Cited by 211Geology and Paleoclimatology ResearchClimate variability and modelsAtmospheric aerosols and clouds

High‐latitude eruptions cast shadow over the African monsoon and the flow of the Nile

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Oman, Luke, Robock, Alan, Stenchikov, Georgiy L., Thordarson, Thorvaldur·2006·Geophysical Research Letters

Abstract

Nile River records indicate very low flow following the 1783–1784 Laki volcanic eruption, as well as after other high‐latitude volcanic eruptions. As shown by climate model simulations of the Laki eruption, significant cooling (−1° to −3°C) of the Northern Hemisphere land masses during the boreal summer of 1783 resulted in a strong dynamical effect of weakening the African and Indian monsoon circulations, with precipitation anomalies of −1 to −3 mm/day over the Sahel of Africa, thus producing the low Nile flow. Future high‐latitude eruptions would significantly impact the food and water supplies in these areas. Using observations of the flow of the Nile River, this new understanding is used to support a date of 939 for the beginning of the eruption of the Eldgjá volcano in Iceland, the largest high‐latitude eruption of the past 1500 years.

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Crossref · 10.1029/2006gl027665

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Authors
Oman, L., Robock, A., Stenchikov, G. L., & Thordarson, T.
Affiliations
  • Rutgers, The State University of New Jersey (US)
  • School of GeoSciences, Grant Institute University of Edinburgh Edinburgh UK
Venue
Geophysical Research Letters
Published
2006-09
Volume
33
Issue
18
ISSN
  • 0094-8276 (ISSN-L)
  • 1944-8007
OpenAlex
W1965690360
Cited by
211
References
35
Citations by year
2026: 5 · 2025: 4 · 2024: 12 · 2023: 9 · 2022: 14 · 2021: 18 · 2020: 13 · 2019: 12 · 2018: 12 · 2017: 15 · 2016: 9 · 2015: 17 · 2014: 8 · 2013: 13 · 2012: 8
FWCI
4.11
Type
journal article
Language
en
Open access
Locations
  • Geophysical Research Letters (publishedVersion)
  • Edinburgh Research Explorer (University of Edinburgh) (submittedVersion, other-oa)
Funders
  • National Science Foundation
  • National Aeronautics and Space Administration
  • National Oceanic and Atmospheric Administration
Topics
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Geology and Paleoclimatology Research
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
  • Physical Sciences › Environmental Science › Global and Planetary Change › Atmospheric aerosols and clouds
Keywords
Laki eruption, African monsoon, Northern Hemisphere cooling, Sahel rainfall, monsoon circulation, volcanic forcing, eruption dating, food and water security

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