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Imperviousness High Resolution Layer Data Series

The European Environment Agency, as lead authority under the Copernicus Land Monitoring Service, co-ordinate the development of Pan European datasets. One of the products produced by the EEA under this programme are the “High Resolution Datasets” which are a data series covering numerous different thematic land uses / land covers. Comparable data is produced across Europe using earth observation methods developed in partnership with private industry. The Environmental Protection Agency, as members of the European network EIONET, provides data quality assessments and disseminates the data for Ireland.



The High Resolution Imperviousness is a data series of products that capture the percentage and change of soil sealing. Built-up areas are characterized by the substitution of the original (semi-) natural land cover or water surface with an artificial and often impervious land cover. These artificial surfaces are usually maintained over long periods of time. A series of high resolution imperviousness datasets (for the reference years 2006, 2009, 2012 and 2015) identifying all artificially sealed areas was produced. This series of imperviousness layers constitutes the main status layers. They are per-pixel estimates of impermeable cover of soil (soil sealing) and are mapped as the degree of imperviousness (0-100%). Imperviousness change layers were also produced as a difference between the reference years (2006-2009, 2009-2012, 2012-2015 and additionally 2006-2012, the later aims to fully match the CORINE Land Cover production cycle) and are presented 1) as degree of imperviousness change (-100% -- +100%), in 20m pixel size, and 2) a classified (categorical) 20m change product.



There are additional 100m pixel resolution products available on the <a href=" https://land.copernicus.eu/pan-european/high-resolution-layers"> Copernicus Land Monitoring Service </a>website, these were excluded from the EPA GeoPortal as the national verification team made and assessment that the 20m provided better information. Technical deails of the imperviousness data series are available <a href=" https://land.copernicus.eu/user-corner/technical-library/hrl-imperviousness-technical-document-prod-2015"> here. </a>

Simple

Alternate title

Imperviousness HRL Data Series

Date (Publication)
2018-03-22T00:00:00
Citation identifier
LC.IE.EPA.COPERNIUS_HRL_IMPERVIOUSNESS
Purpose

The aim of the Imperviousness data series is to identify soil sealing and the changes in soil sealing across Europe between 2006 and 2015.

Status
Completed
Point of contact
Organisation name Individual name Electronic mail address Role

Environmental Protection Agency

gis@epa.ie

Distributor

European Environment Agency under the framework of Copernicus

copernicus@eea.europa.eu

Originator
Maintenance and update frequency
As needed

GemetInspireTheme

  • Land cover

GEMET - Concepts, version 3.1

  • land

  • land use

  • land cover

  • Density

Environmental Protection Agency

  • Copernicus

  • Copernicus Land Monitoring Service

  • CLMS

  • EEA

  • High Resolution Layer

  • IMD

  • Imperviousness

  • Urban

ISO 3166

  • IE

Use limitation

Data was produced with funding by the European Union. Copyright Copernicus Programme

Access to data is based on a principle of full, open and free access as established by the Copernicus data and information policy Regulation (EU) No 1159/2013 of 12 July 2013. This regulation establishes registration and licensing conditions for GMES/Copernicus users and can be found here. Free, full and open access to this data set is made on the conditions that:



1. When distributing or communicating Copernicus dedicated data and Copernicus service information to the public, users shall inform the public of the source of that data and information.

2. Users shall make sure not to convey the impression to the public that the user's activities are officially endorsed by the Union.

3. Where that data or information has been adapted or modified, the user shall clearly state this.

4. The data remain the sole property of the European Union. Any information and data produced in the framework of the action shall be the sole property of the European Union. Any communication and publication by the beneficiary shall acknowledge that the data were produced “with funding by the European Union”.



DISCLAIMER:

The Environmental Protection Agency has undertaken to distribute the data on behalf of EEA under Specific Contract No 3436/R0-Copernicus/EEA.56990 implementing Framework service contract No EEA/IDM/R0/16/009/Ireland. The Environmental Protection Agency accepts no responsibility or liability whatsoever with regard to the content and use of these data.

The European Environment Agency accepts no responsibility or liability whatsoever with regard to the information on this site and the information does not necessarily reflect the official opinion of the EEA or other European Communities bodies and institutions.

