Saharan Dust Contributions to PM10 Levels in Hungary

Author:

Tóth Anita1,Ferenczi Zita1ORCID

Affiliation:

1. HungaroMet, Kitaibel 1, H-1024 Budapest, Hungary

Abstract

There are meteorological situations when huge amounts of Saharan dust are transported from Africa to Europe. These natural dust events may have a significant impact on particulate matter concentrations at monitoring sites. This phenomenon affects mainly the countries in Southern Europe; however, some strong advections can bring Saharan dust to higher latitudes too. The number of Saharan dust events in the Carpathian Basin is believed to increase due to the changing patterns in the atmospheric circulation over the Northern Hemisphere’s mid-latitudes. The jet stream becomes more meandering if the temperature difference between the Arctic areas and the lower latitudes decreases. This favours the northward transport of the North African dust. The European regulation makes it possible to subtract the concentration of Saharan-originated aerosol from the measured PM10 concentration. This manuscript describes the methodology used by the HungaroMet to calculate the amount of natural dust contributing to measured PM10 concentrations.

Funder

Hungarian Academy of Sciences

Publisher

MDPI AG

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