Sentinel-4

Sentinel-4 mission introduction

The main objective of the Sentinel-4 mission is to monitor key air quality trace gases and aerosols over Europe in support of the Copernicus Atmosphere Monitoring Service (CAMS) at high spatial resolution and with a fast revisit time.

The mission is part of the European Earth Observation Programme "Copernicus" which is run by the European Union together with the European Space Agency (ESA) in ccoperation with the European Environment Agency (EEA).

The Copernicus Space Component comprises a series of space-borne dedicated missions called 'Sentinels' and is developed and procured by the European Space Agency. The missions Sentinel-4, -5 and -5 precursor (S4, S5, S5P, respectively) are conceived as complementary elements of a constellation serving the specific needs of the CAMS. The geostationary S4 mission will provide hourly data on tropospheric constituents over Europe mainly for air quality applications. The target species of the SENTINEL -4 mission include the key air quality parameters NO2 (nitrogen dioxide), O3 (ozon), SO(sulfur dioxide), HCHO (formaldehyde), CHOCHO (glyoxal), and aerosols. Complementarily, the Low Earth Orbiting (LEO) missions S5 and S5p will deliver the S4 target species and additionally CO (carbon monoxide), CH4 (methane), and stratospheric O3 (ozone)with global daily coverage for climate, air quality, and ozone/surface UV applications.

The Space Segment of the Sentinel-4 mission consists of an Ultraviolet-Visible-Near-Infrared (UVN) light imaging spectrometer instrument embarked on the Meteosat Third Generation Sounder (MTG-S) satellite.

Airbus Defense and Space is the prime contractor responsible for the development of Sentinel-4.

This Handbook provides a high-level description of the Sentinel-4 mission in all its main aspects and contains the following main sections:

  • Data Products: which identifies all data products available from the Sentinel-4 instrument.

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Sentinel-4 News

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Dedicated space for Sentinel Success Stories

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Since 2016, the Sentinel Success Stories series has published articles on Sentinel Online, featuring how data from the Copernicus Sentinel missions are used by different organisations for a wide range of applications and services, such as atmospheric monitoring, ocean quality, disaster monitoring, sea ice studies, forestry, agriculture, water quality and more.

Since 2016, the Sentinel Success Stories series has published articles on Sentinel Online, featuring how data from the Copernicus Sentinel missions are used by different organisations for a wide range of applications and services, such as atmospheric monitoring, ocean quality, disaster monitoring, sea ice studies, forestry, agriculture, water quality and more.

Today, an update to the Sentinel Online website offers a way to see the Success Stories in a dedicated area, making it easy to find and view them.

The Success Stories are published regularly, featuring input from data users and the teams managing the satellites in the Sentinel-1, -2, -3 and -5P missions. The articles and occasional videos provide in-depth information on how Sentinel data are used to support studies, research and application development. Several interviews with experts also provide direct insight from data users on how they exploit data in their work.

Begin your discovery of the Success Stories today.

An open invitation is offered to any interested users who may wish to share stories of how Sentinel data are benefiting their work or society, which may be considered for editing and publication as a Success Story.