Journal cover Journal topic
Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
Journal topic

Journal metrics

IF value: 5.414
IF5.414
IF 5-year value: 5.958
IF 5-year
5.958
CiteScore value: 9.7
CiteScore
9.7
SNIP value: 1.517
SNIP1.517
IPP value: 5.61
IPP5.61
SJR value: 2.601
SJR2.601
Scimago H <br class='widget-line-break'>index value: 191
Scimago H
index
191
h5-index value: 89
h5-index89
Volume 14, issue 16
Atmos. Chem. Phys., 14, 8309–8322, 2014
https://doi.org/10.5194/acp-14-8309-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Atmos. Chem. Phys., 14, 8309–8322, 2014
https://doi.org/10.5194/acp-14-8309-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 19 Aug 2014

Research article | 19 Aug 2014

Estimating the volcanic emission rate and atmospheric lifetime of SO2 from space: a case study for Kīlauea volcano, Hawai`i

S. Beirle1, C. Hörmann1,2, M. Penning de Vries1, S. Dörner1, C. Kern3, and T. Wagner1 S. Beirle et al.
  • 1Max-Planck-Institut für Chemie, Mainz, Germany
  • 2Institut für Umweltphysik, Universität Heidelberg, Heidelberg, Germany
  • 3USGS Cascades Volcano Observatory, Vancouver, Washington, USA

Abstract. We present an analysis of SO2 column densities derived from GOME-2 satellite measurements for the Kīlauea volcano (Hawai`i) for 2007–2012. During a period of enhanced degassing activity in March–November 2008, monthly mean SO2 emission rates and effective SO2 lifetimes are determined simultaneously from the observed downwind plume evolution and meteorological wind fields, without further model input. Kīlauea is particularly suited for quantitative investigations from satellite observations owing to the absence of interfering sources, the clearly defined downwind plumes caused by steady trade winds, and generally low cloud fractions. For March–November 2008, the effective SO2 lifetime is 1–2 days, and Kīlauea SO2 emission rates are 9–21 kt day−1, which is about 3 times higher than initially reported from ground-based monitoring systems.

Publications Copernicus
Download
Citation
Altmetrics
Final-revised paper
Preprint