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Product details

Name	High Resolution Layer - Imperviousness
Acronym	IMD
Description	The high resolution imperviousness products 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, often impervious cover. These artificial surfaces are usually maintained over long periods of time. A series of high resolution imperviousness datasets (for the 2006, 2009, 2012, 2015 and 2018 reference years) with all artificially sealed areas was produced using automatic derivation based on calibrated Normalized Difference Vegetation Index (NDVI). This series of imperviousness layers is presented as degree of imperviousness (0-100%) at 20m spatial resolution (until 2015) and 10m (2018) respectively. Additionally, an aggegrated product at 100m spatial resolution is available for all reference years.
Note
Status	Operational
Group	PLC High Resolution Layers
Area	Europe
Component	Land Cover and Land Use Mapping
Service	Copernicus Land Monitoring Service
Entrusted Entities	European Environment Agency Joint Research Centre
Created on	Nov. 6, 2017, 1:53 p.m.
Last updated on	April 4, 2024, 4:41 p.m.

UID	Requirement	Level of definition	Relevant for	Criticality	Barriers	Note	Created on	Last updated on
219	Orthoimagery - Very High Resolution - Up-to-date - Homogenous	Reasonable	Calibration and validation	Desirable	Availability Costs Coverage Data policy Timeliness Update Frequency		Nov. 14, 2020, 9:18 p.m.	May 23, 2024, 8:41 a.m.
35	Administrative Boundaries	Firm	Calibration and validation	Essential	Accuracy	Reference data base for calibration (training samples and calibration of imperviousness degree)	Dec. 6, 2017, 9:40 a.m.	May 23, 2024, 8:28 a.m.
326	Transportation and railway network	Firm	Product generation	Essential	Accuracy Availability Coverage Update Frequency		Nov. 6, 2018, 4:06 p.m.	Nov. 5, 2021, 11:59 a.m.
146	Land Cover	Firm	Supporting exploitation	Essential	Accuracy Coverage Resolution Update Frequency	Automated derivation of classification training samples from additional reference data	Nov. 6, 2018, 12:33 p.m.	June 23, 2022, 12:17 p.m.
487	Land Use	Firm	Calibration and validation	Essential	Accuracy Availability Coverage Resolution Update Frequency	Reference data for production and validation	June 16, 2021, 12:35 p.m.	May 23, 2024, 8:58 a.m.