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Significant radiative impact of volcanic aerosol in the lowermost stratosphere

Author

Listed:
  • Sandra M. Andersson

    (Lund University)

  • Bengt G. Martinsson

    (Lund University)

  • Jean-Paul Vernier

    (Science Systems and Applications, Inc.
    NASA Langley Research Center)

  • Johan Friberg

    (Lund University)

  • Carl A. M. Brenninkmeijer

    (Max Planck Institute for Chemistry)

  • Markus Hermann

    (Leibniz Institute for Tropospheric Research)

  • Peter F. J. van Velthoven

    (Climate Research)

  • Andreas Zahn

    (Institute for Meteorology and Climate Research, Atmospheric Trace Gases and Remote Sensing, Karlsruhe Institute of Technology (KIT))

Abstract

Despite their potential to slow global warming, until recently, the radiative forcing associated with volcanic aerosols in the lowermost stratosphere (LMS) had not been considered. Here we study volcanic aerosol changes in the stratosphere using lidar measurements from the NASA CALIPSO satellite and aircraft measurements from the IAGOS-CARIBIC observatory. Between 2008 and 2012 volcanism frequently affected the Northern Hemisphere stratosphere aerosol loadings, whereas the Southern Hemisphere generally had loadings close to background conditions. We show that half of the global stratospheric aerosol optical depth following the Kasatochi, Sarychev and Nabro eruptions is attributable to LMS aerosol. On average, 30% of the global stratospheric aerosol optical depth originated in the LMS during the period 2008–2011. On the basis of the two independent, high-resolution measurement methods, we show that the LMS makes an important contribution to the overall volcanic forcing.

Suggested Citation

  • Sandra M. Andersson & Bengt G. Martinsson & Jean-Paul Vernier & Johan Friberg & Carl A. M. Brenninkmeijer & Markus Hermann & Peter F. J. van Velthoven & Andreas Zahn, 2015. "Significant radiative impact of volcanic aerosol in the lowermost stratosphere," Nature Communications, Nature, vol. 6(1), pages 1-8, November.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms8692
    DOI: 10.1038/ncomms8692
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    Cited by:

    1. Bruns, Stephan B. & Csereklyei, Zsuzsanna & Stern, David I., 2020. "A multicointegration model of global climate change," Journal of Econometrics, Elsevier, vol. 214(1), pages 175-197.

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