Emissions of Ammonia Declined during the first COVID-19 lockdowns over Europe
Nikolaos Evangeliou, Norwegian Institute for Air Research, Atmospheric and Climate Research, Kjeller, Norway, Ondřej Tichý, The Czech Academy of Sciences, Institute of Information Theory and Automation Czech Republic, Prague, Czech Republic, Sabine Eckhardt, Norwegian Institute for Air Research, Kjeller, Norway, Yves Balkanski, LSCE, CEA CNRS UVSQ, 91191, Gif sur Yvette, France, Gif-Sur-Yvette Cedex, France and Didier Hauglustaine, Laboratoire des Sciences du Climat et de l’Environnement, CEA-CNRS-UVSQ, UMR8212, Gif-Sur-Yvette, France
