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German Aerospace Centre (DLR, Germany)

Karlsruhe Institute of Technology (KIT, Germany)

Laboratoire Interdisciplinaire de Physique (LIPhy, UMR 5588)

University of Reims Champagne-Ardenne (GSMA, UMR7331, France)

Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA, UMR7583, France)

SERCO S.p.A. (SERCO, Italy)

 

 

The TROPOspheric Monitoring Instrument (TROPOMI) is a spaceborne nadir viewing spectrometer with bands in the ultraviolet, the visible, the near infrared and the shortwave infrared. TROPOMI is the payload for the ESA/GMES Sentinel 5 Precursor mission, planned for launch in 2015 with 7 years design lifetime. The objective of the mission is to provide high-quality and timely information on the global atmospheric composition for climate and air quality applications. TROPOMI will make daily global observations of key atmospheric constituents, including ozone, nitrogen dioxide, sulfur dioxide, carbon monoxide, methane, formaldehyde and aerosol properties. The Sentinel-5 Precursor mission will extent the current data records from OMI (Ozone Monitoring Instrument) on NASA EOS Aura and SCIAMACHY (SCanning Imaging Absorption spectroMeter for Atmospheric CartograpHY) on ESA Envisat and is the link between the current scientific missions and the operational Sentinel-4/-5 missions.

 

The goal of this study can be divided into three distinct parts:

 

1. Improve the spectroscopic database of CH4, H2O, and CO in the 2.3 µm region to meet the scientific requirements for TROPOMI for the Sentinel 5 Precursor mission.

2. Resolve the discrepancy in the UV/10µm spectroscopy of O3 and provide improved spectroscopic data

 

The project will provide spectroscopic data with sufficient accuracy and defined uncertainties. Further validation will be achieved by atmospheric trace gas retrieval using the new spectroscopic data and investigating residuals and the agreement of the level 2 product with other sources. As requested in case of the 2.3 µm species TCCON data will be used and in case of O3 IASI and GOME-2 data.