Physical and chemical properties of deposited airborne particulates over the Arabian Red Sea coastal plain

Johann Engelbrecht, Georgiy L. Stenchikov, P. Jish Prakash, Traci Lersch, Anatolii Anisimov, Illia Shevchenko

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

Mineral dust is the most abundant aerosol, having a profound impact on the global energy budget. This research continues our previous studies performed on surface soils in the Arabian Peninsula, focusing on the mineralogical, physical and chemical composition of dust deposits from the atmosphere at the Arabian Red Sea coast. For this purpose, aerosols deposited from the atmosphere are collected during 2015 at six sites on the campus of the King Abdullah University of Science and Technology (KAUST) situated on the Red Sea coastal plain of Saudi Arabia and subjected to the same chemical and mineralogical analysis we conducted on soil samples. Frisbee deposition samplers with foam inserts were used to collect dust and other deposits, for the period December 2014 to December 2015. The average deposition rate measured at KAUST for this period was 14 g m−2 per month, with lowest values in winter and increased deposition rates in August to October. The particle size distributions provide assessments of
Original languageEnglish (US)
Pages (from-to)11467-11490
Number of pages24
JournalAtmospheric Chemistry and Physics
Volume17
Issue number18
DOIs
StatePublished - Sep 27 2017

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