The city of Elmsfield is using electronic sensors to collect data on traffic patterns, air pollution, and crime. This data is used to manage assets and resources more efficiently and in real time. Which of these terms would better define the data collected from the sensors in this scenario
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Answer:
Transport has a significant impact upon the environment in which we live. In general, these impacts can be divided under four broad headings: local air quality, climate change, noise and watercourse pollution [1], while the clean air is vital to human health. High levels of fine particulate (PM10) air pollution in 2005 were estimated to have caused 1,031 accelerated deaths and 1,088 respiratory hospital admissions in London [2]. The Mayor's Air Quality Strategy [3] was published in 2002 to deal with local air quality and its impact on health. And The Control of Dust and Emissions from Construction and Demolition Guidance [4] was issued in 2006. These documents are used to manage the complex issues of air pollution in London and to develop the London Olympic facilities for 2012 with the minimal impact on London's environment.
However, the volumes of particles and the oxidation of nitrogen in London are still higher than the limitations declared in the Air Quality Standards [5]. The major source of air pollution in London is road traffic emissions. The Environment Agency estimates that traffic sources account for over 97% of CO and 75% NOX emissions. Other notable contributions come from industrial plant and premises, domestic energy production, and construction activity.
In order to monitor the pollutants and analyze their effects to the environment, we developed Mobile Discovery Net (MoDisNet in short) to collect real time pollution data on key aspects of traffic conditions, emissions, ambient pollutant concentration and human exposure. The purpose is to develop the capability to measure, model and predict a wide range of environmental pollutants and hazards using a grid of pervasive roadside and vehicle/person-mounted sensors.
Explanation:
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Answer:
Given below is the answer
Explanation:
For traffic patterns:
Road traffic data is gathered using traffic sensors for signal control, and the gathered information is also provided to the Vehicle Information and Communication System Center (VICS Center).
By taking the place of pushbuttons and detecting pedestrians crossing the street to prolong the length of the green light, pedestrian sensors offer security for pedestrians.
These sensors use the reflection of ultrasonic waves sent from ultrasonic transmitters/receivers mounted right above the road to detect the presence of a vehicle. By using a consistent sensory function, they are employed to measure traffic volume and occupancy rates.
For air pollution:
There are various methods to gauge the quality of the air! There are many different air quality monitoring technologies in use right now, such as conventional reference-grade FRM/FEM monitors, mobile air quality sensors, stationary low-cost sensors, satellite monitoring technology, and alternative forms of monitoring. Some projects have even successfully used moss to identify point sources of air pollution. Start by considering the full spectrum of solutions that are offered before deciding which type or types of monitoring technology will be the best fit for a monitoring project or programme. This enables you to investigate the use cases for which each technology is most appropriate, as well as any unique benefits and drawbacks. The growing number of projects utilising several technologies, which is a method we call Air Quality Monitoring 2.0 — presents exciting possibilities for the future of the global air quality monitoring space.
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