Proxy evidence for an El Nino-like response to volcanic forcing. Adams, J. B., Mann, M. E., & Ammann, C. M. Nature, 426(6964):274–278, November, 2003. Paper abstract bibtex Past studies have suggested a statistical connection between explosive volcanic eruptions and subsequent El Nino climate events(1,2). This connection, however, has remained controversial(3-5). Here we present support for a response of the El Nino/Southern Oscillation (ENSO) phenomenon(6,7) to forcing from explosive volcanism by using two different palaeoclimate reconstructions of El Nino activity(8,9) and two independent, proxy-based chronologies of explosive volcanic activity(5) from AD 1649 to the present. We demonstrate a significant, multi-year, El Nino-like response to explosive tropical volcanic forcing over the past several centuries. The results imply roughly a doubling of the probability of an El Nino event occurring in the winter following a volcanic eruption. Our empirical findings shed light on how the tropical Pacific ocean-atmosphere system may respond to exogenous (both natural and anthropogenic) radiative forcing.
@article{adams_proxy_2003,
title = {Proxy evidence for an {El} {Nino}-like response to volcanic forcing},
volume = {426},
issn = {0028-0836},
url = {://000186660800040},
abstract = {Past studies have suggested a statistical connection between explosive volcanic eruptions and subsequent El Nino climate events(1,2). This connection, however, has remained controversial(3-5). Here we present support for a response of the El Nino/Southern Oscillation (ENSO) phenomenon(6,7) to forcing from explosive volcanism by using two different palaeoclimate reconstructions of El Nino activity(8,9) and two independent, proxy-based chronologies of explosive volcanic activity(5) from AD 1649 to the present. We demonstrate a significant, multi-year, El Nino-like response to explosive tropical volcanic forcing over the past several centuries. The results imply roughly a doubling of the probability of an El Nino event occurring in the winter following a volcanic eruption. Our empirical findings shed light on how the tropical Pacific ocean-atmosphere system may respond to exogenous (both natural and anthropogenic) radiative forcing.},
number = {6964},
journal = {Nature},
author = {Adams, J. B. and Mann, M. E. and Ammann, C. M.},
month = nov,
year = {2003},
pages = {274--278},
}
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