Thematische Bibliographien / Infrastructures de connectivité

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Auswahl der wissenschaftlichen Literatur zum Thema „Infrastructures de connectivité“

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Veröffentlicht am 28. September 2024

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Zeitschriftenartikel zum Thema "Infrastructures de connectivité"

St-Pierre, Danielle, Antoine Nappi, Sonia de Bellefeuille, Andrée-Anne Lévesque Aubé und Sylvie Martin. „La connectivité au-delà des frontières : Résolution 40-3 concernant la connectivité écologique, l’adaptation aux changements climatiques et la conservation de la biodiversité“. Connectivité et adaptation aux changements climatiques 143, Nr. 1 (28.11.2018): 8–11. http://dx.doi.org/10.7202/1054111ar.

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En août 2016, la Résolution 40-3 (Résolution concernant la connectivité écologique, l’adaptation aux changements climatiques et la conservation de la biodiversité) a été adoptée lors de la 40e Conférence annuelle des gouverneurs de la Nouvelle-Angleterre et des premiers ministres de l’Est du Canada. Par cette résolution, les gouverneurs et les premiers ministres reconnaissent l’importance de la connectivité écologique pour la capacité d’adaptation et la résilience des écosystèmes, de la biodiversité et des communautés humaines face aux changements climatiques. La résolution souligne également l’importance de collaborer par-delà les frontières afin de faire avancer les efforts de conservation et de rétablissement de la connectivité écologique. Les éléments abordés dans la résolution touchent notamment la conservation, la planification de l’utilisation du territoire, la gestion des ressources naturelles et la planification des infrastructures routières. La mise en oeuvre de cette résolution est assurée par un groupe de travail coprésidé par les gouvernements du Québec et du Vermont. D’ici 2020, les activités du groupe de travail viseront à favoriser la mise en oeuvre d’actions concrètes en matière de connectivité écologique.

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Gratton, Louise, und Jessica Levine. „L’initiative Staying Connected : pour reconnecter la nature et les humains par-delà les frontières“. Connectivité et adaptation aux changements climatiques 143, Nr. 1 (28.11.2018): 12–17. http://dx.doi.org/10.7202/1054112ar.

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L’initiative Staying Connected (SCI) est issue d’une collaboration binationale comptant plus de 55 partenaires américains et canadiens (départements et ministères responsables des transports et de la faune, universités et organismes de conservation). Depuis 2009, tous travaillent ensemble à préserver la connectivité du paysage à l’échelle de l’écorégion des Appalaches nordiques et de l’Acadie. Les partenaires de SCI mettent en oeuvre une approche multisectorielle visant à rendre les routes plus sécuritaires pour la faune et les usagers. Ils collaborent aux analyses spatiales afin d’identifier les segments de routes prioritaires au maintien de la connectivité, participent à la validation des endroits critiques où les animaux traversent les routes et contribuent au choix des infrastructures les mieux adaptées pour faciliter leur passage et réduire le nombre de collisions. L’accès pour la faune aux habitats situés de part et d’autre de l’emprise routière est assuré par la conservation des milieux naturels dans les corridors fauniques. Les mesures prises sont la protection des terres situées aux abords des routes, l’aménagement du territoire, la sensibilisation du public et le développement de politiques permettant de garantir la pérennité de ces investissements pour la connectivité.

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Bowden, Alison A., und Sara E. Burns. „Adapter les infrastructures afin de réduire les risques pour les personnes et d’améliorer la connectivité pour les poissons et la faune“. Le Naturaliste canadien 143, Nr. 1 (28.11.2018): 92–99. http://dx.doi.org/10.7202/1054123ar.

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Aux États-Unis, 96 % de la population vit dans un comté qui a connu un évènement météorologique déclaré catastrophe naturelle par le gouvernement fédéral au cours des dernières années. Le développement dans les zones inondables menace les côtes et les rivières. Cette menace est exacerbée par des ponceaux et autres infrastructures de franchissement de cours d’eau dimensionnés et conçus en fonction de l’utilisation préalable du territoire, souvent dans le seul objectif de diriger l’eau sous les routes. En revanche, les infrastructures naturelles ou inspirées par le fonctionnement de la nature (plaines inondables, passages de cours d’eau qui maintiennent la connectivité aquatique, etc.) peuvent être résilientes aux inondations et acheminer l’eau sous les routes, tout en offrant d’autres avantages, notamment pour la conservation des habitats du poisson et d’autres espèces fauniques. Au Massachusetts, les normes de conception des traverses de cours d’eau ont été changées en mettant l’accent sur une approche multi-objectifs de gestion des risques d’inondation (p. ex. intégrité de l’infrastructure existante, connectivité écologique). Quatre catégories de conditions-clés favorisent l’intégration d’approches basées sur la résilience climatique des milieux naturels : la réglementation; l’assistance technique et le financement; le suivi; et l’engagement communautaire. Nous présentons comment chacune a influencé la conception des passages aquatiques dans tout le Massachusetts.

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Monticone, Kateri. „Les corridors écologiques : un moyen d’adaptation aux changements climatiques“. Implication des municipalités et des communautés 143, Nr. 1 (28.11.2018): 107–12. http://dx.doi.org/10.7202/1054125ar.

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Sous les effets des changements climatiques (CC), il est démontré que les niches écologiques des espèces se déplaceront vers le nord au rythme de 45 km par décennie. À l’échelle continentale, la position géographique du Québec est déterminante dans l’adaptation aux CC. Afin d’atténuer les impacts des CC et favoriser l’adaptation des espèces, le maintien de corridors écologiques est jugé crucial. Les aires protégées et les habitats naturels devront être mieux connectés par des corridors axés sud-nord essentiels à la migration des espèces. Conservation de la nature Canada (CNC) travaille déjà à protéger des sites naturels de grande valeur écologique à l’échelle du pays; certains s’avèrent critiques au maintien de la connectivité écologique. Dans cette perspective, CNC propose, au Québec, une approche intégrée en partenariat avec les acteurs de la conservation dont les activités de sciences, de protection, d’aménagement du territoire, d’engagement des collectivités et d’adaptation des infrastructures routières permettent de consolider les efforts de conservation dans un contexte de CC. D’ici avril 2020, des plans d’intervention visant une concertation accrue entre les différents acteurs seront mis en place avec les partenaires locaux dans cinq zones critiques pour le maintien de la connectivité au Québec.

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Martinez Oliva, Juan Carlos. „On the Road: Connectivity infrastructures in Southeast Asia“. Journal of Infrastructure, Policy and Development 1, Nr. 1 (13.03.2017): 98. http://dx.doi.org/10.24294/jipd.v1i1.6.

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This paper considers the problems surrounding the implementation of road infrastructure plans in a policy perspective. As the main pillar of regional connectivity, road networks provide the link across national markets, foster strong and sustainable economic growth, help meeting people’sbasic needs, and promote trade and competiveness. It is argued that planning, implementing, and managing good transportation infrastructures poses a series of challenges that require competence, good governance, and the availability of funds. Such problems become more complex when road projects encompass different states and become transnational. The regional dimension of connectivity involves both opportunities and risks; a cooperative attitude by all parties is viewed as the best ingredient to achieve a positive balance. Since most countries cannot still rely on domestic resources, the paper stresses the role of virtuous policies in directing capital flows from abroad towards the infrastructural projects of Southeast Asia.

