# Commission Implementing Decision (EU) 2018/620 of 20 April 2018 on the technical specifications for the Copernicus service component pursuant to Regulation (EU) No 377/2014 of the European Parliament and of the Council (Text with EEA relevance), Division 3: SERVICE ARCHITECTURE

Extent: E+W+S+N.I.

The design of the service architecture shall ensure consistency with the overall vision and development strategy of Copernicus.
There shall be four main service elements:
(a) acquisition and pre-processing of input data, primarily observations (from both satellite and in-situ instruments) and ancillary data that are needed to estimate emissions of pollutants and to assess concentrations of pollutants in the atmosphere;
(b) global processing: shall be operated in three modes to deliver the products required by the users:
(1) daily production for near-real-time analyses and forecast;
(2) daily production for delayed-mode analyses and forecast;
(3) re-analyses production stream providing multi-annual consistent datasets with a frozen model/assimilation system;
(c) regional processing: shall be covered with a higher spatial resolution and shall support in particular further downstream modelling activities for sub-regions at even finer scale as well as air quality and pollen monitoring and forecasting national activities;
(d) supplementary services: shall be relative to applications processing, services and products that are built on top of or integrated into the main global and Union regional processing outputs.
The four cross-cutting functions shall deal with the following:
(a) quality control and assurance;
(b) archiving;
(c) product dissemination;
(d) user interaction, training and outreach.

---
Source: https://www.legislation.gov.uk/eudn/2018/620/annex/II/division/3 (the official version)
Page: https://openlegislation.uk/eu-decision-2018-620/annex-II/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.