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Orlandi, Andrea (author), Calastrini, Francesca (author), Kalikatzarakis, Miltiadis (author), Guarnieri, Francesca (author), Busillo, Caterina (author), Coraddu, A. (author)This study introduces a novel framework of metocean prediction and ship performance models that integrate multiple layers of modeling to evaluate the environmental impact of ship emissions. It enables scenario simulations that assess a ship's performance, estimates pollutant emissions, and simulate the fate of these pollutants in the...journal article 2024
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Noorian Najafabadi, S.A. (author), Ding, Er (author), Hobeika, N. (author), Bluyssen, P.M. (author)Indoor air quality (IAQ) is an important aspect of maintaining human health and well-being, particularly since people spend most of their time indoors. Carpets, with their large surface area and dense fibre piles, have the potential to significantly impact IAQ by emitting and absorbing volatile organic compounds (VOC) from building materials and...journal article 2024
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Ding, Er (author), Zhang, D. (author), Hamida, A.B. (author), Garcia Sanchez, C. (author), Jonker, Lotte (author), de Boer, Annemarijn R. (author), Bruijning, Patricia C.J.L. (author), Linde, Kimberly J. (author), Wouters, Inge M. (author), Bluyssen, P.M. (author)During the COVID-19 pandemic, the importance of ventilation was widely stressed and new protocols of ventilation were implemented in school buildings worldwide. In the Netherlands, schools were recommended to keep the windows and doors open, and after a national lockdown more stringent measures such as reduction of occupancy were introduced. In...journal article 2023
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Yarce Botero, A. (author), Lopez Restrepo, S. (author), Sebastian Rodriguez, Juan (author), Valle, Diego (author), Galvez-Serna, Julian (author), Montilla, Elena (author), Botero, Francisco (author), Henzing, Bas (author), Heemink, A.W. (author)The densest network for measuring air pollutant concentrations in Colombia is in Medellin, where most sensors are located in the heavily polluted lower parts of the valley. Measuring stations in the higher elevations on the mountains surrounding the valley are not available, which limits our understanding of the valley’s pollutant dynamics and...journal article 2023
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Hinestroza-Ramirez, Jhon E. (author), Lopez-Restrepo, Santiago (author), Yarce Botero, A. (author), Segers, Arjo (author), Rendon-Perez, Angela Maria (author), Isaza-Cadavid, Santiago (author), Heemink, A.W. (author), Quintero, Olga Lucia (author)Chemical transport models (CTM) are crucial for simulating the distribution of air pollutants, such as particulate matter, and evaluating their impact on the environment and human health. However, these models rely heavily on accurate emission inventory and meteorological inputs, usually obtained from reanalyzed weather data, such as the...journal article 2023
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Hu, Yan (author), Liu, Zhengxuan (author), Ai, Zhengtao (author), Zhang, Guoqiang (author)Ventilative cooling is an energy-saving technology to diminish thermal discomfort and overheating risk of buildings, meanwhile achieving high indoor air quality (IAQ). However, there is still no optimal control strategy in practice, which considerably limits its application. This study developed a typical office building model to evaluate the...journal article 2023
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Taher, Ammar (author), Așut, Serdar (author), van der Spoel, W.H. (author)This article presents a project that explores the potential of Additive Manufacturing (AM) for designing and fabricating multi-functional building components for improved climate performance. In this project, an innovative façade wall design was developed by using a computational method in an attempt to integrate a displacement ventilation...journal article 2023
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Anderson, Lindsey D. (author), Dix, Barbara (author), Schnell, Jordan (author), Yokelson, Robert (author), Veefkind, j. Pepijn (author), Ahmadov, Ravan (author), de Gouw, Joost (author)Wildfires have become larger and more frequent because of climate change, increasing their impact on air pollution. Air quality forecasts and climate models do not currently account for changes in the composition of wildfire emissions during the commonly observed progression from more flaming to smoldering combustion. Laboratory measurements...journal article 2023
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Dix, Barbara (author), Li, Meng (author), Roosenbrand, E.J. (author), Francoeur, Colby (author), Brown, Steven S. (author), Gilman, Jessica B. (author), Hanisco, Thomas F. (author), Veefkind, j. Pepijn (author), Levelt, Pieternel Felicitas (author)We analyzed observational and model data to study the sources of formaldehyde over oil and gas production regions and to investigate how these observations may be used to constrain oil and gas volatile organic compound (VOC) emissions. The analysis of aircraft and satellite data consistently found that formaldehyde over oil and gas production...journal article 2023
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Noorian Najafabadi, S.A. (author), Sugano, S.S. (author), Bluyssen, P.M. (author)Interest in having a healthy and well-being environment has increased the awareness to improve indoor air quality (IAQ). Building materials influence the contribution of indoor air pollution, so understanding their behaviour on IAQ is essential. Among building materials, carpets cover surfaces of indoor environments and significantly impact IAQ...journal article 2022