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Netirith, Narthsirinth, und Mingjun Ji. „Analysis of the Efficiency of Transport Infrastructure Connectivity and Trade“. Sustainability 14, Nr. 15 (04.08.2022): 9613. http://dx.doi.org/10.3390/su14159613.

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Analyzing the efficiency of transport infrastructure connectivity and trade in the Regional Comprehensive Economic Partnership (RCEP) is very important for regional integration for international trade in the RCEP. This study aims to significantly measure the efficiency of the connectivity of infrastructure in the RCEP for improving the performance of infrastructure connection and suggest the way to improve the connection of infrastructure. Therefore, the input and output variables of infrastructure connectivity have been inserted to achieve this objective. The inputs are: the number of ports, rail range, and road networks, the number of land borders, the number of maritime borders, number of cross border points, railway linkage with other countries, number of ports connected with railways, and the number of ports connected with road base on the “intermodal and multimodal concept”. On the other hand, the output factors most related to trade and economics are GDP, transport, import, and export volume. The paper applied DEA (Data Envelopment Analysis) model by using DEAP software to analyze the data. The result reveals that the efficiency of infrastructures connectivity and international trade in 10 countries were efficient and 5 countries were inefficient. The research study presents ways of development to improve the connectivity by investing in the basic infrastructures, such as increasing the logistics connection points and driving forward for international trade in the RCEP.

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Risimati, Brightnes, Trynos Gumbo und James Chakwizira. „Spatial Integration of Non-Motorized Transport and Urban Public Transport Infrastructure: A Case of Johannesburg“. Sustainability 13, Nr. 20 (17.10.2021): 11461. http://dx.doi.org/10.3390/su132011461.

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Sustainability of transport infrastructure integration begins with involving an all-inclusive transportation chain instead of only focusing on one part of the journey. This is achieved by facilitating spatial integration between diverse transport modalities to allow for a multiplicity of travel opportunities. This paper unpacks the extent of the spatial integration of non-motorized transport and urban public transport infrastructure within the city of Johannesburg in South Africa. Cycling activity datasets derived from Strava Metro and the spatial data of urban public transport infrastructures were collected to demonstrate existing spatial patterns and infrastructure connectivity. Exploratory spatial data analysis and focal statistics analysis were central in the data processing. The findings reveal that cycling activities are separated from urban public transport infrastructure, and the city of Johannesburg’s transport system is characterized by spatially fragmented commuting and cycling operations, with limited to no sharing of infrastructure. Most public transport stations are not easily accessible for non-motorized transport and are characterized by inadequate cycling facilities. In conclusion, the identification of an urban public transportation catchment area becomes essential for developing cities such as Johannesburg. This can be used as tool for planning infrastructural upgrades and forecasting potential public transport ridership while also assessing the impacts of investments in transit planning. There is thus a need to integrate motorized urban public transport and cycling infrastructural developments toward promoting multi-mobility and infrastructure sharing.

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Kende, Michael, Sonia Livingstone, Scott Minehane, Michael Minges, Simon Molloy und George Sciadas. „GLOBAL CONNECTIVTY REPORT 2022. CHAPTERS 3-4. ACCELERATING PROGRESS TOWARDS UNIVERSAL AND MEANINGFUL CONNECTIVITY & THE CRITICAL ROLE OF MIDDLE-MILE CONNECTIVITY“. SYNCHROINFO JOURNAL 8, Nr. 4 (2022): 22–32. http://dx.doi.org/10.36724/2664-066x-2022-8-4-22-32.

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The Global Connectivity Report 2022 takes stock of the progress in digital connectivity over the past three decades. It provides a detailed assessment of the current state of connectivity and how close the world is to achieving universal and meaningful connectivity, using a unique analytical framework. It goes on to showcase solutions and good practices to accelerate progress. The second part of the report consists of seven thematic deep dives on infrastructure, affordability, financing, the pandemic, regulation, youth, and data. Chapter 3 explores options to accelerate progress towards universal and meaningful connectivity. Expanding broadband networks is needed to eliminate the remaining blind spots and improve the quality of connectivity. Measures include reducing constraints on foreign direct investment to attract capital for upgrading and expanding digital infrastructure; ensuring sound ICT sector regulation to help build competitive markets and enhance predictability; promoting infrastructure sharing to reduce costs; ensuring the supply of adequate, inexpensive spectrum to help reduce coverage gaps; and ensuring sufficient capacity and a shift to new generations of mobile broadband. Solutions to ensure an adequate energy provision to power ICT infrastructure include policy incentives, reducing duties and taxes on green power equipment and allowing independent power producers. Chapter 4 explores the importance of middle-mile connectivity as countries develop digital economies – achieving better quality, lower costs and greater redundancy. The “middle mile” consists of infrastructure responsible for storing and exchanging data. It is an overlooked yet critical link in the connectivity chain, between international connectivity – or “first-mile” connectivity – and “last-mile” connectivity, made of the infrastructure that connects the users, which is hence more visible and tangible. The three key components of a domestic data infrastructure ecosystem are Internet exchange points (IXPs), data centres and cloud computing.

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R, Sunmathi, Tharun Teja G, Lakshmanaprakash S und Abirami A. „An Analysis of Verification Systems and Cybersecurity Dangers“. Journal of Cyber Security in Computer System 3, Nr. 1 (29.04.2024): 23–29. http://dx.doi.org/10.46610/jcscs.2024.v03i01.004.

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Global infrastructure provides all nations essential services such as Internet, electricity, banking, finance, public services, transportation, and water management. Each country has a distinct plan for critical infrastructure based on its sector. As IoT-based solutions become more prevalent, critical infrastructures require network and Internet access. As a result, critical systems within information networks are also vulnerable to cyber-attacks. Identifying possible cyber-attacks, developing defence tactics, and implementing preventative measures are critical. Protecting critical infrastructures from cyber-attacks is crucial nowadays. This paper examines current attacks on critical infrastructures. Security steps are addressed to prevent Internet protocol-based innovations. The IoT has enabled online connectivity for almost anything. The Internet of Things (IoT) refers to networked computing devices that may send data without human input. In contrast, the Internet is valuable; it can pose a significant cybersecurity risk to critical infrastructure.

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Sandee, Henry. „Infrastructure for Asian Connectivity“. Bulletin of Indonesian Economic Studies 49, Nr. 3 (Dezember 2013): 390–91. http://dx.doi.org/10.1080/00074918.2013.850648.

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Dissertationen zum Thema "Infrastructures de connectivité"

Girardet, Xavier. „Paysage & [et] infrastructures de transport : modélisation des impacts des infrastructures sur les réseaux écologiques“. Phd thesis, Université de Franche-Comté, 2013. http://tel.archives-ouvertes.fr/tel-01069242.

