A study on variation of atmospheric pollutants over Bhubaneswar during imposition of nationwide lockdown in India for the COVID-19 pandemic

S Panda, C Mallik, J Nath, T Das… - Air Quality, Atmosphere & …, 2021 - Springer
The nationwide lockdown in India to flatten the pandemic COVID-19 curve has resulted in
the reduction of anthropogenic emission sources to a great extent. This study reports change …

Seasonal progression of surface ozone and NOx concentrations over three tropical stations in North-East India

B Tyagi, J Singh, G Beig - Environmental Pollution, 2020 - Elsevier
Monitoring of surface ozone (O 3) and Nitrogen Oxides (NOx) are vital for understanding the
variation and exposure impact of these trace gases over the habitat. The present study …

Changes in tropospheric ozone concentration over Indo-Gangetic Plains: the role of meteorological parameters

S Payra, P Gupta, A Sarkar, R Bhatla… - … and Atmospheric Physics, 2022 - Springer
This study seeks to understand and quantify the changes in tropospheric ozone (O3) in
lower troposphere (LT), middle troposphere (MT) and upper middle troposphere (UMT) over …

Variability of tropospheric columnar NO2 and SO2 over eastern Indo-Gangetic Plain and impact of meteorology

D Ghosh, S Lal, U Sarkar - Air Quality, Atmosphere & Health, 2017 - Springer
Long-term analyses of monthly mean tropospheric NO 2 and SO 2 were performed over a
period of January 2005 to December 2014, around few industrial areas (power plant …

Chemical kinetics of near-surface ozone at a suburban location in India

VK Sagar, AL Kanchana, RK Nayak… - Frontiers in …, 2023 - frontiersin.org
The spatial gradient in near-surface ozone (O3) is controlled by its production, sink, and net
transport (advection/convection and diffusive) in the atmosphere. In this work, we used …

Analysis of the photochemical production of ozone using tropospheric ultraviolet-visible (TUV) radiation model in an Asian megacity

D Ghosh, U Sarkar - Air Quality, Atmosphere & Health, 2016 - Springer
A study of surface layer ozone (O 3) and its primary precursors (NO x= NO+ NO 2) was
carried out at Kolkata (22° 33′ N, 88° 30′ E), an urban site in eastern India from October …

Information theoretic study of the ground-level ozone and its precursors over Kolkata, India, during the summer monsoon

G Chattopadhyay, SK Midya… - Iranian Journal of Science …, 2021 - Springer
The present paper reports a study on the dependence of tropospheric ozone on some of its
precursors, namely NOx, PM10, and SO2 during summer monsoon over a highly polluted …

[HTML][HTML] Influences of boundary layer phenomena and meteorology on ambient air quality status of an urban area in eastern India

S Dey, S Gupta, A Chakraborty, P Sibanda - Atmósfera, 2018 - scielo.org.mx
Monitoring and analyses of various air pollutants like particulate matter (PM 10), sulphur
dioxide (SO 2), nitrogen dioxide (NO 2), ozone (O 3), carbon monoxide (CO) and ammonia …

Analysis of ambient formaldehyde in the eastern region of India along Indo-Gangetic Plain

D Ghosh, U Sarkar, S De - Environmental Science and Pollution Research, 2015 - Springer
Ambient levels of formaldehyde (HCHO) were measured in the tropical urban mega city of
Kolkata from July 2012 to April 2014, based on USEPA Compendium Method TO-11A using …