 |
| Titel |
Estimating the volcanic emission rate and atmospheric lifetime of SO2 from space: a case study for Kīlauea volcano, Hawai`i |
| VerfasserIn |
S. Beirle, C. Hörmann, M. Penning de Vries, S. Dörner, C. Kern, T. Wagner |
| Medientyp |
Artikel
|
| Sprache |
Englisch
|
| ISSN |
1680-7316
|
| Digitales Dokument |
URL |
| Erschienen |
In: Atmospheric Chemistry and Physics ; 14, no. 16 ; Nr. 14, no. 16 (2014-08-19), S.8309-8322 |
| Datensatznummer |
250118957
|
| Publikation (Nr.) |
 copernicus.org/acp-14-8309-2014.pdf |
|
|
|
|
|
| Zusammenfassung |
| 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. |
| |
|
| Teil von |
|
|
|
|
|
|
|
|