Articles | Volume 9, issue 12
Atmos. Meas. Tech., 9, 5677–5698, 2016
https://doi.org/10.5194/amt-9-5677-2016
Atmos. Meas. Tech., 9, 5677–5698, 2016
https://doi.org/10.5194/amt-9-5677-2016

Research article 29 Nov 2016

Research article | 29 Nov 2016

Retrieval of absolute SO2 column amounts from scattered-light spectra: implications for the evaluation of data from automated DOAS networks

Peter Lübcke et al.

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Cited articles

Bigge, K.: Radiative Transfer in Volcanic Plumes, Master's thesis, Heidelberg University, 2015.
Burrows, J. P., Richter, A., Dehn, A., Deters, B., Himmelmann, S., Voigt, S., and Orphal, J.: Atmospheric remote sensing reference data from GOME2. Temperature dependent absorption cross sections of o3 in the 231-794 nm range, J. Quant. Spectrosc. Ra., 61, 509–517, https://doi.org/10.1016/S0022-4073(98)00037-5, 1999.
Burton, M., Caltabiano, T., Murè, F., Salerno, G., and Randazzo, D.: SO2 flux from Stromboli during the 2007 eruption: Results from the FLAME network and traverse measurements, J. Volcanol. Geoth. Res., 182, 214–220, https://doi.org/10.1016/j.jvolgeores.2008.11.025, 2009.
Burton, M. R. and Sawyer, G. M.: iFit: An intensity-based retrieval for SO2 and BrO from scattered sunlight ultraviolet volcanic plume absorption spectra, Atmos. Meas. Tech. Discuss., https://doi.org/10.5194/amt-2015-380, in review, 2016.
Businger, S., Huff, R., Pattantyus, A., Horton, K., Sutton, A. J., Elias, T., and Cherubini, T.: Observing and Forecasting Vog Dispersion from Kilauea Volcano, Hawaii, B. Am. Meteorol. Soc., 96, 1667–1686, https://doi.org/10.1175/BAMS-D-14-00150.1, 2015.
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Short summary
We evaluated spectra from a scanning spectrometer network for the monitoring of volcanic gas emissions using a modelled background spectrum. Statistical methods were applied in order to improve the quality of the spectroscopic evaluation. We used this technique to assess the robustness of standard retrievals at two volcanos: Nevado del Ruiz (Colombia) and Tungurahua (Ecuador).