Fig. 8: Measurements of HDO/H2O isotopic ratio (δD) by ACE-FTS.
From: Global perturbation of stratospheric water and aerosol burden by Hunga eruption
a Time series of δD zonal-mean vertical profile for the 30° S–0° latitude range. b, c Latitude-altitude sections of zonal-mean δD averaged over January–June in 2020 and 2022.
