Visual analysis method for cultural heritage site risk assessment

Many significant cultural heritage sites are at risk caused by natural environment. A unique type of natural risk to heritage sites is deterioration risk. Conservators and managers of heritage sites are attempting to develop a risk management approach to reduce this type of risk. Risk assessment is the essential component part of risk management process. However, it is hindered by several challenges resulting from the complexity of deterioration risk. We propose the use of visual analysis method for deterioration risk assessment focusing on matching the major needs and objectives of deterioration risk analysis. Our purpose is to facilitate risk analysis which consists of perceiving risk as basis, risk level estimate, and risk cause analysis. A spatial view of deterioration risk is designed for the discovery of distribution patterns. Based on clustering technique, we propose a visual analytics method for risk level analysis. Lastly, the proposed multidimensional data analysis technique is used to detect the causes of deterioration risks.