Science topics: Travel
Science topic

Travel - Science topic

Aspects of health and disease related to travel. It includes the physiologic and psychologic beneficial or adverse effects of travel in general or with regard to specific diseases.
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Publications related to Travel (10,000)
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Chapter
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Forthcoming: This essay investigates four distinct altars of alienness constructed in/by India’s anglophone popular SF; it scans these alien artifacts that appear in Tashan Mehta’s “The Traveller” (2021), Anil Menon’s “Paley’s Watch” (2021), Gautam Bhatia’s “The List” (2021), and Vandana Singh’s “A Different Sea” (2021) in The Gollancz Book of Sout...
Article
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Online Travel Agents (OTAs) play an important intermediary role in the two-sided travel distribution market. A critical factor that enhances a firm's competitive advantage is innovation. Yet, the analysis of innovation in the OTA context is scarce. The main objective of this article is to fill this gap and examine the effect of OTA innovations on f...
Article
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Leisure travel within the European Union (EU) contributes significantly to the carbon footprint of global tourism. Distance travelled is a main factor in this impact, but some of its determinants remain unexplored. We examined the role of tourists' holiday preferences in shaping the carbon footprint of leisure travel within the EU by calculating de...
Chapter
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The COVID-19 pandemic has brought disruptive changes to society. In this chapter, we discuss how participation in activities and travel behavior choices have changed during the various stages of the pandemic through the analysis of data collected through multiple waves of surveys administered in 2020 in various regions of the United States. We pres...
Chapter
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This section offers an introduction to this book, Designing Smart and Resilient Cities for a Post-Pandemic World: Metropandemic Revolution. This chapter explains some of the past perceptions of future cities and the concepts and notions behind “smart cities”. The chapter then continues to discuss pandemics and the case of COVID-19. The chapter then...
Chapter
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The aim of this chapter is to explore how infrastructure and travel within and between smart cities may be affected by pandemics such as COVID-19 and what can be done to improve travelling during pandemics in the future. This chapter discusses the historical context of infrastructure and the spread of pandemics, and the subsequent need of promoting...
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Future visions of transport systems include both a drive towards automated vehicles and the need for sustainable, active, modes of travel. The combination of these requirements needs careful consideration to ensure the integration of automated vehicles does not compromise vulnerable road users. Transport networks need to be resilient to automation...
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Statistics indicate that alcohol consumption is heavily involved in tourism, with tourists likely to consume more alcohol than usual when visiting other countries. The risk of traffic collisions is also expected to increase when tourists are exposed to different traffic rules to those of their home country. To explore the crossing behaviors of drun...
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The research examines the implication of Nigeria’s lopsided land transport structure for performance and efficiency in the freight transport sector using the Lagos–Kano corridor as a case study. A comparative analysis of road and rail performance in freight transport using defined performance indicators shows that road transport performed better on...
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Violence against women and girls is a major public problem globally. This study had conducted to assess women and girls safety and security in public transport and identify factors contributing to violence in Hawassa city, Ethiopia. Data used in the study have been obtained from 199 randomly selected respondents (36.7% women and 63.3% girls), and i...
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COVID-19 imposed significant limitations upon the 2021 U.S. National Resident Matching Program (NRMP), most important of which is the replacement of traditional in-person interviews with a virtual format. To determine the strengths, limitations, and overall utility of virtual interviews (VIs) for residency applicant selection, a 14-question electro...
Conference Paper
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Ultrasonic communication is one of the frequently discussed communication technologies for connecting in-body nanosensors with out-of-body gateway systems. Such communication has even been explored in various experimental setups. Yet, the impact of mobility remains primarily unexplored, which is critical for in-body applications. This paper aims to...
Article
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Travel time is less costly if it is comfortable or can be used productively. One could hence argue that the value of travel time (VTT) of car travellers in economic appraisal should be differentiated by road type, reflecting differences in road quality. We explain the theoretical foundation for such a differentiation, review the relevant literature...
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Delta and Omicron variants of 2019-nCoV are still spreading globally, and many imported infections have been identified in China as well. In order to control the spread chain from imported to local, China has implemented the dynamic Covid-zero policy. In this article we summarized China’s governance models and practices of fighting potential import...
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Objectives This study developed an analytical framework that aims at understanding the evolutionary processes of a micro-mobility system (for example, bike-sharing), which offers insights into the transforming nature of a city transport system. Methods Firstly, the framework applied a Gaussian Mixture Model to examine the long-term fluctuations of...
