Chiara Bertolin

Chiara Bertolin
Norwegian University of Science and Technology | NTNU · Department of mechanical and industrial engineering

PhD in Astronomy; Degree in Astronomy

About

138
Publications
46,804
Reads
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1,798
Citations
Additional affiliations
January 2022 - present
Norwegian University of Science and Technology - NTNU
Position
  • Professor (Full)
August 2019 - December 2021
Norwegian University of Science and Technology
Position
  • Professor (Associate)
January 2016 - July 2019
Norwegian University of Science and Technology
Position
  • Professor (Associate)
Description
  • Zero emission refurbishment of the built environment
Education
January 2007 - April 2010
University of Padova
Field of study
  • Astronomy

Publications

Publications (138)
Conference Paper
ANAtOLIA (Atmospheric moNitoring to Assess the availability of Optical LInks through the Atmosphere) is a project funded by the European Space Agency and aims to ground-sites selection and assess their availabilities for optical links through the atmosphere. In addition to cloud cover, space-to-ground optical communications are limited by aerosols...
Article
The objective of this work is to develop a methodology for the identification of extreme rain and drought events that have occurred in the last 30 years using products derived from satellite images. Proposed methodology uses statistical reducers such as percentile, drought indexes, and map algebra at a geo big data scale. The daily precipitation da...
Article
Full-text available
Studying, controlling and extrapolating the indoor microclimate of historical buildings have always been at the forefront among numerous preventive conservation strategies, especially in case of buildings made of organic hygroscopic materials, e.g., wood. The variations and fluctuations of the microclimatic variables, namely temperature (T) and rel...
Article
Full-text available
The microclimate in which historical buildings and objects are placed strongly influences the mechanical decay and properties of the constituent materials, especially if they are susceptible to fluctuations of temperature (T) and relative humidity (RH). For this reason, in this work, the attention is focused on the indoor microclimate of an histori...
Chapter
In the heritage science field, there is a lack of available damage functions to assess the risk of mechanical damage on cultural heritage objects or assets. In this work, the risk of hygro-mechanical decay for wooden objects/artefacts within Heddal Stave Church (Norway) is evaluated by assessing the impact that different heating strategies may have...
Article
Full-text available
Among non‐destructive testing (NDT) techniques applied to structural health monitoring in existing timber structures, ranging from visual inspection to more sophisticated analysis, acoustic emission (AE) is currently seldomly used to detect mechanical stresses in wooden building assets. This paper presents the results from a systematic literature r...
Article
Understanding the mechanical behavior and properties of works of art, such as panel paintings, is helpful for evaluating the failure mechanisms in play, especially during exhibitions in confined spaces. A panel painting is typically formed by a wooden panel and by layers of gesso, followed by paints and varnishes on the top. Induced by environmenta...
Conference Paper
The use of installation of vertical green systems (VGSs) on buildings envelopes can be evaluated as a shielding element which may increase energy efficiency, human comfort levels and may have many other environmental benefits. Examples of use of green envelopes are green walls and green roofs. Green walls started to be implemented in the last decad...
Article
Full-text available
The conservation of historic libraries can be referred towards both the ancient book collections and the buildings themselves. Heritage collections made of paper are threaten by climate-induced deterioration risks such as cellulose hydrolysis. Several studies have investigated the microclimate inside historic libraries but comparisons are difficult...
Article
This article introduces the Special Issue on Risk Protection for Cultural Heritage and Historic Centres. The article starts by reviewing the gaps in knowledge and practice related to disaster risk management of cultural heritage. It then reviews the contributions to the Special Issue, focussing on their multi-disciplinary findings that address some...
Conference Paper
Warehouses are big architectonical structures mostly made of spruce wood and utilized as storage buildings principally by food traders in Northern Countries. Trondheim’s warehouses currently observable along the river Nidelva, date back between the 17th and half of the 19th century were mostly used to stock and process fish. Therefore, where the fo...
Conference Paper
The proposed study deals with environmental data collected in the Kvernes stave church, belonging to the Møre type. The nave and the chancel belonging to the original structure, probably dated back to early 1600, are one of the few cases – among the 28 existing Stave Churches - still maintaining the internal wall painting, realized with a tempera t...
