Publication Abstracts

Rao et al. 2017

Rao, M.P., B.I. Cook, E.R. Cook, R.D. D'Arrigo, P.J. Krusic, K.J. Anchukaitis, A.N. LeGrande, B.M. Buckley, N.K. Davi, C. Leland, and K.L. Griffin, 2017: European and Mediterranean hydroclimate responses to tropical volcanic forcing over the last millennium. Geophys. Res. Lett., 44, no. 10, 5104-5112, doi:10.1002/2017GL073057.

Volcanic eruptions have global climate impacts, but their effect on the hydrologic cycle is poorly understood. We use a modified version of superposed epoch analysis, an eruption year list collated from multiple datasets, and seasonal paleoclimate reconstructions (soil moisture, precipitation, geopotential heights, and temperature) to investigate volcanic forcing of spring and summer hydroclimate over Europe and the Mediterranean over the last millennium. In the western Mediterranean, wet conditions occur in the eruption year and the following 3 years. Conversely, northwestern Europe and the British Isles experience dry conditions in response to volcanic eruptions, with the largest moisture deficits in post-eruption years 2 and 3. The precipitation response occurs primarily in late spring and early summer (April-July), a pattern that strongly resembles the negative phase of the East Atlantic Pattern. Modulated by this mode of climate variability, eruptions force significant, widespread, and heterogeneous hydroclimate responses across Europe and the Mediterranean.

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BibTeX Citation

@article{ra07800j,
  author={Rao, M. P. and Cook, B. I. and Cook, E. R. and D'Arrigo, R. D. and Krusic, P. J. and Anchukaitis, K. J. and LeGrande, A. N. and Buckley, B. M. and Davi, N. K. and Leland, C. and Griffin, K. L.},
  title={European and Mediterranean hydroclimate responses to tropical volcanic forcing over the last millennium},
  year={2017},
  journal={Geophys. Res. Lett.},
  volume={44},
  number={10},
  pages={5104--5112},
  doi={10.1002/2017GL073057},
}

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RIS Citation

TY  - JOUR
ID  - ra07800j
AU  - Rao, M. P.
AU  - Cook, B. I.
AU  - Cook, E. R.
AU  - D'Arrigo, R. D.
AU  - Krusic, P. J.
AU  - Anchukaitis, K. J.
AU  - LeGrande, A. N.
AU  - Buckley, B. M.
AU  - Davi, N. K.
AU  - Leland, C.
AU  - Griffin, K. L.
PY  - 2017
TI  - European and Mediterranean hydroclimate responses to tropical volcanic forcing over the last millennium
JA  - Geophys. Res. Lett.
VL  - 44
IS  - 10
SP  - 5104
EP  - 5112
DO  - 10.1002/2017GL073057
ER  -

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