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Le développement d'infrastructures linéaires de transport conduit, à toutes les échelles, à une artificialisation du territoire et au morcellement du milieu naturel. La fragmentation du paysage est un processus spatial qui s'accompagne d'une diminution progressive de la connectivité entre les différents éléments nécessaires au bon déroulement des processus écologiques. Ainsi, le maintien d'un bon niveau de connectivité entre les habitats naturels, s'il est compatible avec les activités humaines, est devenu un enjeu majeur pour la préservation de la biodiversité. En mobilisant des méthodes empruntées à la théorie des graphes et à l'écologie du paysage, la thèse cherche à démontrer l'intérêt de la modélisation des réseaux écologiques par les graphes paysagers, dans l'analyse des impacts des infrastructures à l'échelle régionale. Cette démarche, fondée sur la modélisation, a permis de démontrer l'influence du réseau écologique du chevreuil dans la localisation des collisions entre les individus de cette espèce et les véhicules empruntant le réseau de la DIR est en Franche-Comté. Le travail a également permis de proposer un cadre méthodologique pour localiser l'impact potentiel de la branche est de la LGV Rhin-Rhône sur la distribution d'une espèce, et estimer la distance de perturbation de cette infrastructure. Enfin, deux démarches sont proposées pour évaluer quantitativement et hiérarchiser des aménagements afin d'éviter ou d'atténuer ces impacts. Les résultats montrent la pertinence de l'intégration des réseaux écologiques dans les études d'impacts des infrastructures de transport.

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Remon, Jonathan. „Connectivité fonctionnelle en paysage fragmenté : apport des données génétiques et démographiques pour étudier l'impact multi-spécifique des infrastructures linéaires de transport“. Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30327.

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La mise en place des réseaux de continuités écologiques dans les paysages nécessite l'estimation de la connectivité fonctionnelle, particulièrement lorsque ces paysages sont fragmentés par les Infrastructures Linéaires de Transport (ILT). Dans ce contexte, des suivis génétiques et démographiques ont été réalisé sur quatre espèces terrestres dans un paysage fragmenté par six types d'infrastructures en Dordogne, France. Les résultats ont montré qu'une part importante de la variabilité génétique (38 %) est expliquée par les ILT, qui agissent majoritairement comme des barrières à la dispersion. Cependant, les effets des ILT varient fortement d'une espèce à l'autre et peuvent, dans certains cas, agirent comme des éléments favorisant la dispersion. Par ailleurs, l'utilisation conjointe des outils de génétique du paysage et des suivis démographiques montre que selon l'approche utilisée, les résultats peuvent diverger. Ces deux approches devraient donc être davantage utilisées simultanément dans les études paysagères
Implementing networks of ecological continuities requires estimation of functional connectivity in landscapes. Particularly when those landscapes are fragmented by Large-scale Transportation Infrastructures (LTIs). In this context, four terrestrial species were monitored using genetic and demographic surveys across six LTIs in south-western France. The results showed that a significant amount of genetic variability was explained by LTIs (38%), that are mostly acting as dispersal barriers. However, LTI effects are variable depending on the species under study and, in some cases, they can even act as infrastructures enhancing dispersal. Furthermore, the combined use of genetic tools and demographic surveys showed that depending on the selected approach, results might differ. Therefore, these two approaches should be more used simultaneously in landscape surveys

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Pelay, Johan. „Garantir la cohérence applicative lors des changements de configuration réseau : étude de cas sur la connectivité dans les Software Defined Infrastructures“. Thesis, Rennes 1, 2020. http://www.theses.fr/2020REN1S001.

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Des solutions de vérification efficaces nous semblent indispensables afin d’assurer la continuité des services en place et le déploiement de nouveaux services dans les réseaux 5G. Cette problématique ne se limite pas aux techniques de vérification, nos travaux portent aussi sur la formalisation des besoins d'un service réseau complet. Nous avons travaillé sur un langage de programmation facilitant la vérification dans les contrôleurs SDN. Puis nous avons défini des contrats de comportement réseau afin de clarifier les propriétés à vérifier pour assurer le bon fonctionnement d'un service. Enfin nous avons étudié MANO pour proposer une extension du standard permettant de vérifier les configurations réseau au niveau de l'orchestrateur
We believe that effective verification solutions are essential to ensure the continuity of existing services and the deployment of new services in 5G networks. This problem is not limited to verification techniques, our work also concerns the formalization of needs of a complete network service. We worked on a programming language to facilitate verification in SDN controllers. Then we defined network behavior contracts to clarify the properties to be verified to ensure the proper functioning of a service. Finally, we studied MANO to propose an extension of the standard to check the network configurations at the orchestrator level

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Da, Piedade Sano Adéola Camille. „Essays on the competitiveness and export performance of African economies“. Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2024. http://www.theses.fr/2024UCFA0053.

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Avec une population dépassant les 1,4 milliard d'habitants, faisant ainsi de l'Afrique le deuxième continent le plus peuplé au monde après l'Asie, la contribution de ce continent au commerce mondial demeure modeste. La littérature économique identifie divers facteurs contribuant à la marginalisation des nations africaines dans le commerce mondial, notamment un déficit de compétitivité. S'appuyant sur la littérature existante et reconnaissant l'absence de solution universelle, cette thèse explore, à travers ses trois chapitres, les voies qu'offrent la compétitivité prix et hors prix pour une meilleure intégration des nations africaines au commerce mondial. Le premier chapitre s'intéresse à la mesure de la compétitivité des prix, en examinant spécifiquement la compétitivité du franc CFA à travers le prisme du taux de change d'équilibre comportemental (BEER) et de la parité du pouvoir d'achat (PPA). Une contribution notable réside dans la prise en compte des rentes naturelles, particulièrement importantes dans le contexte des pays africains. Les résultats soulignent des disparités entre les unions monétaires (UEMOA et CEMAC), les sous-périodes et les pays considérés. L'analyse des résultats en fin de la période 2014-2016 n'appelle pas à un réajustement de la parité. Le deuxième chapitre explore l'impact de la sous-évaluation des taux de change sur la survenue d'épisode d'accélérations de croissance des exportations de produits africains. L'analyse englobe une variété de produits d'exportation clés, tant primaires que manufacturés, avec une approche microéconomique unique adaptée à chaque produit. Sur la période 1995-2017, 96 épisodes sont identifiés pour 41 pays africains. Les estimations confirment que la sous-évaluation stimule significativement les poussées de croissance d'exportations des produits africains. Le troisième et dernier chapitre se concentre sur la compétitivité hors prix, en explorant les implications du déploiement rapide des câbles sous-marins le long des côtes africaines pour la sophistication du panier d'exportations des pays africains. A partir d'un échantillon de pays en développement, incluant 23 pays d'Afrique subsaharienne sur la période 1995-2017, les résultats indiquent que l'interconnectivité numérique améliore globalement la complexité des exportations. L'impact positif décroît avec l'accroissement des distances géographiques et maritimes par rapport aux marchés mondiaux, sauf en Afrique subsaharienne, où ces distances amplifient les avantages de l'interconnectivité numérique. Une exploration des mécanismes à l'origine du processus de sophistication des exportations induit par l'interconnectivité numérique a mis en évidence une augmentation des exportations de biens différenciés et une participation accrue aux chaînes de valeur mondiales
With a population of over 1.4 billion, making Africa the world's second most populous continent after Asia, its contribution to world trade remains modest. Economic literature identifies several factors contributing to the marginalization of African nations in world trade, including a lack of competitiveness. Drawing on the existing literature, and recognizing that there is no universal solution, this thesis explores, in three chapters, the ways in which price and non-price competitiveness can help African nations to integrate more fully into world trade. The first chapter looks at the measurement of price competitiveness, specifically examining the competitiveness of the CFA franc through the prism of the behavioral equilibrium exchange rate (BEER) and purchasing power parity (PPP). One notable contribution is the inclusion of natural rents, which are particularly important in African countries. The results highlight disparities between monetary unions (WAEMU and CEMAC), sub-periods and countries considered. Analysis of the results at the end of the 2014-2016 period does not call for a readjustment of parity. The second chapter explores the impact of undervalued exchange rates on the occurrence of episodes of accelerated growth in exports of African products. The analysis encompasses a variety of key export products, both primary and manufactured, with a unique microeconomic approach tailored to each product. Over the period 1995-2017, 96 episodes are identified for 41 African countries. Estimates confirm that undervaluation significantly stimulates growth surges in African export products. The third and final chapter focuses on non-price competitiveness, exploring the implications of the rapid deployment of submarine cables along African coasts for the sophistication of African countries' export baskets. Based on a sample of developing countries, including 23 Sub-Saharan African countries over the period 1995-2017, the results indicate that digital interconnectivity improves export sophistication overall. The positive impact decreases with increasing geographical and maritime distances from world markets, except in sub-Saharan Africa, where these distances amplify the benefits of digital interconnectivity. An exploration of the mechanisms underlying the process of export sophistication induced by digital interconnectivity highlighted an increase in exports of differentiated goods and greater participation in global value chains

