A5006229280- Cultural Heritage Materials Analysis
- Building materials and conservation
- Conservation Techniques and Studies
- Archaeological and Geological Studies
- Archaeology and ancient environmental studies
- Geological and Geochemical Analysis
- Archaeological and Historical Studies
- Geomagnetism and Paleomagnetism Studies
- Geological and Geophysical Studies Worldwide
- X-ray Spectroscopy and Fluorescence Analysis
- Paleontology and Stratigraphy of Fossils
- Geochemistry and Elemental Analysis
- Archaeological Research and Protection
- Concrete and Cement Materials Research
- Medieval Architecture and Archaeology
- Mineralogy and Gemology Studies
- Metallurgy and Cultural Artifacts
- Geochemistry and Geologic Mapping
- Maritime and Coastal Archaeology
- Geology and Paleoclimatology Research
- Corrosion Behavior and Inhibition
- Archaeology and Historical Studies
- CO2 Sequestration and Geologic Interactions
- Cultural Heritage Management and Preservation
- Pleistocene-Era Hominins and Archaeology
University of Évora
2016-2025
Ben-Gurion University of the Negev
2024
Museu de Lisboa
2018
Cairo University
2018
Endo Pharmaceuticals (United States)
2018
San Antonio College
2016
Ashland (United States)
2013-2015
Centro de Geofísica de Évora
2013
Direção Geral do Património Cultural
2013
Instituto da Conservação da Natureza e das Florestas
2011
The impact of long range Saharan dust transport, arising from one event in February and other March 2017, on the performance photovoltaic flat panels is reported as a case study soiling. Through satellite images, coming north Africa was detected, while using Hybrid Single-Particle Lagrangian Integrated Trajectory, specific origin locations were found. Dust accumulated glass coupons deployed Southern Portugal, Évora Alter do Chão, analysed by Scanning Electron Microscopy Energy Dispersive...
Four pure hydrogenetic, mixed hydrogenetic-diagenetic and hydrogenetic-hydrothermal Fe-Mn Crusts from the Canary Islands Seamount Province have been studied by Micro X-Ray Diffraction, Raman Fourier-transform infrared spectroscopy together with high resolution Electron Probe Analyzer Laser Ablation Inductively Coupled Plasma Mass Spectrometry in order to find correlation of mineralogy geochemistry three genetic processes their influence metal recovery rate using an hydrometallurgical method....
The basal surfaces of phyllosilicate minerals have been widely studied, whereas the edge received little attention. However, in order to simulate complete clay particles at atomic level, modeling becomes crucially important, and such are likely be far more active. We used a combination quantum potential based techniques evaluate structure pyrophyllite their interaction an aqueous environment. These include {110}, {100}, {010}, {1̅10}, {130}, {1̅30}. found that CLAYFF force field is effective...
The Cretaceous paleogeography and the kinematic evolution of Iberian plate are poorly constrained. Especially problematic is to reconcile paleomagnetic data with neighboring plates Euler poles derived from seafloor magnetic anomalies. first limitation arises Normal Polarity Superchron where paleogeographic reconstruction using marine anomalies handicapped. second paucity reliable satisfactory statistical criteria age. In order address these shortcomings provide new high quality for Iberia,...
The purpose of this work is to characterize Portuguese painting ground layers from the 15th and 16th centuries (1450–1600), focusing particularly on Coimbra, Lisbon, Viseu workshops. Calcium sulfate, used regularly in these common Iberian Peninsula as a natural resource. Its use now confirmed, already studied Spanish paintings, it was prepared generally by addition animal glue. Besides esthetic language various workshops at time, chalk/calcite (calcium carbonate), gypsum (di‐hydrated calcium...
Soiling is a problem for solar energy harvesting technologies, such as in photovoltaic modules technologies. This paper describes not only one complete year of Ratioindex and rates measured rural environment Southern Europe, but also focuses on the seasonal variation type soiling, mainly spring summer. The Ratio index calculated based maximum power output short circuit current two (PV) panels, along with Scanning Electron Microscopy Energy Dispersive X-Ray glass samples to provide visual...
Abstract The study performed on the stone materials from Convent of Christ revealed presence a complex microbial ecosystem, emphasizing determinant role microorganisms biodecay this built cultural heritage. In case study, Rubrobacter sp., Arthrobacter Roseomonas and Marinobacter sp. seems to be responsible for colored stains biofilm formation while Ulocladium Cladosporium Dirina may related structural damages. implementation high‐throughput sequencing approaches Christ's assessment allowed...
The aim of this work is the material characterization wall paintings and biodegradation assessment, including analysis microbial growth effect proliferation, in view their conservation. methodology was applied to study frescoes dated from 1531, located ancient parish church Santo Aleixo, Southern Portugal. combined use optical microscopy, scanning electron microscopy coupled with energy dispersive X-ray spectrometry (SEM-EDS) μ- diffraction (XRD) showed that painting palette composed red...
In the framework of inter‐disciplinary KongoKing project, a set beads from archaeological excavations in Democratic Republic Congo was analysed by means minimally invasive, multi‐analytical approach based on micro‐Raman spectroscopy. The full characterization materials, including glassy network, opacifiers and colorizers, achieved thanks to combination data handheld X‐ray fluorescence, variable pressure scanning electron microscopy coupled with energy‐dispersive spectrometry, micro‐Fourier...
Abstract Large-scale release of isotopically light carbon is responsible for the isotope excursion (CIE) Toarcian Oceanic Anoxic Event during Lower Jurassic. Proposed sources include methane hydrate dissociation, volcanogenic outgassing dioxide and/or thermogenic from Karoo‐Ferrar magmatic province (southern Africa). Distinct small-scale shifts superimposed on long-term CIE have been interpreted as rapid pulses linked to astronomically forced climate changes. In Peniche reference section...
Stone deterioration is significantly influenced by the process of salt crystallisation. The expansion crystals on a porous framework exerts pressure solid fraction, causing stone to deteriorate when internal surpasses stone’s strength. Protective coatings are employed effectively hinder or substantially reduce penetration water and saline solutions. This study attempts evaluate effectiveness long-term durability limestones protected with hydrophobic coatings, focusing their resistance...