A Comprehensive Study of the Microclimate-Induced Conservation Risks in Hypogeal Sites: The Mithraeum of the Baths of Caracalla (Rome)

Sensors
Francesca FrascaAnna Maria Siani

Abstract

The peculiar microclimate inside cultural hypogeal sites needs to be carefully investigated. This study presents a methodology that aimed at providing a user-friendly assessment of the frequently occurring hazards in such sites. A Risk Index was specifically defined as the percentage of time for which the hygrothermal values lie in ranges that are considered to be hazardous for conservation. An environmental monitoring campaign that was conducted over the past ten years inside the Mithraeum of the Baths of Caracalla (Rome) allowed for us to study the deterioration before and after a maintenance intervention. The general microclimate assessment and the specific conservation risk assessment were both carried out. The former made it possible to investigate the influence of the outdoor weather conditions on the indoor climate and estimate condensation and evaporation responsible for salts crystallisation/dissolution and bio-colonisation. The latter took hygrothermal conditions that were close to wall surfaces to analyse the data distribution on diagrams with critical curves of deliquescence salts, mould germination, and growth. The intervention mitigated the risk of efflorescence thanks to reduced evaporation, while promoting the r...Continue Reading

References

Oct 4, 2005·The Science of the Total Environment·S Sanchez-MoralC Saiz-Jimenez
Jan 27, 2018·Scientific Reports·Nagore Prieto-TaboadaJuan Manuel Madariaga
Apr 28, 2018·Environmental Science and Pollution Research International·Anna Maria SianiEugenio Fazio

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Citations

Dec 2, 2020·Sensors·Alessio De AngelisFrancesco Di Lorenzo

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Software Mentioned

GRILLO MMTS

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