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Bliss-Ketchum, Leslie Lynne. „The Impact of Infrastructure on Habitat Connectivity for Wildlife“. PDXScholar, 2019. https://pdxscholar.library.pdx.edu/open_access_etds/4832.

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While roads can present weak to complete barriers to wildlife, depending on the animal and traffic volume, mitigations such as under-crossings and green bridges on highways at least partially increase the permeability of the landscape to some of these species. The few studies evaluating the effectiveness of these structures for at least three years typically focused on a single species. Here, we monitored the crossing structure under Boeckman Road, in Wilsonville Oregon, for wildlife activity across summer seasons for ten years, since construction of the road and subsequent opening to traffic. This long-term multi-species dataset, which includes monitoring when the road was closed to traffic has provided a unique opportunity. Wildlife activity was collected using sand track pads monitored during summer seasons from 2009 to 2018. Wildlife activity showed a significant community level response from year to year and species-specific responses to year, vegetation change, disturbance, detection area, and previous experimental additions of artificial light. Roads create barriers to animal movement through collisions and habitat fragmentation. Investigators have attempted to use traffic volume, the number of vehicles passing a point on a road segment, to predict effects to wildlife populations approximately linearly and along taxonomic lines; however, taxonomic groupings cannot provide sound predictions because closely related species often respond differently. We assess the role of wildlife behavioral responses to traffic volume as a tool to predict barrier effects from vehicle-caused mortality and avoidance, to provide an early warning system that recognizes traffic volume as a trigger for mitigation, and to better interpret roadkill data. We propose four categories of behavioral response based on the perceived danger to traffic: Nonresponders, Pausers, Speeders, and Avoiders. By considering a species' risk-avoidance response to traffic, managers can make more appropriate and timely decisions to mitigate effects before populations decline or become locally extinct. Barriers to animal movement can isolate populations, impacting their genetic diversity, susceptibility to disease, and access to resources. Barriers to movement may be caused by artificial light, but few studies have experimentally investigated the effects of artificial light on movement for a suite of terrestrial vertebrates. Therefore, we studied the effect of ecological light pollution on animal usage of a bridge under-road passage structure. On a weekly basis, sections of the structure were subjected to different light treatments including no light added, followed by a Reference period when lights were off in all the structure sections. Findings suggest that artificial light may be reducing habitat connectivity for some species though not providing a strong barrier for others. Through the work conducted herein we provide contributions to the understanding of how elements of the built environment impact wildlife communities ability to move across the landscape. Additionally, we provide new tools to support resource managers in barrier mitigation and connectivity planning. Habitat fragmentation effects are a complex set of issues that require resources and collaboration to reach meaningful solutions. The work presented here can also support decision-making, communication, and collaborative efforts that will ultimately result in on-the-ground impacts to reduce fragmentation effects and mitigate existing barriers effectively to promote the long-term viability of wildlife and the systems they depend on.

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Bormpoudakis, Dimitrios. „Green infrastructure and landscape connectivity in England : a political ecology approach“. Thesis, University of Kent, 2016. https://kar.kent.ac.uk/56639/.

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'Conservation is about people, not just animals' argued Prince William in a letter to The Financial Times , written to gather support for ending ivory poaching and trading. This truism is often repeated by conservationists; we are frequently reminded that what we do - as humans - influences nature 'out there'. Nevertheless, conservation science often hesitates to interrogate what we do as organised human societies. Time and again, that leads to somewhat simplifying analyses of humanity's enormous power in shaping the whole Earth System -currently argued to surpass the power of geological forces. A case in point could be the isolation of corruption in Africa as the main driver for ivory market explosion in the last decade. Without considering the political-economy not just of ivory, but of the global-to-local societal organisation that allows for thousands of elephants and rhinos to be killed - for something of so low use-value such as ivory - little understanding can be shed on this alarming trend. I argue, and hope I have shown in this thesis, that we should aim towards enriching what conservation understands as its field of vision and allow the latter to encompass not just human and nonhuman nature and societies, as Prince William rightfully argues, but also the political and societal. I would be satisfied if by going through this thesis the reader would be convinced of just this argument. I am not claiming to be the first to identify this contradiction within conservation, but contra a sizeable number of scientists who work on similar subjects, I am normatively for conservation. A wealth of research has been published on conservation-society relationships that interrogates wider political, societal and economic constrains and opportunities as they relate to conservation. Usually though, research on what could be called critical conservation studies is (a) published in journals that conservationists do not read, and (b) is conducted by non-conservationists, often critical of conservation as a science and praxis per se. Thus all this wealth has little import to wider discussions about the future of conservation science and practice, and is even considered by conservationists as hostile to their agenda. I hope it is obvious from the above that I place this piece of research within the wide field of conservation science - despite drawing from a variety of disciplines. In essence, this piece of work looks at the relation between political-economic transformations and the way societies think about, manage and regulate nature. Geographically, my focus is on England, but with a sideways glance to developments at the EU level. Historically, the scope is circumscribed by two years: 1981, the year of the Toxteth riots in Liverpool, and 2015, the year I submitted. Naturally, in this country-wide, 24 year study I have not even attempted to include 'everything'. I focused on what after examination of empirical data I considered to be key moments and places in the evolution of English conservation. I begin with a section that introduces the reader into the area of study , followed and a brief literature-based summary of conservation in England from the beginning of the 20th century. The next three chapters should be read as a small trilogy that discusses the general trends in conservation policy and governance in the aftermath of the 2008 financial crisis (Chapter 3), followed by two smaller chapters (vignettes) that study post-financial crisis landscape scale conservation from: (a) a policy and governance perspective (Chapter 4); a use of science and scientific metaphors perspective (Chapter 5). The following two chapters try to reconstruct the where and when (geography and history are important) specific conservation policies and practices emerge, always in relation to economic and political changes. Chapter 6 is a genealogy of green infrastructure, from its emergence in the post-riot Liverpool landscape of 1981, to its current amalgamation with ecosystem services and monetary-valuation-of-nature milieu. Chapter 7 looks at biodiversity offsetting and argues that changing economic and transport geographies are crucial in understanding why biodiversity offsetting emerged as a solution to wildlife-development conflict in this instance and in the South East of England in particular. I conclude with a proposal for a new conservation that places utopia at the centre of its methodology (Chapter 8).

