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Book
Comment mesurer l'exposition individuelle aux polluants atmosphériques ? : Premier retour sur le projet Polluscope
Authors: ---
ISBN: 2706153466 Year: 2022 Publisher: [Place of publication not identified] : Presses universitaires de Grenoble,

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Transition environnementale Une série de la collection « Virus de la recherche »Face à l'urgence climatique et aux défis environnementaux, les scientifiques se mobilisent !Placée sous l'égide du conseil scientifique « Capitale verte et transition », cette nouvelle série d'e-books propose des articles inédits signés par des chercheurs de tous horizons : sciences, sciences de la terre, sciences de l'ingénieur et sciences humaines et sociales.En lien avec les missions du conseil scientifique - qui rassemble près de 40 chercheurs de toutes les disciplines - ces textes courts visent à faire circuler les connaissances sur la question des transitions environnementales et de leurs impacts.Tout au long de l'année 2022, les publications de la série viendront ponctuer la réflexion menée dans le cadre de la labellisation « Capitale verte européenne » attribuée par la Commission européenne au territoire grenoblois. Chaque mois, une nouvelle thématique sera traitée - le climat, l'air, l'énergie, les mobilités, l'alimentation, les villes, etc.Les scientifiques sont des gens passionnés. Leurs textes dévoilent leur savoir et nous éclairent sur les controverses qui nourrissent ces sujets, exposant les ressorts sensibles du métier de chercheur - ses tâtonnements, ses doutes, ses énigmes mais aussi ses espoirs.Bonne lecture à tous ! The World Health Organization (WHO) estimates that exposure to air pollution leads to approximately 7 million premature deaths each year worldwide. In September 2021, the WHO lowered the recommended thresholds for exposure to pollutants: we now have sufficient data showing that the harmful effect on health of pollutants occurs at concentrations well lower than those initially estimated.This is how the annual threshold for NO 2 (nitrogen dioxide), a gas mainly from automobile traffic, was reduced by a factor of 4 (from 40 µg.m −3 to 10 µg.m −3 ) and that a new 24-hour guideline has been established (25 µg.m −3 ). The threshold values ​​for particle levels have also been reduced from 10 µg.m −3 to 5 µg.m −3 in annual value, and from 25 µg.m −3 to 15 µg.m −3 on average over 24 hours for PM2.5 (particles with a diameter less than 2.5 µm).With these new recommendations, we see that nearly 95% of Ile-de-France residents were exposed to exceeding the NO 2 threshold value in 2020 and 100% to the new PM2.5 threshold value (Airparif, 2021).


Digital
Transactions on Large-Scale Data- and Knowledge-Centered Systems XLIV : Special Issue on Data Management – Principles, Technologies, and Applications
Authors: --- --- ---
ISBN: 9783662622711 Year: 2020 Publisher: Berlin, Heidelberg Springer

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The LNCS journal Transactions on Large-Scale Data- and Knowledge-Centered Systems focuses on data management, knowledge discovery, and knowledge processing, which are core and hot topics in computer science. Since the 1990s, the Internet has become the main driving force behind application development in all domains. An increase in the demand for resource sharing (e.g., computing resources, services, metadata, data sources) across different sites connected through networks has led to an evolution of data- and knowledge-management systems from centralized systems to decentralized systems enabling large-scale distributed applications providing high scalability. This, the 44th issue of Transactions on Large-Scale Data- and Knowledge-Centered Systems, contains six fully revised and extended papers selected from the 35th conference on Data Management - Principles, Technologies and Applications, BDA 2019. The topics covered include big data, graph data streams, workflow execution in the cloud, privacy in crowdsourcing, secure distributed computing, machine learning, and data mining for recommendation systems.


Book
Transactions on Large-Scale Data- and Knowledge-Centered Systems XLIV
Authors: --- --- --- ---
ISBN: 9783662622711 Year: 2020 Publisher: Berlin, Heidelberg Springer Berlin Heidelberg :Imprint: Springer

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