Claus Zehner

Impact of Coronavirus Outbreak on NO₂ Pollution Assessed Using TROPOMI and OMI Observations

Maïté Bauwens, Steven Compernolle, T. Stavrakou et al. · Geophysical Research Letters · 2020 · 782 citations · Full text

Ground-based validation of the Copernicus Sentinel-5P TROPOMI NO ₂ measurements with the NDACC ZSL-DOAS, MAX-DOAS and Pandonia global networks

Tijl Verhoelst, Steven Compernolle, Gaïa Pinardi et al. · Atmospheric measurement techniques · 2021 · 408 citations · Full text

Current systematic carbon-cycle observations and the need for implementing a policy-relevant carbon observing system

Philippe Ciais, A. J. Dolman, Antonio Bombelli et al. · Biogeosciences · 2014 · 304 citations · Full text

Integrated Carbon Observation, Engineering, Carbon Accounting +18

The Greenhouse Gas Climate Change Initiative (GHG-CCI): Comparison and quality assessment of near-surface-sensitive satellite-derived CO2 and CH4 global data sets

Michael Buchwitz, Maximilian Reuter, Oliver Schneising et al. · Remote Sensing of Environment · 2013 · 194 citations · Full text

Carbon Sequestration, Engineering, Greenhouse Effect +7

TROPOMI/S5P total ozone column data: global ground-based validation and consistency with other satellite missions

Katerina Garane, Maria-Elissavet Koukouli, Tijl Verhoelst et al. · Atmospheric measurement techniques · 2019 · 178 citations · Full text

Environmental Monitoring, Global Ground-based Validation, Engineering +13