COVID‐19 Crisis Reduces Free Tropospheric Ozone Across the Northern Hemisphere

Steinbrecht, Wolfgang; Kubistin, Dagmar; Plaß-Dülmer, C.; Davies, J.; W. Tarasick, D.; von der Gathen, Peter; Deckelmann, Holger; Jepsen, Nis; Kivi, Rigel; Lyall, Norrie; Palm, Matthias; Notholt, Justus; Kois, B.; Oelsner, Peter; Allaart, Marc; Piters, Ankie; B. Gill, Michael; Van Malderen, Roeland; Delcloo, Andy; Sussmann, Ralf; Mahieu, Emmanuel; Servais, Christian; Romanens, Gonzague; Stübi, René; Ancellet, G.; Godin‐Beekmann, Sophie; Yamanouchi, Shoma; Strong, Kimberly; J. Johnson, B.; Cullis, Patrick; Petropavlovskikh, Irina; W. Hannigan, James; Hernandez, Jose‐Luis; Diaz Rodriguez, Ana; Nakano, Tatsumi; Chouza, Fernando; Leblanc, Thierry; Torres, Carlos; García, Omaira; N. Röhling, Amelie; Schneider, Matthias; Blumenstock, Thomas; B. Tully, Matthew; Paton‐Walsh, Clare; Jones, Nicholas; Querel, Richard; E. Strahan, S.; M. Stauffer, Ryan; M. Thompson, Anne; Inness, Antje; Engelen, Richard; Chang, Kai‐Lan; R. Cooper, Owen

doi:10.1029/2020gl091987

Public

COVID‐19 Crisis Reduces Free Tropospheric Ozone Across the Northern Hemisphere

Published in Geophysical Research Letters • Feb 10, 2021

Authors:

Wolfgang Steinbrecht

Dagmar Kubistin

C. Plaß-Dülmer

Abstract

Throughout spring and summer 2020, ozone stations in the northern extratropics recorded unusually low ozone in the free troposphere. From April to August, and from 1 to 8 kilometers altitude, ozone was on average 7% (≈4 nmol/mol) below the 2000-2020 climatological mean. Such low ozone, over several ...

Subject

Ozone

Atmospheric sciences

Stratosphere

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