Cite this dataset as
Rowland, C.S., Marston, C.G., Morton, R.D., O'Neil, A.W. (2020). Land Cover Map 1990 (1km percentage aggregate class, N. Ireland). NERC Environmental Information Data Centre. (Dataset). https://doi.org/10.5285/1278d7b5-da47-46b5-b1a6-049e726425a7
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Land Cover Map 1990 (1km percentage aggregate class, N. Ireland)
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.
Format
TIFF
Spatial information
- Study area
-
- Spatial representation type
- Raster
- Spatial reference system
- TM75 Irish Grid
Temporal information
- Temporal extent
-
1990-01-01 to 1990-12-31
Provenance & quality
1. Using gdal_calc to aggregate the 23 target classes into the 10 aggregate classes saving them as 10 individual images (one for each class) where the presence of the class in question is recorded as 100 and absence is assigned 0.
2. Gdal_warp is then applied to each of the 10 presence/absence images to resample to 1km, using the 'average' option under resample. This produces images of percentage cover for each class.
3. Gdal_merge is then used to create a single file with 10 bands, where each band provides the percentage cover for the class i.e. band 1 provides percentage cover for class 1 etc.
Related
This dataset is included in the following collections
Correspondence/contact details
Lancaster
Lancashire
LA1 4AP
UNITED KINGDOM
Authors
Other contacts
- Rights holder
-
UK Centre for Ecology & Hydrology
- Custodian
-
NERC EDS Environmental Information Data Centreinfo@eidc.ac.uk
- Publisher
-
NERC Environmental Information Data Centreinfo@eidc.ac.uk
Additional metadata
- Topic categories
- environment
imageryBaseMapsEarthCover - INSPIRE theme
- Land Cover
- Keywords
- Land cover , UK-SCAPE
- Funding
- Natural Environment Research Council Award: NE/R016429/1
- Last updated
- 04 July 2024 11:21
More information about these numbers
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Licence terms and conditions apply
CITE AS: Rowland, C.S.; Marston, C.G.; Morton, R.D.; O'Neil, A.W. (2020). Land Cover Map 1990 (1km percentage aggregate class, N. Ireland). NERC Environmental Information Data Centre. https://doi.org/10.5285/1278d7b5-da47-46b5-b1a6-049e726425a7