Articles | Volume 17, issue 14
Atmos. Chem. Phys., 17, 9205–9222, 2017
Atmos. Chem. Phys., 17, 9205–9222, 2017

Research article 31 Jul 2017

Research article | 31 Jul 2017

Uncertainty assessment and applicability of an inversion method for volcanic ash forecasting

Birthe Marie Steensen et al.

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Cited articles

Arason, P., Petersen, G. N., and Bjornsson, H.: Plume-top altitude time-series during 2010 volcanic eruption of Eyjafjallajökull, Icelandic Meteorological Office, Reykjavik,, 2011.
Boichu, M., Menut, L., Khvorostyanov, D., Clarisse, L., Clerbaux, C., Turquety, S., and Coheur, P.-F.: Inverting for volcanic SO2 flux at high temporal resolution using spaceborne plume imagery and chemistry-transport modelling: the 2010 Eyjafjallajökull eruption case study, Atmos. Chem. Phys., 13, 8569–8584,, 2013.
Casadevall, T.: The 1989–1990 eruption of Redoubt Volcano, Alaska: Impacts on aircraft operations, J. Volcanol. Geoth. Res., 62, 301–316,, 1994.
Clarisse, L., Prata, F., Lacour, J. L., Hurtmans, D., Clerbaux, C., and Coheur, P. F.: A correlation method for volcanic ash detection using hyperspectral infrared measurements, Geophys. Res. Lett., 37,, 2010.
Corradini, S., Spinette, C., Carboni, E., Tirelli, C., Buongiorno, M. F., Pugnaghi, S., and Gangale, G.: Mt. Etna tropospheric ash retrieval and sensitivity analysis using Moderate Resolution Imaging Spectroradiometer Measurements, J. Appl. Remote Sens., 2, 023550, 674, 2008.
Short summary
An inversion method is tested in a forecasting setting for constraining ash dispersion by satellite observations. The sensitivity of a priori and satellite uncertainties is tested for the a posteriori term. The a posteriori is also tested with four different assumptions affecting the retrieved ash satellite data. In forecasting mode, the a posteriori changes after only 12 h of satellite observations and produces better forecasts than a priori.
Final-revised paper