Predicting Future Condition and Conservation Costs from Modelling Improvements to the Indoor Environment: The Monumental Munch-Paintings in the University of Oslo’s Aula Assembly Hall

Terje Grøntoft · Lena Porsmo Stoveland · Tine Frøysaker

17 citations0/0 files storedJournal of Conservation and Museum Studies

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Conservation Techniques and Studies Cultural Heritage Materials Analysis Building materials and conservation

Abstract

The aim of this work was to assess how improvements to the indoor environment could affect the future condition, frequency and costs of major conservation-cleaning campaigns on the monumental paintings (1909–1916) by Edvard Munch, centrally located in the Aula assembly hall of the University of Oslo. A lower soiling rate is expected to reduce the need for frequent and major cleaning campaigns. Estimations were performed using the freely available NILU-EnvCul web-model. The conservation of these large, mostly unvarnished, oil paintings is challenging, and it is important to understand the potential benefits of preventive conservation measures. The results from the model suggested benefits from preventive conservation in protecting the paintings, and as a cost-efficient strategy to reduce the soiling and cleaning frequency. The model results indicated that an improvement in the indoor air quality in the Aula, of 50–80% as compared to the 1916–2009 average, would increase the time until the next similar major conservation cleaning campaign from approximately 45 years to between about 85 and 165 years. This should give a 45–70% reduction in the respective conservation costs. This saving was probably initiated by improvements in the recent past, before the last Aula campaign in 2009–11.

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References

2012A proposed method to assess the damage risk of future climate change to museum objects in historic buildings 2009Significance 2.0: a guide to assessing the significance of collections 2010Pollution monitoring by dosimetry and passive diffusion sampling for evaluation of environmental conditions for paintings in microclimate frames 2016Assessment of indoor air quality and the risk of damage to cultural heritage objects using MEMORI®dosimetry 2007Economics of Dust

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2022Hyperspectral Imaging Analyses of Cleaning Tests on Edvard Munch's Monumental Aula Paintings 2022Estimation of the historical dry deposition of air pollution indoors to the monumental paintings by Edvard Munch in the University Aula, in Oslo, Norway 2023Modelling of the deterioration and conservation costs of polychrome painted wood in two Norwegian medieval stone churches 2023The role of SVOCs in the initial film formation and soiling of unvarnished paintings 2023MACHINE LEARNING MODEL FOR THE PREDICTION OF CONDITION OF MUSEUM OBJECTS

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