Introduction

Tiwari, S.; Saxena, Pallavi

doi:10.1007/978-3-030-70509-1_1

Cited by 2 publications

(2 citation statements)

References 22 publications

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“…The International Organization for Standardization (ISO) provides a definition of what air pollution is, air pollution is a phenomenon in which certain substances enter the atmosphere as a result of human activity or natural processes, presenting sufficient concentrations for a sufficient period of time, and thus posing a threat to the comfort, health, and welfare of humans or the environment. [3] As shown in Figure 3, air pollution is closely related to people's health. In simple terms, atmospheric pollution can be described as substances in the atmospheric environment that can affect humans, other living organisms, and so on due to their various characteristics under certain conditions.…”

Section: Definition Of Air Pollutionmentioning

confidence: 99%

Analysis of the Causes of Urban Air Pollution, Measures To Solve It

2023

NEP

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In the process of urbanisation, the lack of attention to environmental issues has led to air pollution becoming more and more serious, with more and more cities experiencing haze and even extreme weather phenomena, posing a huge threat to people's health. Although more and more countries are paying attention to the problem of urban air pollution, they are still not receiving good results. This paper analyses the causes of urban air pollution from the perspective of industrial structure, urbanisation and other aspects, and proposes some measures to solve the problem.

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Section: Definition Of Air Pollutionmentioning

confidence: 99%

Analysis of the Causes of Urban Air Pollution, Measures To Solve It

2023

NEP

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“…Air pollution has emerged as a major environmental challenge in the urban centers of Nepal risking public health [1]. The air quality of these urban centers is degrading per year due to uncontrolled industrialization, urbanization, commercialization, and increased use of fossil fuel-powered vehicles in line with other cities of developing countries [2,3].…”

Section: Introductionmentioning

confidence: 99%

Air Pollution Airshed Map of the Chaurjahari Model City, Rukum West, Karnali, Nepal

Khatri,

Shrestha,

Regmi

2023

J. Nep. Phys. Soc.

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Chaurjahari area of the Rukum West District of the Karnali Province is one of the proposed model cities of the Government of Nepal, being developed to manage the unbalanced, rapid, haphazard, and uncontrolled urbanization in Nepal. While the model city plans to integrate physical, social, economic, and other anticipated urban facilities, no necessary thoughts on the protection of air quality seem to be given. The present study has been conceived to understand the meteorological implications of air pollution transport and the formation of pollutant fields over Chaurjahari City using weather and chemical transport modeling. The meteorological fields and pollution transport were simulated with the Advanced Weather Research and Forecasting (WRF-ARW) modeling system and an Eulerian Chemical Transport Model (CTM), respectively. The WRF simulated fields displayed a strong diurnal pattern with windless conditions throughout the early morning to late morning hours, whereas, strong winds accompanied the significant up and downndrafts in the afternoon. Similarly, the pollution dispersion simulation revealed that the city area remains stagnated blanketing the city area from early morning to noontime deteriorating air quality. However, in the afternoon time, local meteorological flows over the area generally organize pollutants transport towards the northern and northeastern high mountainous region reducing air pollution but risking deposition of pollutants in the mountain glaciers. Such deposition of pollutants over the mountains may accelerate the melting of glaciers and snow enhancing the effects of climate change.

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Introduction

Cited by 2 publications

References 22 publications

Analysis of the Causes of Urban Air Pollution, Measures To Solve It

Analysis of the Causes of Urban Air Pollution, Measures To Solve It

Air Pollution Airshed Map of the Chaurjahari Model City, Rukum West, Karnali, Nepal

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