1989 and 1990) into 21 Broad Habitat-based classes. It is the first in a series of land cover maps for the UK, which also includes maps for 2000, 2007, 2015, 2017, 2018 and 2019. LCM1990 consists of a range of raster and vector products and users should familiarise themselves with the full range (see related records, the UK CEH web site and the LCM1990 Dataset documentation) to select the product most suited to their needs. This work was supported by the Natural Environment Research Council award number NE/R016429/1 as part of the UK-SCAPE programme delivering National Capability. Full details about this dataset can be found at https://doi.org/10.5285/d6a3588b-23a8-4715-88e9-e21ab0060727
Simple
- Date (Publication)
- 2020-06-17
- Citation identifier
- https://catalogue.ceh.ac.uk/id/d6a3588b-23a8-4715-88e9-e21ab0060727
- Citation identifier
- doi: / 10.5285/d6a3588b-23a8-4715-88e9-e21ab0060727
- Other citation details
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Rowland, C.S., Marston, C.G., Morton, R.D., O'Neil, A.W. (2020). Land Cover Map 1990 (vector, N. Ireland). NERC Environmental Information Data Centre 10.5285/d6a3588b-23a8-4715-88e9-e21ab0060727
- Point of contact
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Organisation name Individual name Electronic mail address Role UK Centre for Ecology & Hydrology Rowland, C.S. Author UK Centre for Ecology & Hydrology Marston, C.G. Author UK Centre for Ecology & Hydrology Morton, R.D. Author UK Centre for Ecology & Hydrology O'Neil, A.W. Author UK Centre for Ecology & Hydrology Rowland, C.
Point of contact UK Centre for Ecology & Hydrology Owner NERC Environmental Information Data Centre Publisher NERC EDS Environmental Information Data Centre Custodian
- Maintenance and update frequency
- Not planned
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GEMET - INSPIRE themes, version 1.0
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Land Cover
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- Access constraints
- Other restrictions
- Other constraints
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Controlled
- Use constraints
- Other restrictions
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Bespoke licensing conditions apply to these data. If you choose to download the data, the UKCEH Data Licensing team will contact you to negotiate a licence
- Use constraints
- Other restrictions
- Other constraints
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If you reuse this data, you should cite: Rowland, C.S., Marston, C.G., Morton, R.D., O'Neil, A.W. (2020). Land Cover Map 1990 (vector, N. Ireland). NERC Environmental Information Data Centre https://doi.org/10.5285/d6a3588b-23a8-4715-88e9-e21ab0060727
- Spatial representation type
- Vector
- Distance
- 20 urn:ogc:def:uom:EPSG::9001
- Language
- English
- Character set
- UTF8
- Topic category
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- Biota
- Imagery base maps earth cover
- Begin date
- 1988-01-01
- End date
- 1990-12-31
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- Unique resource identifier
- TM75 Irish Grid
- Distribution format
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Name Version SpatiaLite
3
- Distributor contact
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Organisation name Individual name Electronic mail address Role NERC EDS Environmental Information Data Centre
Distributor
- OnLine resource
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Protocol Linkage Name https://order-eidc.ceh.ac.uk/resources/94T57WY7/order Download the data
- OnLine resource
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Protocol Linkage Name https://data-package.ceh.ac.uk/sd/d6a3588b-23a8-4715-88e9-e21ab0060727.zip Supporting information
- Hierarchy level
- Dataset
- Other
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dataset
Conformance result
- Title
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Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Date (Publication)
- 2010-12-08
- Statement
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For LCM1990, per-pixel classifications were conducted, using a random forest classification algorithm to classify the different land cover types. The resultant classifications were then mosaicked together, with the best classifications taking priority. This produced a per-pixel classification of the UK, which was then imported into the spatial framework, recording a number of attributes, including the majority class per polygon which is the Land Cover class for each polygon. The 25m raster classification product is the majority class per polygon i.e. the dominant class for each polygon. LCM1990 uses a spatial framework that is similar to the LCM2007 framework. For both LCM2007, LCM2015 and LCM1990 the framework is based on generalised OS Northern Ireland data. The generalisation (or simplification) process was used to remove very small objects, which provided unnecessary detail. In LCM2007 larger polygons were split using image segmentation; however this was not done for LCM2015 or LCM1990.
Metadata
- File identifier
- d6a3588b-23a8-4715-88e9-e21ab0060727 XML
- Metadata language
- English
- Character set
- 8859 Part 1
- Hierarchy level
- Dataset
- Hierarchy level name
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dataset
- Date stamp
- 2025-03-21T13:21:35
- Metadata standard name
- UK GEMINI
- Metadata standard version
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2.3
- Metadata author
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Organisation name Individual name Electronic mail address Role NERC EDS Environmental Information Data Centre Point of contact
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