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Abdullah, Nayeem Mohammad. „Development of distributed generation infrastructure for microgrid connectivity to operational power systems“. FIU Digital Commons, 2010. http://digitalcommons.fiu.edu/etd/1099.

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Distributed Generation (DG) from alternate sources and smart grid technologies represent good solutions for the increase in energy demands. Employment of these DG assets requires solutions for the new technical challenges that are accompanied by the integration and interconnection into operational power systems. A DG infrastructure comprised of alternate energy sources in addition to conventional sources, is developed as a test bed. The test bed is operated by synchronizing, wind, photovoltaic, fuel cell, micro generator and energy storage assets, in addition to standard AC generators. Connectivity of these DG assets is tested for viability and for their operational characteristics. The control and communication layers for dynamic operations are developed to improve the connectivity of alternates to the power system. A real time application for the operation of alternate sources in microgrids is developed. Multi agent approach is utilized to improve stability and sequences of actions for black start are implemented. Experiments for control and stability issues related to dynamic operation under load conditions have been conducted and verified.

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Mahmoud, Noha Gamal El-Din Abdel Hamid Hassan. „Green infrastructure in a Middle Eastern environment : promoting social-ecological connectivity in Greater Cairo“. Thesis, University of Sheffield, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.554214.

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This thesis explores different meanings and practices of green infrastructure (GI). In particular. it examines the scope for GI in the Greater Cairo Region (GCR) of Egypt. In a number of countries. especially in North America and Europe, the nature of GI is increasingly \\e11 established and there have been some successful attempts at implementation. However practice in Egypt appears to be encountering a number of problems. These are principally associated with the aridity of the country (although it has a long tradition of irrigation from the Nile). weaknesses of planning and implementation procedures. rapid urbanisation and pressure for land. and weak integration of the green- space resource. However, there are also some promising opportunities associated with social and cultural functions of open space. recent planning visions. and a range of natural environmental assets. This thesis focuses on three main case studies in the GCR. Evidence is gathered through IKONOS GIS maps of Greater Cairo, interviews with specialists who have responsibilities for spatial planning either in academic or professional sectors in Egypt, site visits and critical interpretation of planning documents. The key findings concerning substantive aspects relate to GI concepts elements, and education. Primarily the findings indicate that there is potential for the GCR to be linked through a GI which integrates natural. ecological and social-cultural functions. They findings concerning procedural aspects emphasize the need to bridge the gaps between planning processes and organizations by considering G I as a fundamental layer in planning strategies. The findings also point to a need to change the traditional view of aridity as a negative feature into an advantageous aspect, particularly in Middle Eastern environments. The thesis concludes that improvements in both substantive and procedural aspects of landscape planning are necessary if the GCR is to have an effective GI.

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Cantone, Carolina. „Modelling sediment connectivity in Swedish catchments and application for flood prediction of roads“. Thesis, KTH, Mark- och vattenteknik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-190612.

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Climate changes are predicted to increase precipitation intensities and occurrence of extreme rainfall events in the near future. Scandinavia has been identified as one of the most sensitive regions in Europe to such changes; therefore, an increase in the risk for flooding, landslides and soil erosion is to be expected also in Sweden. An increase in the occurrence of extreme weather events will impose greater strain on the built environment and major transport infrastructures such as roads and railways. This research aimed to identify the risk of flooding at the road-stream intersections, crucial locations where water and debris can accumulate and cause failures of the existing drainage facilities. Two regions in southwest of Sweden affected by an extreme rainfall event in August 2014, were used for calibrating and testing a statistical flood prediction model. A set of Physical Catchment Descriptors (PCDs) including road and catchment characteristics was identified for the modelling. Moreover, a GIS-based topographic Index of Sediment Connectivity (IC) was used as PCD. The novelty of this study relies on the adaptation of IC for describing sediment connectivity in lowland areas taking into account contribution of soil type, land use and different patterns of precipitation during the event. A weighting factor for IC was calculated by estimating runoff calculated with SCS Curve Number method, assuming a constant value of precipitation for a given time period, corresponding to the critical event. The Digital Elevation Model of the study site was reconditioned at the drainage facilities locations to consider the real flow path in the analysis. These modifications led to highlight the role of rainfall patterns and surface runoff for modelling sediment delivery in lowland areas. Moreover, it was observed that integrating IC into the statistic prediction model increased its accuracy and performance. The calibrated model was then validated in another area, located in the central part of Sweden, affected by severe rainfall event in August 2004, in order to verify its robustness even in ungauged catchments.

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Ahlmer, Anna-Klara. „Integrating remotely sensed hydrologic parameters into an index of sediment connectivity“. Thesis, KTH, Hållbar utveckling, miljövetenskap och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235791.

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The expected increase in precipitation and temperature in Scandinavia, and especially short-time heavy precipitation, will increase the frequency of flooding. Urban areas are the most vulnerable, and specifically, the road infrastructure. The accumulation of large volumes of water and sediments on road-stream intersections gets severe consequences for the road drainage structures. The need for a tool to identify characteristics that impacts the occurrence of flooding, and to predict future event is thus essential. This study integrates the spatial and temporal soil moisture properties into the research about flood prediction methods. Soil moisture data is derived from remote sensing techniques, with focus on the soil moisture specific satellites ASCAT and SMOS. Furthermore, several physical catchments descriptors (PCDs) are used to identify catchment characteristics that are prone to flooding and an inventory of current road drainage facilities are conducted. Finally, the index of sediment connectivity (IC) by Cavalli, Trevisani, Comiti, and Marchi (2013) is implemented to assess the flow of water and sediment within the catchment. A case study of two areas in Sweden, Västra Götaland and Värmland, that was affected by severe flooding in August 2014 are included. The results show that the method with using soil moisture satellite data is promising for the inclusion of soil moisture data into estimations of flooding and the index of sediment connectivity.
De förväntade ökningarna i nederbörd och temperatur i Skandinavien, och speciellt extrem korttidsnederbörd, kommer att öka frekvensen av översvämningar. Urbana områden är de mest sårbara, och speciellt väginfrastrukturen. Ackumuleringen av stora volymer av vatten och sediment där väg och vattendrag möts leder till allvarliga konsekvenser för dräneringskonstruktionerna. Behovet av ett verktyg för att identifiera egenskaper som påverkar förekomsten av översvämningar, och för att förutsäga framtida händelser är väsentligt. Studien integrerar markfuktighet både rumsligt och tidsmässigt i forskningen om metoder för översvämningsrisker. Markfuktighetsdata är inkluderat från fjärranalysteknik, med fokus på de specifika satelliterna för markfuktighet, ASCAT och SMOS. Vidare är flertalet faktorer (PCDs) inkluderade för att identifiera egenskaper i avrinningsområden som är benägna till översvämning samt en inventering av nuvarande vägdräneringskonstruktioner. Slutligen är ett index med sediment connectivity (Cavalli et al., 2013) implementerat för att se flödet av vatten och sediment inom avrinningsområdet. En fallstudie med två områden i Sverige, Västra Götaland och Värmland, som drabbades av allvarliga översvämningar i augusti 2014 är inkluderat. Resultaten visar att metoden att använda markfuktighet från satellitdata är lovande för inkludering i uppskattningar av översvämningsrisk och i indexet med sediment connectivity.

