Results 21 to 30 of about 2,581,817 (334)

Seasonal, Weekly, and Diurnal Black Carbon in Moscow Megacity Background under Impact of Urban and Regional Sources

open access: yesAtmosphere, 2022
Moscow megacity has a big gap in assessment of air quality, resulting in severe aerosol pollution. Black carbon (BC) concentrations over different timescales, including weekly and diurnal, are studied during four seasons of 2019–2020 at urban background ...
Olga Popovicheva   +4 more
doaj   +1 more source

Modelling Effects of Land Use Changes on Traffic Based on Proposed Traffic Simulator [PDF]

open access: yesComputational Engineering and Physical Modeling, 2019
In this paper, a traffic simulator is designed in order to investigate the travel demand based on GIS data and analysis. In order to evaluate the proposed simulator, four different scenarios are provided for the arrangement of land use services. In first
Mostafa Jabbari, Saeed Behzadi
doaj   +1 more source

Air Quality Sensor Networks for Evidence-Based Policy Making: Best Practices for Actionable Insights

open access: yesAtmosphere, 2022
(1) Background: This work evaluated the usability of commercial “low-cost” air quality sensor systems to substantiate evidence-based policy making. (2) Methods: Two commercially available sensor systems (Airly, Kunak) were benchmarked at a regulatory air
Jelle Hofman   +12 more
doaj   +1 more source

Statistical Traffic State Analysis in Large-scale Transportation Networks Using Locality-Preserving Non-negative Matrix Factorization [PDF]

open access: yes, 2012
Statistical traffic data analysis is a hot topic in traffic management and control. In this field, current research progresses focus on analyzing traffic flows of individual links or local regions in a transportation network.
Han, Yufei, Moutarde, Fabien
core   +5 more sources

In Their Own Words…

open access: yesAnti-Trafficking Review, 2018
The Editors approached service providers members of the Global Alliance Against Traffic in Women (GAATW) with a request to speak to people who are using their services and ask them about the difficulties they are currently facing, their hopes for the ...
Global Alliance Against Traffic in Women (GAATW)
doaj   +1 more source

Analysis of marine conflicts [PDF]

open access: yes, 2006
The traffic conflict technique (TCT) is a powerful technique applied in road traffic safety assessment as a surrogate of the traditional accident data analysis. It has subdued the conceptual and implemental weaknesses of the accident statistics. Although
Begoña Martinez de Tejada   +7 more
core   +3 more sources

Measuring Traffic

open access: yesStatistical Science, 2007
Published in at http://dx.doi.org/10.1214/07-STS238 the Statistical Science (http://www.imstat.org/sts/) by the Institute of Mathematical Statistics (http://www.imstat.org)
Bickel, Peter J.   +5 more
openaire   +4 more sources

The Quality of the Atmospheric Environment during Periods of Confinement Due to COVID-19 in the Attica Basin

open access: yesEnvironmental Sciences Proceedings, 2023
Based on ground-based measurements, the impact on air pollution over the Greater Athens Area (GAA) due to the two public lockdown periods (first lockdown period: 23 March 2020 until 3 May 2020; second lockdown period: 7 November 2020 until 2 May 2021) in
Ilias Jbeily, Konstantinos Moustris
doaj   +1 more source

The result of an evaluation for traffic flow characteristics considering the movement of personal mobility equipment by modeling a road traffic section

open access: yesВестник СибАДИ, 2022
Introduction. Today there is an acute problem of increasing the number of accidents involving personal mobility devices (PMD). A sharp increase in these vehicles on public roads poses a threat to both vehicle drivers and pedestrians.Materials and methods.
A. A. Jung, A. G. Shevtsova
doaj   +1 more source

Association Between Traffic Count and Cardiovascular Mortality: A Prospective Cohort Study in Taiwan

open access: yesJournal of Epidemiology, 2021
Background: Exposure to traffic-related pollution is positively associated with cardiovascular diseases (CVD), but little is known about how different sources of traffic pollution (eg, gasoline-powered cars, diesel-engine vehicles) contribute to CVD ...
Wen-Chi Pan   +6 more
doaj   +1 more source

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