New evidence for a relationship between Atlantic tropical cyclone activity and African dust outbreaks

Amato T. Evan, Jason Dunion, Jonathan A. Foley, Andrew K. Heidinger, Christopher S. Velden

Research output: Contribution to journalArticlepeer-review

185 Scopus citations

Abstract

It is well known that Atlantic tropical cyclone activity varies strongly over time, and that summertime dust transport over the North Atlantic also varies from year to year, but any connection between tropical cyclone activity and atmospheric dust has been limited to a few case studies. Here we report new results that demonstrate a strong relationship between interannual variations in North Atlantic tropical cyclone activity and atmospheric dust cover as measured by satellite, for the years 1982-2005. While we cannot conclusively demonstrate a direct causal relationship, there appears to be robust link between tropical cyclone activity and dust transport over the Tropical Atlantic.

Original languageEnglish (US)
Article numberL19813
JournalGeophysical Research Letters
Volume33
Issue number19
DOIs
StatePublished - Oct 2006

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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