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Bücher zum Thema "Infrastructures de connectivité"

Institute, Asian Development Bank, Hrsg. Infrastructure for Asian connectivity. Cheltenham, UK: Edward Elgar, 2012.

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Zhang, Yunling. Development of China's transportation infrastructure and international connectivity. Jakarta]: Economic Research Institute for ASEAN and East Asia, 2010.

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Pakistan) Pakistan-China-Iran : A Trident of Regional Connectivity (2017 Islāmābād. Pakistan-China-Iran : A Trident of Regional Connectivity, December 19, 2017: Seminor report. Islamabad: Institute of Strategic Studies, 2017.

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Universiti Brunei Darussalam. Institute of Asian Studies, Hrsg. One Belt-One Road initiative and ASEAN connectivity: Synergy issues and potentialities. Gadong: Institute of Asian Studies, Universiti Brunei Darussalam, 2017.

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Chettri, Mona, und Michael Eilenberg, Hrsg. Development Zones in Asian Borderlands. NL Amsterdam: Amsterdam University Press, 2021. http://dx.doi.org/10.5117/9789463726238.

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Development Zones in Asian Borderlands maps the nexus between global capital flows, national economic policies, infrastructural connectivity, migration, and aspirations for modernity in the borderlands of South and South-East Asia. In doing so, it demonstrates how these are transforming borderlands from remote, peripheral backyards to front-yards of economic development and state-building. Development zones encapsulate the networks, institutions, politics and processes specific to enclave development, and offer a new analytical framework for thinking about borderlands; namely, as sites of capital accumulation, territorialisation and socio-spatial changes.

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Li, Ping. "Yi dai yi lu" zhan lüe: Hu lian hu tong, gong tong fa zhan--neng yuan ji chu she shi jian she yu Ya Tai qu yu neng yuan shi chang yi ti hua = One belt, one road : connectivity and common development--energy infrastructure development and energy market integration in Asia-Pacific region. Beijing: Zhongguo she hui ke xue chu ban she, 2015.

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Bhattacharyay, Biswa, Masahiro Kawai und Rajat Nag. Infrastructure for Asian Connectivity. Edward Elgar Publishing, 2012. http://dx.doi.org/10.4337/9781781003138.

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Nag, Rajat M., Masahiro Kawai und Biswa Nath Bhattacharyay. Infrastructure for Asian Connectivity. Elgar Publishing Limited, Edward, 2014.

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Enhancing Connectivity through Transport Infrastructure. OECD, 2018. http://dx.doi.org/10.1787/9789264304505-en.

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Strusani, Davide, und Georges V. Houngbonon. Accelerating Digital Connectivity Through Infrastructure Sharing. International Finance Corporation, Washington, DC, 2020. http://dx.doi.org/10.1596/33616.

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Buchteile zum Thema "Infrastructures de connectivité"

Kararach, George. „Infrastructure and Connectivity“. In Development Policy in Africa, 98–121. London: Palgrave Macmillan UK, 2014. http://dx.doi.org/10.1057/9781137360595_5.

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Tianguo, Li. „Connectivity of infrastructure“. In Routledge Handbook of the Belt and Road, 178–81. Abingdon, Oxon ; New York, NY : Routledge, 2019. | Series: Routledge international handbooks: Routledge, 2019. http://dx.doi.org/10.4324/9780429203039-32.

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Lynn, Theo, Pierangelo Rosati, Edel Conway, Declan Curran, Grace Fox und Colm O’Gorman. „Infrastructure for Digital Connectivity“. In Digital Towns, 109–32. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-91247-5_6.

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AbstractThis chapter provides an overview of the growing body of evidence that now documents the positive impact of infrastructure for digital connectivity, as policymakers seek to harness its potential to drive economic development and improve standards of living. However, significant challenges continue to impede the delivery of comprehensive digital connectivity across all social groups and geographical contexts. As ever greater technological advances continue to shape our everyday lives, policymakers must ensure that the existing social and economic digital divide is not exacerbated. This chapter defines infrastructure for digital connectivity, as well as key concepts and terms. This is followed by a review of the economic impact of infrastructure for digital connectivity, most notably broadband, and a discussion of free and municipal Wi-Fi and rural digital hubs. The chapter concludes with an overview of how digital connectivity is measured in international frameworks and composite indices for measuring digital society and the digital economy.

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Kelly, Ashley Scott, und Xiaoxuan Lu. „Infrastructural Connectivity and Difference“. In Critical Landscape Planning during the Belt and Road Initiative, 87–125. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-4067-4_5.

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AbstractThis chapter, Infrastructural connectivity and difference, presents two strategic planning proposals dealing with “direct” impacts of the construction of the China-Laos Railway. Practices of “sustainable” development, in those practices’ approaches, however genuine, to physically and economically connect communities to new markets and generate new economies, disrupt preexisting modes of connectivity, whether socioeconomic, cultural or ecological. One proposal offers strategies to mitigate the socioecological impacts of temporary access roads built tends of kilometers into rural landscape to construct the China-Laos Railway, while the other proposal offers physical and organizational strategies for impacted agricultural communities to mitigate the disruption of irrigation networks, fragmented farmlands, issues of development transparency and uncertainty in compensation timelines. Through these proposals’ analyses and strategic deployment of connectivity and emphasis of cultural and ecological difference, they may help reform discourse on the assessment of cumulative impacts in the development process.

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Vagadia, Bharat. „Data Connectivity and Digital Infrastructure“. In Future of Business and Finance, 21–63. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-54494-2_3.

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Gong, Ding. „Thematic Session on Infrastructure Connectivity“. In Routledge Handbook of the Belt and Road, 390–93. Abingdon, Oxon ; New York, NY : Routledge, 2019. | Series: Routledge international handbooks: Routledge, 2019. http://dx.doi.org/10.4324/9780429203039-74.

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Roy, Suvendu. „Transportation Infrastructure and Geomorphic Connectivity“. In Disturbing Geomorphology by Transportation Infrastructure, 49–107. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-37897-3_3.

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Sengupta, Anita. „Infrastructural Development, Financial Institutions and Markets as New Realms of Connectivity“. In Europe-Asia Connectivity, 157–96. Singapore: Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-0236-7_5.

