Dettaglio del documento
Assessing the combined influence of indoor air quality and visitor flow toward preventive conservation at the Peggy Guggenheim Collection
Abstract
The study at the Peggy Guggenheim Collection in Venice highlights critical interactions between indoor air quality, visitor dynamics, and microclimatic conditions, offering insights into preventive conservation of modern artworks.
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By analyzing pollutants such as ammonia, formaldehyde, and organic acids, alongside visitor density and environmental data, the research identified key patterns and risks. Through three seasonal monitoring campaigns, the concentrations of SO2 (sulphur dioxide), NO (nitric oxide), NO2 (nitrogen dioxide), NOx (nitrogen oxides), HONO (nitrous acid), HNO3 (nitric acid), O3 (ozone), NH3 (ammonia), CH3COOH (acetic acid), HCOOH (formic acid), and HCHO (formaldehyde) were determined using passive samplers, as well as temperature and relative humidity data loggers. In addition, two specific short-term monitoring campaigns focused on NH3 were performed to evaluate the influence of visitor presence on indoor concentrations of the above compounds and environmental parameters. NH3 and HCHO concentrations spiked during high visitor occupancy, with NH3 levels doubling in crowded periods. Short-term NH3 campaigns confirmed a direct correlation between visitor numbers and the above indoor concentrations, likely due to human emissions (e.g., sweat, breath) and off-gassing from materials. The indoor/outdoor ratios indicated that several pollutants originated from indoor sources, with ammonia and acetic acid showing the highest indoor concentrations. By measuring the number of visitors and microclimate parameters (temperature and humidity) every 3 s, we were able to precisely estimate the causality and the temporal shift between these quantities, both at small time scale (a few minute delay between peaks) and at medium time scale (daily average conditions due to the continuous inflow and outflow of visitors).
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| Descrizione | *Assessing the combined influence of indoor air quality and visitor flow toward preventive conservation at the Peggy Guggenheim Collection / by Maria Catrambone, Emiliano Cristiani, Cristiano Riminesi, Elia Onofri and Luciano Pensabene Buemi [Basel] : Atmosphere, 2025 1 testo elettronico (PDF) (23 p.) |
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| Note | Modalità di accesso: World Wide Web Titolo della schermata del titolo doi.org/10.3390/atmos16070860. |
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| Anno pubblicazione | 2025 | |
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| Lingua | Inglese | |
| Codice SBN | VEA1437169 |