Abstract
Rapid urbanisation brings about increase in air pollution. These emissions are generally linked to the production of energy, to industrial activities and to transport in the densely inhabited areas. Estimating the pollutants quantities released in the air is an important stage in the evaluation of air quality. However, the problem of air pollution in urban areas is a problem in all Algerian cities. Similar to all Algerian big cities, the city of Batna has become a major urban area with an ever increasing fleet of motor vehicles most of which are practically old ones. This state of affairs increases the demand in fuel consumption and undeniably intensifies polluting emissions. As the situation goes, it has become the utmost urgency to wonder about a possible support that may be given to this sector in order to evaluate how air quality is managed in a durable way. The main objective of this study is to assess the quantity of CO2 pollutant known as the most significant greenhouse gas emission from traffic. The approach used is mainly based on a number of assumptions, which allows us to find the amount of 192 g/km/day CO2 released into the urban atmosphere of the city of Batna.
Highlights
Societies have witnessed greater industrial growth and disproportionate energy consumption which have brought about emission of greenhouse effect gas (GEG)
In the absence of any previous study that deals with this type of pollution in the city of Batna, this work aims at investigating the polluting emissions that are caused by road traffic and their impact on air quality in the city of Batna
This distribution shows clearly fluctuations between the years 2010 and 2013 which reflect the policies of the departments in charge of purchasing various types of vehicles. This shows that the fleet is on the increase in category, age and fuel type. This will allow us to highlight the influence of the old age of the fleet as well as the fuel that is used on the urban air quality through the following pollutants: CO2, CO, NOx, and the total airborne particles (TAP), which are pollutants with greenhouse effect
Summary
Societies have witnessed greater industrial growth and disproportionate energy consumption which have brought about emission of greenhouse effect gas (GEG). The multiple local plans in favour of a better air quality show that air in cities and rural areas has become one of the priorities within the local and national policies [3] This is because it is always in cities that a great pressure is exerted on the environment due to the very high consumption levels of resources which are essentially linked to car traffic and house heating [4] [5] and which, generate more important and very diversified air pollution. We should note that in urban environment, road transport activities are the first causes of air quality degradation [6]
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