181 documents found, page 1 of 19

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Using drones to estimate and reduce the risk of wildfire propagation in wildlan...

Santos, Osvaldo; Santos, Natércia

Forest fires have become one of the most destructive natural disasters worldwide, causing catastrophic losses, sometimes with the loss of lives. Therefore, some countries have created legislation to enforce mandatory fuel management within buffer zones in the vicinity of buildings and roads. The purpose of this study is to investigate whether inexpensive off-the-shelf drones equipped with standard RGB cameras c...


Trust in scientists and their role in society across 68 countries

Cologna, Viktoria; Mede, Niels G.; Berger, Sebastian; Besley, John; Brick, Cameron; Joubert, Marina; Maibach, Edward W.; Mihelj, Sabina; Oreskes, Naomi

Science is crucial for evidence-based decision-making. Public trust in scientists can help decision makers act on the basis of the best available evidence, especially during crises. However, in recent years the epistemic authority of science has been challenged, causing concerns about low public trust in scientists. We interrogated these concerns with a preregistered 68-country survey of 71,922 respondents and ...


Sports events: crowd dynamics and relevance in the context of the COVID-19 pand...

Santos, Osvaldo; Matos, Margarida Gaspar de

Cultural and sporting events hold significant social value, promoting cognitive, emotional, and interpersonal skills. The COVID-19 pandemic has disrupted these events, necessitating a careful examination of safety conditions for their resumption. This policy brief summarizes evidence on safety predictors in organizing large-scale sporting events, focusing on crowd dynamics and relevance in the context of the pa...


Insights from the EQUALS4COVID19 study on migrant mental health in Portugal: a ...

Alarcão, Violeta; Candeias, Pedro; Stefanovska-Petkovska, Miodraga; Neves, Júlia; Pintassilgo, Sónia; Machado, Fernando Luis; Santos, Osvaldo

Background: The COVID-19 pandemic and related disruptive consequences in the economic, health, and educational sectors have impacted people's lives, contributing to a context of increased economic and social vulnerability. The pandemic has revealed and accentuated social inequalities and discrimination based on racial or ethnic origin. This study aimed to contribute to the promotion of the mental health and wel...


Insights from the EQUALS4COVID19 study on migrant mental health in Portugal: a ...

Alarcão, Violeta; Candeias, Pedro; Stefanovska-Petkovska, Miodraga; Neves, Júlia; Pintassilgo, Sónia; Machado, Fernando Luís; Santos, Osvaldo

Background: The COVID-19 pandemic and related disruptive consequences in the economic, health, and educational sectors have impacted people’s lives, contributing to a context of increased economic and social vulnerability. The pandemic has revealed and accentuated social inequalities and discrimination based on racial or ethnic origin. This study aimed to contribute to the promotion of the mental health and wel...


Using smart traffic lights to reduce CO2 emissions and improve traffic flow at ...

Santos, Osvaldo; Ribeiro, Fernando Reinaldo; Metrôlho, J.C.M.M.; Dionísio, Rogério Pais

Reducing CO2 emissions is currently a key policy in most developed countries. In this article, we evaluate whether smart traffic lights can have a relevant role in reducing CO2 emissions in small cities, considering their specific traffic profiles. The research method is a quantitative modelling approach tested by computational simulation. We propose a novel microscopic traffic simulation framework, designed to...


Insights from the EQUALS4COVID19 study on migrant mental health in Portugal: a ...

Alarcão, Violeta; Candeias, Pedro; Stefanovska-Petkovska, Miodraga; Neves, Júlia; Pintassilgo, Sónia; Machado, Fernando Luís; Santos, Osvaldo

Background: The COVID-19 pandemic and related disruptive consequences in the economic, health, and educational sectors have impacted people's lives, contributing to a context of increased economic and social vulnerability. The pandemic has revealed and accentuated social inequalities and discrimination based on racial or ethnic origin. This study aimed to contribute to the promotion of the mental health and wel...


Digital health and patient adherence: a qualitative study in older adults

Ferreira-Brito, Filipa; Alves, Sérgio; Guerreiro, Tiago; Santos, Osvaldo; Caneiras, Catia; Carriço, Luis; Verdelho, Ana

Introduction: Computer confidence and computer self-efficacy can impact an individual's perceived ease of use and usefulness of technology, ultimately determining adherence to digital healthcare services. However, few studies focus on assessing the impact of non-clinical factors on the efficacy and adherence to digital healthcare platforms. Objective: We aimed to analyse the role of non-clinical factors (i.e. c...


Conforto térmico e saúde humana no concelho de Lisboa

Santos, Osvaldo; Capitão, Carolina; Fialho, Mónica; Silva, Eduardo; Freitas, Sara; Clímaco, Nuno; Raposo, Carlos; Schmidt, Luísa; Horta, Ana


Conforto térmico e saúde humana no concelho de Lisboa

Santos, Osvaldo; Capitão, Carolina; Fialho, Mónica; Silva, Eduardo; Freitas, Sara; Clímaco, Nuno; Raposo, Carlos; Schmidt, Luísa; Horta, Ana


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