Cite this dataset as
Bealey, W.J., Martin Hernandez, C., Smith, R.I., Stedman, J.R. (2018). Deposition and concentration values for protected sites in the UK (2014-2016). NERC Environmental Information Data Centre. (Dataset). https://doi.org/10.5285/735dd995-333c-4b02-8fb1-287b7b2cefdf
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This dataset is made available under the terms of the Open Government Licence
Deposition and concentration values for protected sites in the UK (2014-2016)
(i) Special Areas of Conservation (SAC)
(ii) Special Protection Areas (SPA)
(iii) Sites of Special Scientific Interest (SSSI).
The data consist of values of nitrogen and acid deposition, and concentrations of ammonia (NH3) based on the Concentration Based Estimated Deposition (CBED), and concentrations of NOx and SO2 using the Pollution Climate Mapping (PCM) model. Nitrogen and acid deposition data is also given for specific habitat types including:
(i) moorland/short vegetation everywhere,
(ii) forest everywhere, and
(iii) the grid square average over multiple land cover types (i.e. arable, grassland, forest, moorland, urban)
These habitat-specific data are recommended for use with critical loads and levels for the calculation of critical load/level exceedances using the relevant habitat type.
Format
Comma-separated values (CSV)
Spatial information
- Study area
-
- Spatial representation type
- Tabular (text)
- Spatial reference system
- OSGB 1936 / British National Grid
Temporal information
- Temporal extent
-
2014-01-01 to 2016-12-31
Provenance & quality
The data provided is based on pollutant deposition gridded maps for nitrogen and acid deposition and concentration maps of ammonia, nitrogen oxides and sulphur, which are overlayed to a GIS shape file of site boundaries in the UK (e.g. SAC, SPA, SSSI). These gridded maps were then clipped to provide the pollutant values for each grid square including the area of the clipped grid. The resulting data was then queried to generate site statistics in the form of a minimum, maximum and area weighted average values for each of the pollutants.
For nitrogen and acid deposition values and ammonia concentrations, three year average pollutant maps were used at a resolution of 5 x 5 km from the CBED model for the years 2014-2016. For nitrogen dioxide and sulphur dioxide concentrations the 1 x 1 km PCM model was used based on the 3 year average (2014-2016). Deposition values are generated for specific habitat types (forest and semi-natural) to be used in critical load exceedance calculations.
This dataset is an update to the 2013-2015 dataset with the addition of concentration and deposition data for the year 2016, and removal of data for the year 2013, hence a new 3-year average 2014 to 2016. The full methodology is available in the contextual metadata which can be found attached to this record.
The work of APIS is jointly funded between the Centre for Ecology & Hydrology and the UK pollution and conservation agencies including Natural Resources Wales (NRW), the Environment Agency, Northern Ireland Environment Agency, Natural England, the Joint Nature Conservation Committee (JNCC), Scotland and Northern Ireland Forum for Environmental Research (SNIFFER), the Scottish Environment Protection Agency (SEPA), and Scottish Natural Heritage (SNH).
Related
This dataset is included in the following collections
Supplemental information
Correspondence/contact details
Penicuik
Midlothian
EH26 0QB
UNITED KINGDOM
Authors
Other contacts
- Custodian
-
NERC EDS Environmental Information Data Centreinfo@eidc.ac.uk
- Publisher
-
NERC Environmental Information Data Centreinfo@eidc.ac.uk
Additional metadata
More information about these numbers
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By accessing or using this dataset, you agree to the terms of the relevant licence agreement(s). You will ensure that this dataset is cited in any publication that describes research in which the data have been used.
This dataset is made available under the terms of the Open Government Licence
CITE AS: Bealey, W.J.; Martin Hernandez, C.; Smith, R.I.; Stedman, J.R. (2018). Deposition and concentration values for protected sites in the UK (2014-2016). NERC Environmental Information Data Centre. https://doi.org/10.5285/735dd995-333c-4b02-8fb1-287b7b2cefdf
Copyright © UK Centre for Ecology & Hydrology, Natural Resources Wales, Environment Agency, the Northern Ireland Environment Agency, Natural England, the Joint Nature Conservation Committee (JNCC), Scotland and Northern Ireland Forum for Environmental Research (SNIFFER), the Scottish Environment Protection Agency (SEPA), Scottish Natural Heritage (SNH)