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Shrivastava, Shailesh Kumar, S. K. Mahendran und Amar Nath Pandey. „GIS Based Smart Energy Infrastructure Architecture and Revenue Administration“. In Digital Connectivity – Social Impact, 237–46. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-3274-5_19.

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Innocenti, Giorgio M. „Cortical Connectivity: The Infrastructure of Thoughts“. In Towards a Theory of Thinking, 337–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-03129-8_22.

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Konferenzberichte zum Thema "Infrastructures de connectivité"

Mohácsi, János. „KIFÜ nemzetközi együttműködései és projektjei“. In Networkshop. HUNGARNET Egyesület, 2021. http://dx.doi.org/10.31915/nws.2021.22.

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The professional work under the NIIF Program has been a key enabler for Hungarian research and education since 1986.The KIFÜ’s infrastructure is part of the GÉANT (European ICT Infrastructure) and EuroHPC and PRACE (European Supercomputing Infrastructure) infrastructures, multimedia information management, resource and service virtualization, federated authentication, etc. ensure effective and full connectivity with all European research institutions and researchers, including all European research infrastructures (ESFRI, ERIC and others). This paper presents the international cooperation and projects of the KIFÜ and the NIIF Program.

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Sukarev, Vidiin. „PRESERVE OF CULTURAL AND HISTORICAL HERITAGE DURING 1945-1989. A CONSTRUCTION OF PROSPECTIVE TOURIST RESOURCES“. In TOURISM AND CONNECTIVITY 2020. University publishing house "Science and Economics", University of Economics - Varna, 2020. http://dx.doi.org/10.36997/tc2020.214.

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In 2014 Plovdiv was elected for European capital of culture in 2019. This big international recognition of the contemporary city would be impossible without the contributions from the time of the Communist regime 1944-1989 when were created the bigger part of the modern urban infrastructure, the cultural institutions and many traditions in the cultural and intellectual life of the society. The present paper is focused mainly upon the preserve of the cultural and the historical heritage in conjunction with the tourist development. This short review presents both the achievements and the substantial problems with actual significance nowadays.

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Aleksandrova, Desislava. „MEDICAL FACILITIES AS A BASIS FOR THE DEVELOPMENT OF MEDICAL TOURISM“. In TOURISM AND CONNECTIVITY 2020. University publishing house "Science and Economics", University of Economics - Varna, 2020. http://dx.doi.org/10.36997/tc2020.408.

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An increased number of countries are practising Medical tourism. The market is large, and the demand is continuously growing. The main characteristics of medical tourism are in the process of continuous development. Geographical proximity is an essential factor, but it is not decisive for the patient's choice. The criteria for acceptable practices in medical tourism, as well as in healthcare in general, are the achievement of excellent treatment, excellent service, and overall a comprehensive tourism product of high quality for consumers. The products offered under the concept of "medical tourism" represent a wide range of practices and procedures in the field of medicine and tourism services. The main criteria that the suppliers of this product meet are the availability and development of appropriate infrastructure and superstructure, including specialized superstructure, qualified staff, excellent technical support and good service.

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Rafailova, Genka, und Antonio Hadzhikolev. „ASSESSMENT OF SMART EXPERIENCE OF TOURISTS AND LOCAL CITIZENS IN TOURIST DESTINATION“. In TOURISM AND CONNECTIVITY 2020. University publishing house "Science and Economics", University of Economics - Varna, 2020. http://dx.doi.org/10.36997/tc2020.563.

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The concept of smart city is used for development of smart destination with purpose of achieving competitive advantages and enhancing the quality of experience for tourists and quality of life for local citizens. There are wide accepted characteristics of smart tourist destination such as built smart infrastructure, smart technologies application as well as criteria for defining smartness of destination as digitalization, accessibility and mobility. But the main focus of development of smart destination is the creation of smart experience and smart business environment. That stresses the importance of assessment of how tourists and local citizens appreciate their experience. The aim of this paper is to present a model for study and assessment of smart experience of tourists and local citizens in tourist destination. The model is applied in tourist destination Varna. Results of conducted research of tourists and local citizens' view and acceptance, based on their experience, are presented.

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Mensah, Pernelle, Samuel Dubus, Wael Kanoun, Christine Morin, Guillaume Piolle und Eric Totel. „Connectivity extraction in cloud infrastructures“. In 2017 13th International Conference on Network and Service Management (CNSM). IEEE, 2017. http://dx.doi.org/10.23919/cnsm.2017.8256010.

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Andión Jiménez, Javier, José Manuel Navarro González, Manuel Álvarez-Campana Fernández-Corredor und Juan Carlos Dueñas López. „A passive, non-intrusive, cheap method to identify behaviours and habits in the Campus“. In XIII Jornadas de Ingenieria Telematica - JITEL2017. Valencia: Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/jitel2017.2017.6570.

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Infrastructure usage discovery, positioning and analysis of behaviors of its users, usually requires a collection of accurate and frequent positioning data. This paper shows how a network of inexpensive and non-intrusive sensors can serve to perform this kind of analysis by detecting devices with wifi connectivity. We are able to obtain the hours of use of the infrastructures, the occupation of the different areas at each moment and some of the most common users' behaviours.

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Schmitt, Paul, und Elizabeth Belding. „Navigating connectivity in reduced infrastructure environments“. In LIMITS '16: Workshop on Computing within Limits. New York, NY, USA: ACM, 2016. http://dx.doi.org/10.1145/2926676.2926691.

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Hamouda, Ossama, Mohamed Kaaniche, Erling Matthiesen Moller, Jakob Gulddahl Rasmussen und Hans-Peter Schwefel. „Connectivity dynamics in vehicular freeway scenarios“. In 2009 Global Information Infrastructure Symposium (GIIS). IEEE, 2009. http://dx.doi.org/10.1109/giis.2009.5307090.

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Mensah, Pernelle, Samuel Dubus, Wael Kanoun, Christine Morin, Guillaume Piolle und Eric Totel. „Connectivity graph reconstruction for networking cloud infrastructures“. In 2017 IEEE 16th International Symposium on Network Computing and Applications (NCA). IEEE, 2017. http://dx.doi.org/10.1109/nca.2017.8171337.

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Capacci, Luca, und Fabio Biondini. „Effects of Structural Deterioration and Infrastructure Upgrading on the Life-cycle Seismic Resilience of Bridge Networks“. In IABSE Conference, Kuala Lumpur 2018: Engineering the Developing World. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2018. http://dx.doi.org/10.2749/kualalumpur.2018.0340.

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<p>The life-cycle seismic resilience of aging bridges and road transportation networks is investigated considering the long-term effects of bridge structural deterioration and network upgrading interventions under uncertainty. The proposed methodology is applied to a highway network with spatially distributed reinforced concrete (RC) bridges exposed to chloride-induced corrosion and different earthquake scenarios. A new road segment including a bridge is added over the lifetime to strengthen the network connectivity and improve the system resilience. The results show the detrimental effects of structural deterioration at the network scale and the benefits of infrastructure investments for network upgrading to enable long-term resilient infrastructures.</p>

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Berichte der Organisationen zum Thema "Infrastructures de connectivité"

Coyner, Kelley, und Jason Bittner. Automated Vehicles and Infrastructure Enablers: Connectivity. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, Juni 2023. http://dx.doi.org/10.4271/epr2023013.

