A5062117671- Atmospheric chemistry and aerosols
- Air Quality and Health Impacts
- Air Quality Monitoring and Forecasting
- Atmospheric Ozone and Climate
- Atmospheric aerosols and clouds
- Vehicle emissions and performance
- Atmospheric and Environmental Gas Dynamics
- Radioactivity and Radon Measurements
- Geology and Paleoclimatology Research
- Nuclear and radioactivity studies
- Toxic Organic Pollutants Impact
- Energy and Environment Impacts
- X-ray Spectroscopy and Fluorescence Analysis
- Thermography and Photoacoustic Techniques
- Archaeology and ancient environmental studies
- Impact of Light on Environment and Health
- Radioactive contamination and transfer
- Methane Hydrates and Related Phenomena
- Isotope Analysis in Ecology
- Calibration and Measurement Techniques
- Recycling and Waste Management Techniques
- Wind and Air Flow Studies
- Catalytic Processes in Materials Science
- Color Science and Applications
- Graphite, nuclear technology, radiation studies
University of Milan
2015-2024
Istituto Nazionale di Fisica Nucleare, Sezione di Milano
2014-2024
Istituto Nazionale di Fisica Nucleare
2013-2024
University of Milano-Bicocca
2023
Paul Scherrer Institute
2019
Abstract. Soot, which is produced from biomass burning and the incomplete combustion of fossil fuels, has been linked to regional global climate change negative health problems. Scientists measure properties soot using a variety methods in order quantify source emissions understand its atmospheric chemistry, reactivity under emission conditions, interaction with solar radiation, influence on clouds, impacts. A major obstacle currently limiting progress absence established standards or...
London, like many major cities, has a noted air pollution problem, and better understanding of the sources airborne particles in different size fractions will facilitate implementation effectiveness control strategies to reduce pollution. Thus, trace elemental composition fine coarse fraction were analysed at hourly time resolution urban background (North Kensington, NK) roadside (Marylebone Road, MR) sites within central London. Unlike previous work, current study focuses on measurements...
Abstract. Providing reliable observations of aerosol particles' absorption properties at spatial and temporal resolutions suited to climate models is utter importance better understand the effects that atmospheric particles have on climate. Nowadays, one instruments most widely used in international monitoring networks for situ surface measurements light multi-wavelength dual-spot Aethalometer, AE33. The AE33 derives coefficients seven different wavelengths from optical attenuation through a...
Abstract. In the frame of EMEP/ACTRIS/COLOSSAL campaign in Milan during winter 2018, equivalent black carbon measurements using Aethalometer 31 (AE31), 33 (AE33), and a Multi-Angle Absorption Photometer (MAAP) were carried out together with levoglucosan analyses on 12 h resolved PM2.5 samples collected parallel. From AE31 AE33 data, loading-corrected aerosol attenuation coefficients (bATN) calculated at seven wavelengths (λ, where λ values are 370, 470, 520, 590, 660, 880, 950 nm). The...
The performance and the uncertainty of receptor models (RMs) were assessed in intercomparison exercises employing real-world synthetic input datasets. To that end, results obtained by different practitioners using ten RMs compared with a reference. In order to explain differences performances uncertainties approaches, apportioned mass, number sources, chemical profiles, contribution-to-species time trends sources all evaluated methodology described Belis et al. (2015). this study, 87% 344...
In February 2017 the “Carbonaceous Aerosol in Rome and Environs (CARE)” experiment was carried out downtown to address following specific questions: what is color, size, composition, toxicity of carbonaceous aerosol Mediterranean urban background area Rome? The motivation this lack understanding types are responsible for severe risks human health posed by particulate matter (PM) pollution, how aerosols influence radiative balance. Physicochemical properties were characterised, relevant...
Abstract. In this work, three different thermal protocols were tested on untreated and water-washed aerosol samples to study the influence of soluble organic inorganic compounds EC measurements. Moreover, analyses water extracts carried out. The aim was find out most suitable protocol analyse collected in a heavily polluted area. Indeed, tests performed real at an urban background station Po Valley, which is one main pollution hot-spots Europe. differences among maximum temperature He step...
Levoglucosan, a tracer for the assessment of biomass burning contribution to atmospheric particulate matter (PM) concentrations, was determined by means high-performance anion-exchange chromatography (HPAEC) with pulsed amperometric detection (PAD). In this work we propose modification in instrumental set-up aiming at an improvement detector response adding NaOH after chromatographic separation increase pH. The comparison between technique and gas chromatography/mass spectrometry (GC/MS)...
Abstract. In this paper, a new methodology coupling aerosol optical and chemical parameters in the same source apportionment study is reported. addition to results on contributions, approach provides information such as estimates for atmospheric absorption Ångström exponent (α) of sources mass cross sections (MACs) fossil fuel emissions at different wavelengths. A multi-time resolution using Multilinear Engine (ME-2) was performed PM10 dataset with time resolutions (24, 12, 1 h) collected...
In this paper, we applied the Dispersion Normalised Positive Matrix Factorisation (DN-PMF) approach recently proposed in literature to provide a more realistic picture of relative importance emission strength vs. atmospheric dispersion conditions. The disentanglement such effects is great concern pollution hot spots like Po Valley (Italy), where particulate matter limit values are exceeded despite existing abatement measures. To explore potentiality DN-PMF – still scarcely well-chemically...
The multi-wavelength absorption analyzer model (MWAA model) was recently proposed to provide a source (fossil fuel combustion vs. wood burning) and component (black carbon BC brown BrC) apportionment of babs measured at different wavelengths, the BrC Ångström Absorption exponent (αBrC). This paper shows MWAA performances issues when applied samples impacted by sources. To this aim, run on collected rural (Propata) an urban (Milan) site in Italy during winter period. Lower uncertainties αBrC...
The RHAPS (Redox-Activity And Health-Effects Of Atmospheric Primary Secondary Aerosol) project was launched in 2019 with the major objective of identifying specific properties fine atmospheric aerosol from combustion sources that are responsible for toxicological effects and can be used as new metrics health-related outdoor pollution studies. In this paper, we present overall methodology introduce phenomenology first data observed. A comprehensive physico-chemical characterization has been...