Advances in Meteorology

Advances in Meteorology / 2014 / Article
Special Issue

Air Pollution, Air Quality, and Climate Change

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Editorial | Open Access

Volume 2014 |Article ID 983426 | https://doi.org/10.1155/2014/983426

Sachin D. Ghude, Pavan S. Kulkarni, D. M. Chate, Mrinal Biswas, Samir Pokhrel, Anne Boynard, "Air Pollution, Air Quality, and Climate Change", Advances in Meteorology, vol. 2014, Article ID 983426, 2 pages, 2014. https://doi.org/10.1155/2014/983426

Air Pollution, Air Quality, and Climate Change

Received28 May 2014
Accepted28 May 2014
Published06 Jul 2014

The introduction of gases and particulate contaminants in the atmosphere due to natural or human activities causes air pollution. The concentration and toxicity of these contaminants define air quality and in the long term contribute to climate change. Both air pollution and climate change influence each other through complex interactions in the atmosphere. This issue has 9 very interesting manuscripts, touching various aspects of air pollution and air quality and their impact on climate change.

Five out of nine articles deal with aerosols studies and their contribution to air pollution, radiative transfer, and cloud properties. B. P. Singh et al. studied the effect of burning of crackers and fireworks during festive season of Diwali on aerosol properties. They found significant increase in the aerosol optical depth, aerosol absorption coefficients, and aerosol scattering coefficients during affected period as compared to nonaffected periods. S. Tiwari et al. analyzed interannual and intraseasonal variability of aerosols, particularly fine mode particles (PM2.5) at a dense traffic intersection and in the vicinity of a thermal power plant in the megacity of Delhi, India. They observed that during the study period PM2.5 concentration exceeds Indian National Ambient Air Quality Standards (NAAQS) on significant number of days. They also found the strong influence of different seasons and meteorological parameters on the concentration of PM2.5. A. S. Panicker et al. used satellite data to study the effect of aerosols on UV erythemal dose over megacities of Delhi, Mumbai, Kolkata, and Chennai in India. S. N. Pereira et al. analyzed time series of aerosol absorption coefficient over Evora, Portugal. They observed a strong annual cycle in aerosol absorption coefficient with high values during winters compared to summers. They noted that it may have resulted due to the combination of several factors, with emphasis on use of biomass (wood) burning for domestic heating during winters and lower boundary layer height restricting atmospheric dispersion of aerosols. W.-S. Jung et al. analyzed satellite data to study the seasonal variability of aerosol-cloud properties and aerosol indirect effect over four different regions in Korean Peninsula during the period 2000–2009. They also estimated aerosol indirect effect for summer monsoon period to find the role in modulating precipitation. S. Dipu et al. used zenith sky transmittance and surface radiation measurements to improve the retrieval of cloud microphysical parameters and found them in good agreement with the satellite data. D. M. Lal et al. used satellite data of lightning flashes and cloud ice size during the period 2000–2012 to study the interrelation between the two. They observed that total lighting increases with increase in the cloud ice size and attends maximum at certain optimum cloud ice size and after that lightning decreases with increasing cloud ice size. S. K. Kharol et al. in their manuscript reported long-term rainfall trends during summer monsoon over six major Indian cities. They also analyzed the variation in precipitation in the upwind and downwind directions to study the urban forcing and dynamics. F. B. Vicente et al. studied the effect of wildfires in Mexico and estimated total yearly emissions of CO2 in Mexico during the period 1999–2010 due to wildfires.

Through this special issue on air pollution, air quality, and climate change, we tried to bring forth the current issues in the field of air pollution and climate change.

Sachin D. Ghude
Pavan S. Kulkarni
D. M. Chate
Mrinal Biswas
Samir Pokhrel
Anne Boynard

Copyright © 2014 Sachin D. Ghude et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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