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European satellite which scrutinizes pollution new: For example. For example,
European satellite which scrutinizes pollution:
The MTG -S1 geostationary meteorological satellite left the earth with a new generation atmospheric. Consequently, observation instrument on board: Sentinel -4. In addition, Designed by Airbus Defense. Similarly. Furthermore, Space on behalf of ESA, this UV – Vis – NIR spectrometer marks a major technical advance in continuous air quality monitoring in Europe.
A timely measure at the continental scale for 36. Furthermore. Nevertheless, 000 km – European satellite which scrutinizes pollution new
Unlike satellites in low orbit, Sentinel -4 will have operated from a geostationary orbit to 36,000 kilometers above the equator. Moreover, This fixed position will allow him to Provide atmospheric data every hour On a large field including Europe. In addition, North Africa.
The objective is clear: continuously detect the distribution of gaseous pollutants (no₂. Moreover, O₃, So₂, Hcho) and aerosols in the upper atmosphere, with european satellite which scrutinizes pollution new a Unpublished time resolution on this type of orbit.
An optical scanning instrument european satellite which scrutinizes pollution designed for atmospheric chemical analysis – European satellite which scrutinizes pollution new
Sentinel-4 is based on a. multi-channel spectrometer operating in theUltraviolet. the visible and the close infrared (305–500 Nm and 750–775 nm). It will analyze the solar light diffused. reflected in the atmosphere to extract the spectral signature of the trace compounds.
Among the main targets:
- Nitrogen dioxide (no₂) – Pollution indicator linked to transport and industry.
- Ozone Tropospheric (O₃) – Tracer of secondary photochemical reactions.
- Formaldehyde (hcho) – Intermediate product of the oxidation of volatile organic compounds.
- Sulfur (So₂) – issued by combustion facilities or volcanoes.
The analysis of spectral variations will allow a Hourly cartography of atmospheric concentrations on a regional scale.
Observation synergy between meteorology. atmosphere chemistry – European satellite which scrutinizes pollution new
The particularity of Sentinel -4 is its direct integration into the MTG – S series (Meteosat european satellite which scrutinizes pollution new Third Generation Stern). usually dedicated to weather forecast. This unprecedented coupling will allow a joint reading of weather european satellite which scrutinizes pollution and chemical parameters.
This synergy will enrich forecast models by injecting real -time chemical data. thus improving the modeling of Acute pollution episodesof the cross -border transport. even Interactions between atmospheric circulation and chemical composition.
A proven technical heritage: from Sciamachy to european satellite which scrutinizes pollution Sentinel – 4
The development of Sentinel -4 is based on the experience acquired with the SCIAMACHY european satellite which scrutinizes pollution new (environments) and tropomi (Sentinel -5P) instruments, both also developed by Airbus. But this time, the ambition is double:
- Reduce data latency a few tens of minutes.
- Maintain a continuous observation on the same areawhat a Heliosynchronous orbit satellite does not allow.
The targeted instrumental performance aligns with the requirements of Copernicus Atmosphere Monitoring Service (CAMS)one of the pillars of. the Copernicus program.
Operations and dissemination of data provided by EUMETSAT
Sentinel -4 data will be acquired, processed and distributed by EUMETSAT. They will be made available free of charge through the Copernicus infrastructure.
This direct provision targets a diversified community: modeling, climatology researchers, air quality monitoring agencies, and public decision -makers.
The generated data volume should reach Several terabbytes per weekwith standard products for fast integration in models.
A first step european satellite which scrutinizes pollution before the launch of Sentinel -4B in the 2030s
The launch. of european satellite which scrutinizes pollution new the first sentinel -4. is a first brick of a dual system: The second instrument is currently in integration For a launch planned. aboard the MTG – S2 satellite in the 2030s.
This double configuration will guarantee continuity of observation until the end of the 2030s. essential to follow the long -term evolution of air pollution.
Sentinel – 4: Towards a new era of geostationary observation
By offering High resolution time measures Atmospheric composition from. a geostationary orbit. Sentinel -4 introduces a break in environmental surveillance.
This is a paradigm shift: moving from a discontinuous observation to a Vigilance continues in almost real timein the. service of public health. research, and climatic policies.
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