Tropospheric column O3 and NO2 over the Indian region observed by Ozone Monitoring Instrument (OMI): Seasonal changes and long-term trends

LM David, PR Nair - Atmospheric Environment, 2013 - Elsevier
Monthly mean tropospheric column O3 and NO2 retrieved from Ozone Monitoring Instrument
on board Aura for the period December 2007 to November 2008 have been analysed to …

Long-term variations of air quality influenced by surface ozone in a coastal site in India: association with synoptic meteorological conditions with model simulations

R CT, SK MK, V KT - Atmosphere, 2020 - mdpi.com
Atmospheric ozone (O3) in the surface level plays a central role in determining air quality
and atmospheric oxidizing capacity. In this paper, we review our comprehensive results of …

Understanding the spatiotemporal variability and trends of surface ozone over India

RK Kunchala, BB Singh, RK Karumuri, R Attada… - … Science and Pollution …, 2022 - Springer
With rising anthropogenic activities, surface ozone levels have increased across different
parts of the world including India. Previous studies have shown that surface ozone shows …

Surface ozone in the Doon Valley of the Himalayan foothills during spring

N Ojha, I Girach, K Sharma, P Nair, J Singh… - … Science and Pollution …, 2019 - Springer
Elevated ozone (O 3) pollution is observed every spring over the Northern Indian region
including the Himalayan foothills, with a maximum typically in the month of May. However …

On the understanding of surface ozone variability, its precursors and their associations with atmospheric conditions over the Delhi region

RK Kunchala, R Attada, RK Vellore, VK Soni… - Atmospheric …, 2021 - Elsevier
The present study investigates the variability of surface ozone (O 3) and its precursors (NO
X, CO) at different time scales for 3-year period (2016–2018) using continuous ground …

Variations in O3, CO, and CH4 over the Bay of Bengal during the summer monsoon season: shipborne measurements and model simulations

IA Girach, N Ojha, PR Nair, A Pozzer… - Atmospheric …, 2017 - acp.copernicus.org
We present shipborne measurements of surface ozone (O 3), carbon monoxide (CO), and
methane (CH 4) over the Bay of Bengal (BoB), the first time such measurements have been …

Analysis of source distribution of high carbon monoxide events using airborne and surface observations in Korea

S Li, S Kim, H Lee, ST Kenea, JE Kim, CY Chung… - Atmospheric …, 2022 - Elsevier
Carbon monoxide (CO) is a key tracer of anthropogenic pollution, and it indirectly affects
climate change. Anmyeon-do (AMY, 36.54° N, 126.33° E), a World Meteorological …

Ozone chemistry and dynamics at a tropical coastal site impacted by the COVID-19 lockdown

IA Girach, N Ojha, SS Babu - Journal of Earth System Science, 2021 - Springer
The nationwide lockdown in India to curb the spread of Coronavirus disease 2019 (COVID-
19) led to colossal reduction in anthropogenic emissions. Here, we investigated the impact …

Assessment of tropospheric ozone at an industrial site of Chennai megacity

S Mohan, P Saranya - Journal of the Air & Waste Management …, 2019 - Taylor & Francis
This paper presents the temporal variation in surface-level ozone (O3) measured at
Gummidipoondi near Chennai, Tamilnadu. The site chosen for the present study has high …

[HTML][HTML] Atmospheric gas-phase composition over the Indian Ocean

S Tegtmeier, C Marandino, Y Jia… - Atmospheric …, 2022 - acp.copernicus.org
Abstract The Indian Ocean is coupled to atmospheric dynamics and chemical composition
via several unique mechanisms, such as the seasonally varying monsoon circulation …