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Armijos Moya, T.E. (author), de Visser, Pieter (author), Ottele, M. (author), van den Dobbelsteen, A.A.J.F. (author), Bluyssen, P.M. (author)Potted plants have been reported to uptake VOCs and help “cleaning” the air. This paper presents the results of a laboratory study in which two species of plants (peace lily and Boston fern) and three kinds of substrates (expanded clay, soil, and activated carbon) were tested and monitored on their capacity to deplete formaldehyde and CO2 in a...journal article 2022
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Dix, Barbara (author), Francoeur, Colby (author), Li, Meng (author), Serrano Calvo, R. (author), Levelt, Pieternel Felicitas (author), Veefkind, j. Pepijn (author), McDonald, Brian C. (author), De Gouw, Joost (author)The production of crude oil and natural gas is associated with emissions of air pollutants, such as nitrogen oxides (NOx = NO + NO2) and volatile organic compounds, which are precursors for the formation of ground-level ozone. Knowledge of these emissions is critical to the understanding and mitigation of local air quality. NOx emissions from...journal article 2022
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Nezis, Ioannis (author), Biskos, G. (author), Eleftheriadis, Konstantinos (author), Fetfatzis, Prodromos (author), Popovicheva, Olga (author), Sitnikov, Nikolay (author), Kalantzi, Olga Ioanna (author)Poor indoor air quality is an important issue for public and occupational health worldwide. Location, air-tightness of the building, ventilation rate and resident activities play an important role on the concentration of indoor pollutants and subsequently on their effects on human health. While indoor air pollution in working environments has...journal article 2022
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Lopez Restrepo, S. (author), Yarce Botero, A. (author), Pinel, Nicolás (author), Quintero, O. L. (author), Segers, Arjo (author), Heemink, A.W. (author)This work proposes a robust and non-Gaussian version of the shrinkage-based knowledge-aided EnKF implementation called Ensemble Time Local H<sub>∞</sub> Filter Knowledge-Aided (EnTLHF-KA). The EnTLHF-KA requires a target covariance matrix to integrate previously obtained information and knowledge directly into the data assimilation (DA). The...journal article 2022
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Zhang, D. (author), Ortiz, Marco A. (author), Bluyssen, P.M. (author)Because of COVID-19, the indoor environmental quality (IEQ) in sports facilities has been a concern to environmental health practitioners. To develop an overall understanding of the available guidelines and standards and studies performed on IEQ in sports facilities, an extensive literature study was conducted, with the aim of identifying: (1)...journal article 2022
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Roelofsen, C.P.G. (author)Door de coronapandemie is er weer volop aandacht voor de binnenluchtkwaliteit in scholen. Een grootschalige inventarisatie van de ventilatiesystemen in schoolgebouwen heeft de nodige manco’s aan het licht gebracht. Inmiddels zijn verschillende mogelijke oplossingen voorgesteld om de besmettingskans in lesruimten te verminderen. Een daarvan is...journal article 2021
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Lopez Restrepo, S. (author), Nino-Ruiz, Elias D. (author), Guzman-Reyes, Luis G. (author), Yarce, Andres (author), Quintero, O. L. (author), Pinel, Nicolas (author), Segers, Arjo (author), Heemink, A.W. (author)In this paper, we propose an efficient and practical implementation of the ensemble Kalman filter via shrinkage covariance matrix estimation. Our filter implementation combines information brought by an ensemble of model realizations, and that based on our prior knowledge about the dynamical system of interest. We perform the combination of...journal article 2021
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Law, Roger C. K. (author), Lai, Joseph H.K. (author), Edwards, David John (author), Hou, H. (author)Physical contact and respiratory droplet transmission have been widely regarded as the main routes of COVID-19 infection. However, mounting evidence has unveiled the risk of aerosol transmission of the virus. Whereas caution has been taken to avoid this risk in association with clinical facilities, facilities such as spa pools and Jacuzzis,...journal article 2021
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Armijos Moya, T.E. (author), Ottele, M. (author), van den Dobbelsteen, A.A.J.F. (author), Bluyssen, P.M. (author)Active plant-based systems are emerging technologies that aim to improve indoor air quality (IAQ). A person’s olfactory system is able to recognize the perceived odor intensity of various materials relatively well, and in many cases, the nose seems to be a better perceiver of pollutants than some equipment is. The aim of this study was to assess...journal article 2021
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Mertens, Mariano (author), Jöckel, Patrick (author), Matthes, Sigrun (author), Nützel, Matthias (author), Grewe, V. (author), Sausen, Robert (author)The recent COVID-19 pandemic with its countermeasures, e.g. lock-downs, resulted in decreases in emissions of various trace gases. Here we investigate the changes of ozone over Europe associated with these emission reductions using a coupled global/regional chemistry climate model. We conducted and analysed a business as usual and a...journal article 2021
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