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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 10 | Copyright

Special issue: New observing strategies for monitoring natural and technological...

Nat. Hazards Earth Syst. Sci., 14, 2727-2733, 2014
https://doi.org/10.5194/nhess-14-2727-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 08 Oct 2014

Research article | 08 Oct 2014

A novel approach to comparing simultaneous size-segregated particulate matter (PM) concentration ratios by means of a dedicated triangular diagram using the Agri Valley PM measurements as an example

A. Speranza1, R. Caggiano1, S. Margiotta1,2, and S. Trippetta1,2 A. Speranza et al.
  • 1IMAA, Istituto di Metodologie per l'Analisi Ambientale, CNR, 85050 Tito Scalo, PZ, Italy
  • 2Osservatorio Ambientale Val d'Agri, Via Vittorio Emanuele II, 3, 85052 Marsico Nuovo, PZ, Italy

Abstract. This work presents a novel approach to comparing and graphically representing simultaneous concentration measurements of PM10, PM2.5 and PM1 (i.e., aerosol particles with aerodynamic diameters less than 10, 2.5 and 1 μm, respectively) with similar data reported in the literature using PM2.5/PM10 and PM1/PM10 concentration ratios. With this aim, a dedicated triangular diagram was used. The proposed approach was applied to size-segregated particulate matter (PM) concentrations recorded in the Agri Valley (Basilicata region – southern Italy). Results show that the PM10, PM2.5 and PM1 concentrations recorded in the Agri Valley are comparable both in terms of PM concentration ratios and PM levels to an urban site.

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