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Sensors 2018, 18(2), 348; doi:10.3390/s18020348

High Frequency Data Acquisition System for Modelling the Impact of Visitors on the Thermo-Hygrometric Conditions of Archaeological Sites: A Casa di Diana (Ostia Antica, Italy) Case Study

1
Department of Accounting, University of Valencia, Av. de los Naranjos s/n, 46071 Valencia, Spain
2
Department of Applied Physics, Universitat Politècnica de València, Av. de los Naranjos s/n, 46022 Valencia, Spain
3
Nanoscience & Nanotechnology & Innovative Instrumentation (NAST Centre), University of Rome “Tor Vergata”, Via della Ricerca Scientifica 1, 00133 Rome, Italy
*
Author to whom correspondence should be addressed.
Received: 2 January 2018 / Revised: 20 January 2018 / Accepted: 21 January 2018 / Published: 25 January 2018
(This article belongs to the Special Issue State-of-the-Art Sensors Technology in Spain 2017)
View Full-Text   |   Download PDF [3595 KB, uploaded 26 January 2018]   |  

Abstract

The characterization of the microclimatic conditions is fundamental for the preventive conservation of archaeological sites. In this context, the identification of the factors that influence the thermo-hygrometric equilibrium is key to determine the causes of cultural heritage deterioration. In this work, a characterization of the thermo-hygrometric conditions of Casa di Diana (Ostia Antica, Italy) is carried out analyzing the data of temperature and relative humidity recorded by a system of sensors with high monitoring frequency. Sensors are installed in parallel, calibrated and synchronized with a microcontroller. A data set of 793,620 data, arranged in a matrix with 66,135 rows and 12 columns, was used. Furthermore, the influence of human impact (visitors) is evaluated through a multiple linear regression model and a logistic regression model. The visitors do not affect the environmental humidity as it is very high and constant all the year. The results show a significant influence of the visitors in the upset of the thermal balance. When a tourist guide takes place, the probability that the hourly temperature variation reaches values higher than its monthly average is 10.64 times higher than it remains equal or less to its monthly average. The analysis of the regression residuals shows the influence of outdoor climatic variables in the thermal balance, such as solar radiation or ventilation. View Full-Text
Keywords: visitors; temperature; relative humidity; thermo-hygrometric balance; continuous monitoring; preventive conservation visitors; temperature; relative humidity; thermo-hygrometric balance; continuous monitoring; preventive conservation
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MDPI and ACS Style

Merello, P.; García-Diego, F.-J.; Beltrán, P.; Scatigno, C. High Frequency Data Acquisition System for Modelling the Impact of Visitors on the Thermo-Hygrometric Conditions of Archaeological Sites: A Casa di Diana (Ostia Antica, Italy) Case Study. Sensors 2018, 18, 348.

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