Article
Wood is largely used in construction purposes; however, its proneness to changes in the relative humidity can negatively affect its structural integrity. This research paper aims to calculate the amount of hygric stress induced by variations of relative humidity in Scots pine wood. To this end, on the basis of the already conducted experimental tes...
Poster
Full-text available
Historical Background: The Ca 'Granda, in other words, Ospedale Maggiore, is the most significant work of architect Antonio Averlino (also known as Filarete, 1410-1470). It was built with the original function of hospital, while nowadays it serves as an educational building (University headquarter). The first stone of Ca’ Granda was laid on April 1...
Article
Full-text available
Under constant temperature conditions, air relative humidity variations affect hygroscopic objects, such as wood, modifying their moisture content and provoking, at low values, damages and fractures. The parameters (amplitude, counts, and energy) derived from the acoustic emission non-destructive technique are calibrated with respect to equilibrium...
Article
The intervention measures in historic buildings, if planned and implemented correctly, provide enormous cultural, economic, environmental and social benefits. Moreover, performing the improvements at an urban level, for groups of buildings that hold similar significance and preservation status, would ensure the uniformity of intervention works and...
Article
Full-text available
This study focuses on the use of micro-sensitive methods – nanoindentation, dynamic water vapour sorption, and X-ray microtomography – to examine the physical properties of small volumes of artists’ materials. The novel methodology proposed in this paper was tested on laboratory-prepared chalk-based ground samples and subsequently applied to distem...
Article
Full-text available
The presented research examines 17th century distemper paint from the polychrome wooden interiors of two Norwegian stave churches: Eidsborg and Heddal. For the first time, the inorganic and organic components of specimens from Eidsborg and Heddal were identified using X-ray Diffraction (XRD), Environmental Scanning Electron Microscopy (ESEM)—Energy...
Article
An attempt was made to investigate the Michalski’s proven fluctuation theory through the use of the fracture characteristic and the energy density – dynamic surface value – of Scots pine coated with Renaissance wax, paraloid, and tar. The slices were acclimatized in a climate chamber with an abrupt drop of relative humidity from 80% to 30% while be...
Preprint
Antonio Colla was a meteorologist and astronomer who made sunspot observations at the Meteorological Observatory of the Parma University (Italy). He carried out his sunspot records from 1830 to 1843, just after the Dalton Minimum. We have recovered 71 observation days for this observer. Unfortunately, many of these records are qualitative and we co...
Article
This study shows the implementation of a new risk assessment monitoring tool, to be applied to prevent trees failure and significant damage to people and structures, in an urban archaeological site i.e. the Colosseum's Archaeological Park in Rome. Here, a network of ten TreeSavers has been recently installed to allow real-time continuous static and...
Article
The mode I critical stress intensity factor of a Scots pine beam was studied in the tangential-radial crack propagation system. The beam was naturally dried in the lab enviroment following a year and a half-long exposure to the harsh climate of Trondheim in Norway. A comparison between critical stress intensity factor values obtained by means of ex...
Article
Full-text available
Understanding the mechanical behaviour and properties of artists’ materials is helpful for evaluating the failure of their structures during exhibition in confined spaces. Generally, macro-sized mock-ups of artists’ materials are conventionally used to approximate the mechanical properties of historic materials. Although with newly adopted small-sc...
Article
Full-text available
Wood generally suffers drastic RH variations, strongly affecting its dimensional stability because of the gain or loss of adsorbed water. The proposed paper intends to investigate the applicability of a multi-technique approach for the estimation of crack length in softwood structures. The methodology foreseen the monitoring by acoustic emission (A...
Article
Full-text available
The main issue of wood is its sensitivity to Relative Humidity (RH) variations, affecting its dimensional stability, and thus leading to crack formations and propagations. In situ structural health monitoring campaigns imply the use of portable noninvasive techniques such as acoustic emission, used for real-time detection of energy released when cr...
Article
Full-text available
Buildings components and assemblies are prone to decay over time due to the inherent characteristics of the materials, environmental conditions and operational use of them. For this reason, it is very important to know the right time and type of maintenance and adaptation interventions that need to be applied to the specific compounds. The answer t...