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Connected vehicles enabled by communication technologies have the potential to improve traffic mobility and enhance roadway safety such that traffic information can be shared among vehicles and infrastructure. Fruitful speed advisory strategies have been proposed to smooth connected vehicle trajectories for better system performance with the help o...
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Our travel planner mobile application was designed to fit the traveling post to COVID-19 outbreak following the lean product process principle. We intend to develop a travel application that brings back the joy of traveling. The objective of this study is to design a travel planner application that satisfies the user’s needs. In the first stage of...
Article
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The existence of a critical traveling wave solution for a reaction-diffusion epidemic system with spatio-temporal delay is established, whose existence of super-critical traveling wave solutions is obtained in [Z. Zhen et al., Math. Method. Appl. Sci. 41 (2018) 7074-7098]. Meanwhile, the non-existence of traveling waves with non-positive speeds are...
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Recently, in Winnipeg, the implementation of new bus rapid transit (BRT) system in the middle of the COVID-19 pandemic has raised many concerns, challenging the rationale behind the untimely release. However, the new BRT service can benefit low-income, socio-economically vulnerable, and transit captive passengers who must travel to essential servic...
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This paper examines the performance of bus rapid transit (BRT) systems in over-crowded travel corridors. A case study of King Faisal Street in Greater Cairo Region GCR, Egypt, was adopted. A simulation model was developed using PTV VISSIM simulation platform for the study area. A data collection effort was exerted to collect operational traffic dat...
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An earthquake with a magnitude of 6.7 occurred in the Japan Sea off Yamagata on June 18, 2019. The mainshock had a source mechanism of reverse-fault type with a compression axis of WNW–ESE direction. Since the source area is positioned in a marine area, seafloor seismic observation is indispensable for obtaining the precise distribution of the afte...
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This work investigates the exact solutions of the Raman soliton model with anti-cubic nonlinear in optical metamaterials. By travelling wave transformation, the model is transformed into a singular planar dynamical system with three singular straight lines. Using the bifurcation theory of dynamical systems, under different parameter conditions, bif...
Article
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This study aims to reduce the misinterpretation and conceptual ambiguity of slow tourism and find the gaps between theory and practice. Multiple videos on a famous video-sharing platform are analyzed to comprehend travel broadcasters' perceptions and experiences. Textual mining with Leximancer is applied, and the findings are threefold. First, this...
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Real-Time Kinematic Precise Point Positioning (PPP–RTK) is inextricably linked to external ionospheric information. The PPP–RTK performances vary much with the accuracy of ionospheric information, which is derived from different network scales, given different prior variances, and obtained under different disturbed ionospheric conditions. This stud...
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Physical design studio has been the mainstream method of architectural pedagogy for more than a century. Although the past two decades have brought forth emerging possibilities via advancements in digital communication, Virtual Design Studio (VDS) remained an experimental novelty until 2020. The interruption of face-to-face educational activities s...
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In this paper we consider a breathing circle billiard which is described as a particle that travels inside a time-dependent circular domain and elastically reflecting from the boundary. Between collisions the particle moves with a constant speed along straight lines connecting the collision points.We showthat in high energy situation, the dynamics...
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This paper contributes to the literature on social stratification by analysing the role of internal migration as a possible channel for the intergenerational transmission of inequality. While internal migration is associated with social mobility, it can also be used as a strategy of status maintenance among graduates from privileged backgrounds. Th...
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Metro systems in megacities such as Beijing, Shenzhen, and Guangzhou are under great passenger demand pressure. During peak hours, it is common to see oversaturated conditions (i.e., passenger demand exceeds network capacity) and a popular control intervention is to restrict the entering rate by setting up out-of-station queueing with crowd control...
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Background The purpose of this study was to explore perceived changes in physical activity (PA) due to Covid19 stay-at-home and social distancing guidance among older adults. Methods Participants ( n = 1429, 77% female, 84% ≥60 years) living in Scotland completed an online survey in Summer 2020 measuring PA and wellbeing (indexed through lonelines...
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Background In early 2021, the SARS-CoV-2 lineage B.1.1.7 (Alpha variant) became dominant across large parts of the world. In Denmark, comprehensive and real-time test, contact-tracing, and sequencing efforts were applied to sustain epidemic control. Here, we use these data to investigate the transmissibility, introduction, and onward transmission o...
