Is Summer African Dust Arriving Earlier to Barbados? The Updated Long-Term In Situ Dust Mass Concentration Time Series from Ragged Point, Barbados, and Miami, Florida
Zuidema, Paquita ; Alvarez, Claudia ; Kramer, Samantha J. ; Custals, Lillian ; Izaguirre, Miguel ; Sealy, Peter ; Prospero, Joseph M. ; Blades, Edmund
Surface dust mass concentrations, extracted from filters collected at Miami, Florida, and Ragged Point, Barbados, since 1974 and 1973, respectively, provide a rare, unusual, and important metric of the intercontinental transport of North African dust. The daily-resolved time series, updated through December 2018 for Miami and through December 2015 along with May-September 2016 and January-March and June-August 2017 for Barbados, indicate summer-mean dust mass concentrations have mostly decreased this decade at Miami, but not at Barbados, where instead the events containing the highest dust mass concentration events may be shifting to earlier in the year.</p>
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