Article
Full-text available
One of the main issues of the international research project SyMBoL - Sustainable Management of Heritage Buildings in a Long-term perspective, is the evaluation of wood mechanical properties. Particularly, pine wood is tested being the main building materials of medieval Norwegian stave churches. Experiments are aimed to assess variations in mechan...
Article
Aurora observations are an uncommon phenomenon at low and mid latitudes that, at the end of the 18th century, were not well known and understood. Low and mid geomagnetic latitude aurora observations provide information about episodes of intense solar storms associated with flares and outstanding coronal mass ejection (CME) and about the variation o...
Article
Full-text available
Emerging negative trends in snow depth and cover days highlight the challenges posed by changing snow patterns around the world. They suggest that snow-dependent regions in southern Europe could be affected by these changes because the number of days with snow on the ground (DSG) determines soil processes and water-flow in rivers, streams, lakes an...
Article
Full-text available
The main issue of wood is its sensitivity to Relative Humidity (RH) variations, affecting its dimensional stability, and thus leading to crack formations and propagations. In situ structural health monitoring campaigns imply the use of portable noninvasive techniques such as acoustic emission, used for real-time detection of energy released when cr...
Article
Full-text available
Antonio Colla was a meteorologist and astronomer who made sunspot observations at the Meteorological Observatory of the Parma University (Italy). He carried out his sunspot observations from 1830 to 1843, just after the Dalton Minimum. We have recovered 71 observation days for this observer. Unfortunately, many of these records are qualitative and...
Article
Wood is an orthotropic material used since ancient time. A literature research about the mechanical properties of density, fracture toughness, modulus of elasticity, and Poisson's ratio has been done to have a broader view on the subject. The publications relating to the topic were found through the two search engines Scopus and Google Scholar that...
Article
The emergence of decreasing trends in snowfall frequency and snow depth highlights the challenges arising from shifts in snow regimes. In particular, snow‐dependent southern Europe regions may be negatively impacted by such changes. Snow regimes strongly influence the water availability in reservoirs and groundwater. This study presents the world’s...
Article
Full-text available
There are concerns that recent climate change is altering the frequency and magnitude of river floods in an unprecedented way1. Historical studies have identified flood-rich periods in the past half millennium in various regions of Europe2. However, because of the low temporal resolution of existing datasets and the relatively low number of series,...
Article
The first aim of this corrigendum is to point out and correct calculation errors on solar depression angle and azimuth angle in Bertolin and Domínguez-Castro (2020a, 2020b). The second aim is to recognize that these calculations are correct in Dalin (2020). The third aim is to analyze the chances of Antonio Colla to observe the noctilucent cloud (N...
Article
Full-text available
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...
Article
Full-text available
Surface treatments can modify the materials behavior toward water sorption phenomena. The Guggenheim‐Andersen‐de Boer (GAB) sorption equation, already used in the past to study various wood species, is here proposed to investigate the sorption behavior of pine wood samples treated with different sealing material. Particularly, the paper aims to exp...
Article
In this reply, the aim of the authors is to correct the calculation errors on solar depression angle and azimuth angle as recognized by Dr. Dalin in his critical review. However, these updated and corrected calculations do not affect the possibility for Antonio Colla of having observed the Noctilucent Cloud (NLC) plausible both in the direction and...
Article
Full-text available
During the Medieval period, over 1000 stave churches were thought to have been constructed in Norway. However, currently, only 28 of these churches remain and only 19 still have distemper wall paintings. The cultural significance of these structures, and more specifically their elaborate distemper wall paintings, has changed over time, as have the...
Preprint
Full-text available
Abstract. Aurorae Observations are an uncommon phenomenon at low latitudes that, at the end of the 18th century was not well known and understood. Low latitude Aurorae observations provide information about episodes of intense solar storms associated with flares and outstanding coronal mass ejection (CME) and on the variation of the geomagnetic fie...
Article
Full-text available
During the Medieval period, over 1000 stave churches were thought to have been constructed in Norway. However, currently, only 28 of these churches remain and only 19 still have distemper wall paintings. The cultural significance of these structures, and more specifically their elaborate distemper wall paintings, has changed over time, as have the...