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<div class="section abstract"><div class="htmlview paragraph">Do connected vehicle (CV) technologies encourage or dampen progress toward widespread deployment of automated vehicles? Would digital infrastructure components be a better investment for safety, mobility, and the environment? Can CVs, coupled with smart infrastructure, provide an effective pathway to further automation? Highly automated vehicles are being developed (albeit slower than predicted) alongside varied, disruptive connected vehicle technology. </div><div class="htmlview paragraph"><b>Automated Vehicles and Infrastructure Enablers: Connectivity</b> looks at the status of CV technology, examines the concerns of automated driving system (ADS) developers and infrastructure owners and operators (IOOs) in relying on connected infrastructure, and assesses lessons learned from the growth of CV applications and improved vehicle-based technology. IOOs and ADS developers agree that cost, communications, interoperability, cybersecurity, operation, maintenance, and other issues undercut efforts to deploy a comprehensive connected infrastructure.</div><div class="htmlview paragraph"><a href="https://www.sae.org/publications/edge-research-reports" target="_blank">Click here to access the full SAE EDGE</a><sup>TM</sup><a href="https://www.sae.org/publications/edge-research-reports" target="_blank"> Research Report portfolio.</a></div></div>

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Puig Gabarró, Pau. Digital Connectivity: The Infrastructure of the Future. Inter-American Development Bank, Mai 2020. http://dx.doi.org/10.18235/0002352.

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Bliss-Ketchum, Leslie. The Impact of Infrastructure on Habitat Connectivity for Wildlife. Portland State University Library, Januar 2000. http://dx.doi.org/10.15760/etd.6708.

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Okala, Odiraa. The Power of Connectivity: Exploring the Role of Mobility Infrastructure. Orange Sparkle Ball, Juli 2023. http://dx.doi.org/10.61152/dtui5808.

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Hayashi, Tadateru, Sanchita Basu Das, Manbar Singh Khadka, Ikumo Isono, Souknilanh Keola, Kenmei Tsubota und Kazunobu Hayakawa. Economic Impact Analysis of Improved Connectivity in Nepal. Asian Development Bank, November 2020. http://dx.doi.org/10.22617/wps200312-2.

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This study estimates and analyzes the economic impact of ongoing and future infrastructure development projects in Nepal by using the geographical simulation model developed by the Institute of Developing Economies (IDE-GSM). The IDE-GSM is a computational general equilibrium model based on spatial economics. The simulation analysis reveals that ongoing infrastructure development projects in Nepal benefit the country’s economy, and that the planned connectivity improvement with India will have positive impact with anticipated major shift in mode of transport for trade. The study takes into consideration efforts by the Government of Nepal to promote and strengthen international connectivity under the South Asia Subregional Economic Cooperation framework.

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Husar, Arndt, Yoonee Jeong und John Garrity. Cross-Sector Infrastructure Co-deployment: Closing Digital Connectivity Gaps through Collaboration and Sharing. Asian Development Bank, Juli 2023. http://dx.doi.org/10.22617/wps230262-2.

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Infrastructure co-deployment between sectors is an effective and proven strategy to expand infrastructure service coverage and reduce the costs of deployment. However, in practice, suboptimal levels of infrastructure co-deployment exist because of various market, institutional, and regulatory barriers. This Asian Development Bank Sustainable Development Working Paper details the tools for gauging the potential beneficial impacts of co-deployment, highlights recent examples and good practices, and presents recommendations for multilateral development banks to consider in their own infrastructure projects and for providing guidance and direction to governments.

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Kunz, Johannes S., Carol Propper und Trong-Anh Trinh. The Impact of Internet Access on COVID-19 Spread in Indonesia. Asian Development Bank, April 2024. http://dx.doi.org/10.22617/wps240232-2.

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This study examines the impacts of 3G internet connectivity on COVID-19 case rates across districts in Indonesia. By analyzing geographical variations in mobile internet access and employing lightning strikes as an instrumental variable, the study establishes a causal link between improved internet connectivity and reduced transmission of COVID-19. The findings suggest that investments in digital infrastructure might be a crucial and effective tool in pandemic prevention and response.

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Meem, Fatma Zaman, und Wahid bin Ahsan. Urban Community Strategies: Enhancing Neighborhood Connectivity and Sustainability for Resilient Cities. Userhub, Mai 2024. http://dx.doi.org/10.58947/wxkf-ktds.

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This study investigates the mechanisms of neighborhood relations and the challenges affecting neighborhood connectivity in urban communities. It examines factors contributing to declining neighborhood connections, such as lack of sincerity, absence of belonging, busy lifestyles, design issues, and the pervasive impact of mobile phones. The role of architects and urban planners in promoting connectivity through policies and design strategies is analyzed, alongside government initiatives like town meetings and community engagement. Emphasizing the importance of community leaders, neighborhood clubs, regular gatherings, and accessible spaces, the study also explores the potential of social media and technology in fostering community connections. Finally, it highlights the significance of architectural practices, such as diverse housing options, well-designed public spaces, pedestrian-friendly infrastructure, and sustainable design, in creating vibrant and connected neighborhoods.

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Lambermont, Serge, und Niels De Boer. Unsettled Issues Concerning Automated Driving Services in the Smart City Infrastructure. SAE International, Dezember 2021. http://dx.doi.org/10.4271/epr2021030.

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Information and communication technology is fundamentally changing the way we live and operate in cities, such as instant access to events, transportation, bookings, payments, and other services. At the same time, three “megatrends” in the automotive industry—self-driving, electrification, and advanced manufacturing technology—are enabling the design of innovative, application-specific vehicles that capitalize on city connectivity. Applications could countless; however, they also need to be safe and securely integrated into a city’s physical and digital infrastructure, and into the overall urban ecosystem. Unsettled Issues Concerning Automated Driving Services in the Smart City Infrastructure examines the current state of the industry, the developments in automated driving and robotics, and how these new urban, self-driving city applications are different. It also analyzes higher level challenges for urban applications. Ultimately, this report includes several options for sharing lessons learned among different cities and their stakeholders.

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García Zaballos, Antonio, Pau Puig Gabarró und Enrique Iglesias Rodriguez. Digital Infrastructure in Trinidad and Tobago: Analysis, Challenges, and Action Plan. Inter-American Development Bank, Februar 2022. http://dx.doi.org/10.18235/0003997.

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This document presents an analysis of the state of digital connectivity in Trinidad and Tobago and an action plan to close the existing gap between the countries of Latin America and the Caribbean and those of the Organisation for Economic Co-operation and Development. There is also a large gap within the country between urban, densely populated regions and rural, remote, or difficult-to-access regions. Among the impediments to closing the gap are: lack of investment in infrastructure in the most remote areas; limited bandwidth of citizens, institutions and companies that are far from this infrastructure; and lack of competition among internet companies. The government is making efforts in the areas of a universal service fund, spectrum management, and the formulation of the national ICT plan to improve access conditions in the country. Finally, the document estimates the investment gap in the region and in Trinidad and Tobago specifically.

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