Articles | Volume 17, issue 2
Atmos. Chem. Phys., 17, 1187–1205, 2017
https://doi.org/10.5194/acp-17-1187-2017
Atmos. Chem. Phys., 17, 1187–1205, 2017
https://doi.org/10.5194/acp-17-1187-2017

Research article 25 Jan 2017

Research article | 25 Jan 2017

Data assimilation for volcanic ash plumes using a satellite observational operator: a case study on the 2010 Eyjafjallajökull volcanic eruption

Guangliang Fu et al.

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A Satellite Observational Operator (SOO) is proposed to translates satellite-retrieved 2-D volcanic ash mass loadings to 3-D concentrations. The SOO makes the analysis step of assimilation comparable in the 3-D model space, and thus it avoids the artificial vertical correlations by not involving the integral operator in directly assimilating 2-D data. The results show that satellite data assimilation with SOO can efficiently improve the estimate of volcanic ash state and the forecast.
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