Article
Noctilucent clouds (NLCs) are an uncommon phenomenon that provides information about the conditions and dynamics of the mesosphere. The first observation of NLCs was recorded in 1884/1885, following Krakatoa’s eruption in 1883. The literature speculates that this observation was trigged by the injection of millions of tons of H 2 O by the Krakatoa...
Article
Full-text available
Acoustic emission is a well-known noninvasive methodology for the study of defects in materials but still rarely applied in the field of cultural heritage diagnostic. How alteration products and degradation processes affect the acoustic emission signal still is an open issue. The proposed study concerns the utilization of such techniques to investi...
Article
Full-text available
Surface treatments can modify the materials behavior toward water sorption phenomena and the GAB equation is here proposed to study pine wood samples treated with difference sealing materials limiting in different ways the access and release of water moisture. Particularly, the modification of the kGAB, CGAB, Vads and SGAB parameters as a function...
Article
Full-text available
The mechanical behavior of metallic fiber reinforced adhesively bonded Single Lap Joints (SLJ) under dynamic loading has been studied. The effect of different fiber spacing along the joint width on the strength of SLJs was investigated experimentally. The experimental tests were conducted on non-reinforced and reinforced adhesives joints fabricated...
Article
Full-text available
The increasing risk and exposure of people and assets to natural hazards and disasters suggests an increasing need for temporary housing following disasters. Resilience to natural hazards is dependent on the resources available to families or communities to prepare for and mitigate risk, influenced by social vulnerability. This study seeks to quant...
Article
Full-text available
The recurrence of storm aggressiveness and the associated erosivity density are detrimental hydrological features for soil conservation and planning. The present work illustrates for the first time downscaled spatial pattern probabilities of erosive density to identify damaging hydrological hazard-prone areas in Italy. The hydrological hazard was e...
Article
The recurrence of storm aggressiveness and the associated erosivity density are detrimental hydrological features for soil conservation and planning. The present work illustrates for the first time downscaled spatial pattern probabilities of erosive density to identify damaging hydrological hazard-prone areas in Italy. The hydrological hazard was e...
Article
Full-text available
The historic buildings have a significant value in providing a sense of identity to the cities and the community. On the other hand, due to their age, they show the highest ratio of living discomfort and energy consumption. Therefore, their refurbishment is a very important process because, if done right, it will not only reduce their energy demand...
Article
Full-text available
Climate change mitigation targets have put pressure to reduce the carbon footprint of cultural heritage buildings. Commonly adopted measures to decrease the greenhouse gas (GHG) emissions of historical buildings are targeted at improving their energy efficiency through insulating the building envelope, and upgrading their heating, cooling and light...
Article
Full-text available
With a wide spectrum of data, case studies, monitoring, and experimental and numerical simulation techniques, the multidisciplinary approach of material, environmental, and computer science applied to the conservation of cultural heritage offers several opportunities for the heritage science and conservation community to map and monitor the state o...
Chapter
There is growing concern about the threat posed by climate change to cultural heritage, notably to World Heritage properties. Climate change is triggering changes in rainfall patterns, humidity and temperature, as well as increasing exposure to severe weather events that can negatively impact on cultural heritage materials and structures by enhanci...
Chapter
Full-text available
Marius Voica, Elena Cristina Mândrescu, Mihaela Hărmănescu, Marina Mihăilă, Andra Panait, Adrian Moleavin, Alexandra Afrăsinei, Ioana Elena Zacharias Vultur, Georgică Mitrache, Magdalena Stanculescu, Vincenzo Sapienza, Ivo Calio, Antonio Gagliano, Gianluca Rodono, Luca Finocchiaro, Chiara Bertolin, Markus Schwai. (2018). Lofoten Peninula and Eolia...
Article
Full-text available
A new methodology for long-term monitoring of climate change impacts on historic buildings and interiors has been developed. This paper proposes a generic framework for how monitoring programs can be developed and describes the planning and arrangement of a Norwegian monitoring campaign. The methodology aims to make it possible to establish a data-...
Chapter
In Norway, studies from Heritage at Risk have shown that up to 1% of the historic buildings constructed prior to 1900 are lost every year. At this rate of loss, the cultural heritage of the country will be at increasing risk over the near future. Therefore, it is of critical importance to plan maintenance and adaptation interventions for this categ...