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@ARTICLE{Fadnavis:890387,
author = {Fadnavis, Suvarna and Müller, Rolf and Chakraborty,
Tanusri and Sabin, T. P. and Laakso, Anton and Rap,
Alexandru and Griessbach, Sabine and Vernier, Jean-Paul and
Tilmes, Simone},
title = {{T}he role of tropical volcanic eruptions in exacerbating
{I}ndian droughts},
journal = {Scientific reports},
volume = {11},
number = {1},
issn = {2045-2322},
address = {[London]},
publisher = {Macmillan Publishers Limited, part of Springer Nature},
reportid = {FZJ-2021-00920},
pages = {2714},
year = {2021},
abstract = {The Indian summer monsoon rainfall (ISMR) is vital for the
livelihood of millions of people in the Indianregion;
droughts caused by monsoon failures often resulted in
famines. Large volcanic eruptions havebeen linked with
reductions in ISMR, but the responsible mechanisms remain
unclear. Here, using145-year (1871–2016) records of
volcanic eruptions and ISMR, we show that ISMR deficits
prevailfor two years after moderate and large (VEI > 3)
tropical volcanic eruptions; this is not the case
forextra-tropical eruptions. Moreover, tropical volcanic
eruptions strengthen El Niño and weaken La Niñaconditions,
further enhancing Indian droughts. Using climate-model
simulations of the 2011 Nabrovolcanic eruption, we show that
eruption induced an El Niño like warming in the central
Pacific for twoconsecutive years due to Kelvin wave
dissipation triggered by the eruption. This El Niño like
warmingin the central Pacific led to a precipitation
reduction in the Indian region. In addition, solar
dimmingcaused by the volcanic plume in 2011 reduced Indian
rainfall.},
cin = {IEK-7 / JSC},
ddc = {600},
cid = {I:(DE-Juel1)IEK-7-20101013 / I:(DE-Juel1)JSC-20090406},
pnm = {211 - Die Atmosphäre im globalen Wandel (POF4-211) / 5111
- Domain-Specific Simulation $\&$ Data Life Cycle Labs
(SDLs) and Research Groups (POF4-511)},
pid = {G:(DE-HGF)POF4-211 / G:(DE-HGF)POF4-5111},
typ = {PUB:(DE-HGF)16},
pubmed = {33526810},
UT = {WOS:000617703500012},
doi = {10.1038/s41598-021-81566-0},
url = {https://juser.fz-juelich.de/record/890387},
}