Four publications in Atmospheric Measurement Techniques


The journal of Atmospheric Measurement Techniques (AMT) recently published 4 articles on the research results of VSL together with other partners. AMT is an open access, scientific journal publishing recent advances in remote sensing and measurement techniques for the Earth's atmosphere.

In the first article, gas purifiers were tested for their VOC removal efficiency following a standardized procedure. A large range of VOCs were investigated, including the most abundant species typically measured at air monitoring stations. This work was part of the KEY-VOCs project which was coordinated by VSL.
Preparation and analysis of zero gases for the measurement of trace VOCs in air monitoring (click the link to get full access to the article)

In two articles the characterization of the recently launched TROPOMI satellite instrument is discussed. The TROPOMI satellite is currently monitoring the earth’s atmosphere with unprecedented spatial resolution. 
A tunable infrared light source built by VSL has been applied to characterize the so-called short wave infrared channel of the instrument which is used to monitor carbon monoxide and methane in the atmosphere.
Characterization and correction of stray light in TROPOMI-SWIR
Determination of the TROPOMI-SWIR instrument spectral response function

The 4th work was a collaboration among different NMIs, research centers and universities, that has taken place within the EMRP project ATMOZ. This project aimed to significantly enhance the reliability total ozone column measured at the Earth surface with Dobson instruments, Brewer-Spectroradiometers and Array-Spectroradiometers. Brewer instruments are at the basis of one of the ground-based worldwide networks for total ozone measurements and in this work thorough investigations have been performed to assess the instrumental temperature corrections on Brewer spectrophotometers. More information on the article can be found at the following link: Sensitivity study of the instrumental temperature corrections on Brewer total ozone column measurements.