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Dispersive wave propagations are described by nonlinear models, such as regularized long waves and modified regularized long waves, where nonlinearity and dispersion are important aspects of wave evolution to model long-wave propagation in dispersive media with small amplitudes. In this article, solitary wave solutions to the formerly indicated non...
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The multiple traveling salesman problem (MTSP) is an extension of the traveling salesman problem (TSP). It is found that the MTSP problem on a three-dimensional sphere has more research value. In a spherical space, each city is located on the surface of the Earth. To solve this problem, an integer-serialized coding and decoding scheme was adopted,...
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Objective Main malaria diagnosis is based on microscopic examination combined with rapid diagnostic tests. Both methods have low sensitivity and specificity. Loop-mediated isothermal amplification techniques have shown a sensitivity similar to PCR but with lower times of performance. This study aimed to assess a commercial LAMP for the diagnosis of...
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Connection trips is often an important part of long-distance travel, especially for air travel. Models of long-distance travel would therefore benefit from a more detailed representation of the connection part. In this paper it is however shown that most models of connection trips are stand-alone models not integrated with the model for main mode....
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Improving bus travel time reliability can attract more commuters to use bus transit, and therefore reduces the share of cars and alleviates traffic congestion. This paper formulates a new bus travel time reliability metric that jointly considers two stochastic processes: the in-stop waiting process and in-vehicle travel time process, and the bus tr...
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This study was conducted to evaluate the association between psychological impacts of delay on commuters and three indictors of the rail transport real-time information. The case study experienced sporadic long delay and simultaneously imprecise real-time information. Three dependent variables related to the passenger information system (PIS) were...
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Background Free-fare public transport policies potentially increase walking to transport stops, but may replace other active travel modes with unknown effects on total active travel. We compared active travel behaviour of children living in a Finnish city with a free-fare public transport to a reference city. Methods Children were recruited from p...
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Background Up to April 2022, there were six waves of infection of coronavirus disease 2019 (COVID-19) in Japan. As the outbreaks continue to grow, it is critical to detect COVID-19’s clusters to allocate health resources and improve decision-making substantially. This study aimed to identify active clusters of COVID-19 in Nagasaki Prefecture and fo...
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In Iran, recently in large-scale projects, the science of value engineering has become very important and in order to show the significant impact of value engineering results in increasing efficiency and reducing the cost of projects, the reason for choosing this research. The experience of value engineering in the developed countries shows the sig...
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With the rapid growth of electric vehicles (EVs) in the past decade, many new traffic safety challenges are also emerging. With the crash data of Norway from 2011 to 2018, this study gives an overview of the status quo of EV crashes. In the survey period, the proportion of EV crashes in total traffic crashes had risen from zero to 3.11% in Norway....
Book
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Rabindranath Tagore (1861‒1941) was a prolific playwright with more than thirty plays to his credit. He is also known for his life-long, passionate engagement with theatre, first at Jorasanko and then at Santiniketan, in multiple roles as actor, director, singer, musician. However, during his own life-time and even after his demise, his experimenta...
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In this work, IBM, CMC, AMF, and McGill University work together to verify a simplified packaging scheme for Si-photonic devices based on incorporating IBM’s polymer photonic interface into AMF’s Si-photonic fabrication process flow. The proposed procedure is used in packaging an O-band Si-photonic traveling wave Mach-Zehnder modulator (TW-MZM) yie...
Article
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This paper implements a context-based text mining approach in online reviews of three European historic city districts, to assess the data-driven projection of experiences and major determinants of traveler satisfaction. Bivariate analyses, semantic networks of experience concepts, and word association statistics are used. Results are interpreted i...
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In the U.S., various anti-sprawl land use regulations have been implemented for over two decades. Previous studies primarily investigate the impacts of local land use regulations or neighborhood-level built environment attributes on travel behaviors within a narrow time frame. Through a different lens, this paper examines how various local land use...
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High numbers of harbor porpoises (Phocoena phocoena) end up as bycatch in gillnets every year. Acoustic alarms (pingers) have been demonstrated to be an efficient mitigation tool to prevent bycatch of this species; however, little is known about the behavioral reactions of wild porpoises to pingers. This knowledge is important for optimizing the de...
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Mixing process is crucial for ignition and combustion in powder-fueled ramjets. The mixing performance depends mainly on the inlet layout. In this study, the effects of four popular inlet layouts were investigated and were found to significantly influence the particle distribution. In this study, the Savitzky-Golay approach was used to handle large...