Use limitation

Data is for public use under Creative Commons CC-By 4.0

Access constraints
License
Use constraints
License
Other constraints

https://creativecommons.org/licenses/by/4.0/

Spatial representation type
Vector
Denominator
50000
Language
English
Character set
UTF8
Topic category
  • Environment
N
S
E
W
thumbnail




Begin date
2006-01-01T00:00:00
End date
2012-01-01T00:00:00

Vertical extent

Minimum value
0
Maximum value
1014

Vertical CS

No information provided.

Vertical datum

Reference system identifier
EPSG / http://www.opengis.net/def/crs/EPSG/0/2157

EPSG Geodetic Parameter Dataset 2009-11-25

Distribution format
Name Version

ESRI Shapefile

10.x

Distributor contact
Organisation name Individual name Electronic mail address Role

Environmental Protection Agency

GIS Team

gis@epa.ie

Publisher
OnLine resource
Protocol Linkage Name

text/html

https://gis.epa.ie/GetData/Download

Download data

text/html

https://land.copernicus.eu/

Copernicus Land Monitoring Service Website

text/html

https://land.copernicus.eu/pan-european/high-resolution-layers/imperviousness/status-maps/2015?tab=metadata

EEA Imperviousness Data & Metadata Link

text/html

https://land.copernicus.eu/user-corner/technical-library/hrl-imperviousness-technical-document-prod-2015

Imperviousness Data Series Product Specification

Hierarchy level
Dataset

Conformance result

Title

INSPIRE Data Specification on Land cover

Alternate title

INSPIRE Data Specifications v3.0

Date (Publication)
2013-12-10
Explanation

The INSPIRE Directive or INSPIRE lays down a general framework for a Spatial Data Infrastructure (SDI) for the purposes of European Community environmental policies and policies or activities which may have an impact on the environment.

Pass
No

Conformance result

Title

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

Alternate title

INSPIRE Interoperability Regulation

Date (Publication)
2010-12-08
Explanation

Level of conformance with the 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

Pass
No
Statement

The series of high resolution imperviousness datasets (for the 2006, 2009, 2012 and 2015 reference years) with all artificially sealed areas was produced using automatic derivation based on calibrated Normalized Difference Vegetation Index (NDVI).



During production of the Imperviousness data series the EEA quality assurance follows the ISO9000 standards for Quality Management and comprises of dedicated procedures of ongoing quality checks (QA breakpoints) during implementation of the production chain, in order to keep persistent control over the various stages of production, assure fitness-for-purpose of the end-products and that all quality requirements are fulfilled. Priority is given to targeting thematic accuracies to be achieved by each product, as well as to the issues of product consistency (spatial, thematic, temporal) and homogeneity. Quality Assessment: The quality assessment has been performed according to INSPIRE Data Specifications. The data quality elements considered are:

(i) Completeness,

(ii) Logical Consistency,

(iv) Thematic Accuracy,

(v) Temporal quality and

(vi) Usability.

Each of them (excl. the Thematic Accuracy hereafter) forms a section in the QA/QC Procedures.



The EPA quality assessment of the Imperviousness data for 2015 is that the overall quality, based on look and feel assessment, is good in urban areas but insufficient in the rural areas of Ireland. In rural areas there is significant settlement in villages and via ribbon development along the national road network, this data is not captured well in the imperviousness data. Statistical verification carried out by the national verification team and based on random point sample assessments highlights a significant level of commission and omission errors. The primary issues were experienced when transitioning to the more rural areas of Ireland but there were also issues identified with mineral extractions sites being classified as impervious areas. It was also noted that there were inconsistencies between different regions of Ireland with some regions having better accuracy than others.



The reports developed as part of the national assessment and verification process a have been submitted to the EEA with the aim of addressing the primary issues during the production process of future datasets.

Metadata

File identifier
bbcfb81c-1665-4f98-b5b4-5917912f1e1e XML
Metadata language
English
Character set
UTF8
Hierarchy level
Dataset
Date stamp
2019-02-14T12:22:52Z
Metadata standard name

ISDI Metadata Profile

Metadata standard version

1.2

Metadata author
Organisation name Individual name Electronic mail address Role

Environmental Protection Agency

Data Analyst

gis@edenireland.ie

Point of contact
 
 

Overviews

Spatial extent

thumbnail

Keywords

Environmental Protection Agency

CLMS Copernicus Copernicus Land Monitoring Service EEA High Resolution Layer IMD Imperviousness Urban
GEMET - Concepts, version 3.1

Density land land cover land use
GemetInspireTheme

Land cover


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