Chemical evolution of rainfall in China's first eco-civilization demonstration city: Implication for the provenance identification of pollutants and rainwater acid …

J Zeng, G Han, Q Wu, M Peng, X Ge, S Mao… - Science of The Total …, 2024 - Elsevier
Rainfall chemistry is a vital indicator for reflecting anthropogenic/natural input on
atmospheric quality, and the rainfall process is also the main sink of air contaminants, which …

Significant influence of urban human activities and marine input on rainwater chemistry in a coastal large city, China

J Zeng, G Han, Q Wu, R Qu, Q Ma, J Chen, S Mao… - Water Research, 2024 - Elsevier
The coastal urban region is generally considered an atmospheric receptor for terrestrial and
marine input materials, and rainfall chemistry can trace the wet scavenging process of these …

Determining rainwater chemistry to reveal alkaline rain trend in Southwest China: Evidence from a frequent-rainy karst area with extensive agricultural production

J Zeng, FJ Yue, SL Li, ZJ Wang, Q Wu, CQ Qin… - Environmental …, 2020 - Elsevier
Rainwater chemistry plays an important role in the earth-surficial ecosystem, but studies on
rainwater chemical composition of karst agro-ecosystem are rare. To explore the rainwater …

Phase-wise analysis of the COVID-19 lockdown impact on aerosol, radiation and trace gases and associated chemistry in a tropical rural environment

CD Jain, BL Madhavan, V Singh, P Prasad… - Environmental …, 2021 - Elsevier
Phase-wise variations in different aerosol (BC, AOD, PM 1, PM 2.5 and PM 10), radiation
(direct and diffused) and trace gases (NO, NO 2, CO, O 3, SO 2, CO 2 and CH 4) and their …

Vertical and spatial distribution of elevated aerosol layers obtained using long-term ground-based and space-borne lidar observations

G Gupta, MV Ratnam, BL Madhavan, P Prasad… - Atmospheric …, 2021 - Elsevier
In this study, long-term ground-based and space-borne lidar measurements are used to
understand the vertical (surface to 30 km) and spatial distribution of aerosols. First, the …

Is the atmospheric boundary layer altitude or the strong thermal inversions that control the vertical extent of aerosols?

P Prasad, G Basha, MV Ratnam - Science of The Total Environment, 2022 - Elsevier
It is well known that the atmospheric boundary layer (ABL) plays a significant role in
controlling the variability of atmospheric constituents such as aerosols and trace-gases …

Major ions and potentially toxic elements in atmospheric precipitation during the COVID-19 lockdown in Moscow megacity

D Vlasov, N Kasimov, I Eremina, G Shinkareva… - Urban Climate, 2023 - Elsevier
For the first time, the change in the physicochemical properties, ions composition,
concentrations, and ratio of soluble and insoluble potentially toxic elements (PTEs), as well …

Local emission and long-range transport impacts on the CO, CO2, and CH4 concentrations at a tropical rural site

CD Jain, V Singh, STA Raj, BL Madhavan… - Atmospheric …, 2021 - Elsevier
Local emission and long-range transport impacts on the observed concentrations (dry air
mole fractions) of CO, CO 2, and CH 4 have been investigated using three years (April 2016 …

Evolution and determinants of precipitation chemistry in a plateau city, China: Insight from the pollutants source identification and environmental effect

J Zeng, G Han, Q Wu, Q Ma, S Mao, X Ge, ZJ Wang… - Urban Climate, 2024 - Elsevier
Rainfall-related chemical ions deposition processes have important environment effects on
earth-surface, which is also a vital sink of urban air pollutants. Therefore, identifying the …

Aerosol classification using fuzzy clustering over a tropical rural site

AS Krishnaveni, BL Madhavan, MV Ratnam - Atmospheric Research, 2023 - Elsevier
Exact knowledge on the types of aerosols present over a region is very important in the
radiative forcing estimates. Several techniques are available to classify aerosols, which …