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This study solves an integrated operational problem regarding hierarchical service network design and passenger assignment for urban rail transit systems. We propose an innovative nonlinear programming model for determining the number of stocking trains at each depot, number of operating trains on each line, and line-based service frequency and cap...
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An electric vehicle, as the name suggests, runs purely on electricity provided by battery packs located under its floor. This electricity fuels the engine and converts electric power to mechanical motion. Accordingly, electric vehicles do not emit pollutants as no combustion process takes place within, making it an eco-friendly alternative to combu...
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The Jaulent–Miodek (JM) system is investigated analytically in this study. The JM equation comes with energy-dependent Schrödinger potential which is used in fluid dynamics, optics, condensed matter physics and engineering systems. As a result, it is critical to investigate this dynamical problem from a mathematical point of view. The generalized e...
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The Great East Japan Earthquake (GEJE) in March 2011 greatly changed the spatial pattern of energy use in Fukushima Prefecture. The previously nuclear-reliant energy policy has transformed, with energy now generated mainly by fossil fuels and renewable sources. The spatio-temporal variation of fossil fuel use and the major causes of these changes h...
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This study examines the factors affecting domestic households' tourism spending in India. The results from using the unconditional quantile regression method show that regular salary earners in India spend less on tourism. The likelihood of tourism spending increases with higher education. Female-headed households spend less on tourism than male-he...
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Transportation networks play a vital role in transporting goods and casualties immediately after an earthquake. Thus, identifying the most reliable and shortest path is critical for ensuring efficient emergency response and recovery after an earthquake; consequently, it is important to compute the reliability of transportation networks by simultane...
Conference Paper
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The paper presents a practical approach for planning trajectories for multiple vehicles where both collision avoidance and minimum travelling time are simultaneously considered. It is first proposed to exploit the mixed-integer programming (MIP) approach to formulate the collision avoidance paradigm, where the linear dynamic models are utilized to...
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Arguably, active travel (AT) is important for active aging. Using data from the Travel Survey of Xiamen Residents 2015 and geodata, this study develops a set of multilevel regression models to scrutinize the effect of the neighborhood-level built environment on three AT outcomes (daily AT propensity, frequency, and time) of older adults aged 60 yea...
Conference Paper
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A multi-modal transport system is acknowledged to have robust failure tolerance and can effectively relieve urban congestion issues. However, estimating the impact of disruptions across multi-transport modes is a challenging problem due to a dis-aggregated modelling approach applied to only individual modes at a time. To fill this gap, this paper p...
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In this study, improved Bernoulli sub-equation function method (IBSEFM) is presented to construct the exact solutions of the nonlinear conformable fractional Schrödinger-Hirota equation (FSHE). By using the traveling wave transformation FSHE turns into the ordinary differential equation (ODE) and by the aid of symbolic calculation software, new exa...
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This research aims to formulate strategies applied by accommodation service providers in West Sumatra in coping with the Covid-19 pandemic. The limitation in the mobilization or traveling that was imposed to break the chain of Covid-19 infection had brought the accommodation services on its knees in all regions including West Sumatra. Strategies fo...
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— CADIX C’EST FINI. I won't be able to go. Surgery on October 20, endemic pandemy, traveling is unsafe, the real flu is coming, and our monkey-ascendants are poxing us. Stay put! That will not be enough. The world has to get up to this new situation. COVID-19 revealed that social contact and collaboration should not be hampered by distance in space...
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The determination of standards in photographic sizes travels an interesting path from the beginnings of this art to the end of the 19th century. It was the measurement of the "daguerreotype plate", designed by Daguerre from copper sheets traditionally used by silversmiths and goldsmiths, which ended up being the central axis on which the rest of th...
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The target is the non-secular, non-seasonal, interannual ice-mass redistribution over the Antarctica continent, as observed by the satellite mission GRACE (Gravity Recovery and Climate Experiment) for the period from 2002 to 2016. We employ the empirical orthogonal function (EOF) and complex EOF (CEOF) methods on the GRACE monthly time-variable gra...
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Distance travelled is a crucial metric that underpins an animal’s ability to navigate in the short-range. While there is extensive research on how terrestrial animals measure travel distance, it is unknown how animals navigating in aquatic environments estimate this metric. A common method used by land animals is to measure optic flow, where the sp...