Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

New “Smart” Systems for Atmospheric Aerosol and Reactive Gas Sampling in Ambient Air

Paolo Cristofanelli
* ORCID logo ,
Maurizio Busetto
,
Enrico Ronchi
* ,
Paolo Miatto
,
Angela Marinoni
,
Francescopiero Calzolari
,
Paolo Bonasoni
,
Luca Tagliafico
Version 1 : Received: 24 September 2018 / Approved: 24 September 2018 / Online: 24 September 2018 (16:47:52 CEST)

A peer-reviewed article of this Preprint also exists.

Cristofanelli, P.; Busetto, M.; Ronchi, E.; Miatto, P.; Marinoni, A.; Calzolari, F.; Bonasoni, P.; Tagliafico, L.A. New “Smart” Systems for Atmospheric Aerosol and Reactive Gas Sampling in Ambient Air. Sensors 2018, 18, 3602. Cristofanelli, P.; Busetto, M.; Ronchi, E.; Miatto, P.; Marinoni, A.; Calzolari, F.; Bonasoni, P.; Tagliafico, L.A. New “Smart” Systems for Atmospheric Aerosol and Reactive Gas Sampling in Ambient Air. Sensors 2018, 18, 3602.

Abstract

Nowadays a recognized need for accurate observations of atmospheric aerosols (AEs) and reactive gases (RGs) exists in the framework of regional, national and global near-surface networks based on permanent or mobile measurement stations. In this context, a paramount and not-trivial issue is related to the correct execution of continuous sampling of ambient air and its subsequent distribution to measurement analyzers hosted inside the stations. Sampling artifacts must be minimized for obtaining reliable pictures of ambient air composition. To respond to this need, a suite of novel “smart” and relatively low-cost systems for the continuous sampling of ambient air was developed in the framework of the Project I-AMICA (2012 – 2015, www.i-amica.eu). These systems were designed to execute AE and RG measurements according with WMO/GAW and ACTRIS recommendations and standard operation procedures. A particular attention was dedicated to the stabilization and control of the sampling flow rates and temperatures. The analysis of one full year of operations at the WMO/GAW regional station of Capo Granitola (GAW ID: CGR, Italy), allowed to conclude that these systems are effective in meeting the technical requirements for correct execution of AE and RG measurements

Keywords

reactive gases; atmospheric aerosol; air sampling; smart technologies

Subject

Environmental and Earth Sciences, Atmospheric Science and Meteorology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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