Measurements of SO2 profiles in volcanic plumes from the NASA Tropospheric Emission Spectrometer (TES)

被引：24

作者：

Clerbaux, C. ^{[1
,2
]}

Coheur, P. -F. ^{[2
]}

Clarisse, L. ^{[2
]}

Hadji-Lazaro, J. ^{[1
]}

Hurtmans, D. ^{[2
]}

Turquety, S. ^{[1
]}

Bowman, K. ^{[3
]}

Worden, H.

Carn, S. A. ^{[4
]}

机构：

[1] Univ Paris 06, CNRS, UMR 7620, Serv Aeron,IPSL, F-75252 Paris 05, France

[2] Univ Libre Bruxelles, Serv Chim Quant & Photophys, B-1050 Brussels, Belgium

[3] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA

[4] Univ Maryland, Joint Ctr Earth Syst Technol, Baltimore, MD 21201 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 2008年 / 35卷 / 22期

关键词：

D O I：

10.1029/2008GL035566

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Satellite measurements are now recognized as a key element for the early detection and characterization of volcanic eruptions, in particular in the context of aircraft routing. A common tracer of volcanic plumes is sulfur dioxide (SO2), which so far has been measured by ultraviolet-visible (UV-vis) instruments and multispectral infrared (IR) sounders. Here we report the first SO2 vertical profile retrieved from high spectral resolution thermal infrared nadir radiance spectra and we provide information on both the quantity of gas emitted and its altitude. From the radiance spectra provided by the Tropospheric Emission Spectrometer (TES) aboard the NASA AURA satellite, and owing to the similar to 0.1 cm(-1) (apodized) spectral resolution, elevated levels of SO2 were measured following volcanic eruptions occurring in 2005 (Manam, Sierra Negra) and 2006 (Rabaul, Nyamuragira). Column values are found to be in good agreement with the data provided by Ozone Mapping Instrument (OMI), a UV-vis instrument also onboard the AURA satellite. Citation: Clerbaux, C., P.-F. Coheur, L. Clarisse, J. Hadji-Lazaro, D. Hurtmans, S. Turquety, K. Bowman, H. Worden, and S. A. Carn (2008), Measurements of SO2 profiles in volcanic plumes from the NASA Tropospheric Emission Spectrometer (TES), Geophys. Res. Lett., 35, L22807, doi:10.1029/2008GL035566.

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