[HTML][HTML] Developments in the investigation of nitrogen and oxygen stable isotopes in atmospheric nitrate

S Saud, S Fahad, S Hassan - Sustainable Chemistry for Climate Action, 2022 - Elsevier
Under the influence of human activities and the rapid development of industry and
agriculture, atmospheric nitrate (NO− 3) pollution is becoming increasingly serious and has …

Paleo-perspectives on potential future changes in the oxidative capacity of the atmosphere due to climate change and anthropogenic emissions

B Alexander, LJ Mickley - Current Pollution Reports, 2015 - Springer
The oxidizing capacity of the atmosphere, defined as the global mean tropospheric
abundance of the hydroxyl radical (OH·), strongly influences air pollution by controlling the …

Isotopic constraint on the twentieth-century increase in tropospheric ozone

LY Yeung, LT Murray, P Martinerie, E Witrant, H Hu… - Nature, 2019 - nature.com
Tropospheric ozone (O3) is a key component of air pollution and an important
anthropogenic greenhouse gas. During the twentieth century, the proliferation of the internal …

Stable isotope analyses of precipitation nitrogen sources in Guiyang, southwestern China

XY Liu, HW **ao, HY **ao, W Song, XC Sun… - Environmental …, 2017 - Elsevier
To constrain sources of anthropogenic nitrogen (N) deposition is critical for effective
reduction of reactive N emissions and better evaluation of N deposition effects. This study …

The introduction of nitrogen from coal into the surface watershed nitrogen cycle due to coal mining activity

Q Li, L An, P Wu, S Wang, S Gu, Y Yuan, Y Fu - Science of The Total …, 2023 - Elsevier
Human activity has doubled the turnover rate of the terrestrial nitrogen cycle, leading to a
series of environmental problems. A little-studied nitrogen source in terrestrial and aquatic …

[HTML][HTML] The SP19 chronology for the South Pole Ice Core–Part 1: volcanic matching and annual layer counting

DA Winski, TJ Fudge, DG Ferris, EC Osterberg… - Climate of the …, 2019 - cp.copernicus.org
Abstract The South Pole Ice Core (SPICEcore) was drilled in 2014–2016 to provide a
detailed multi-proxy archive of paleoclimate conditions in East Antarctica during the …

Factors controlling variability in the oxidative capacity of the troposphere since the Last Glacial Maximum

LT Murray, LJ Mickley, JO Kaplan… - Atmospheric …, 2014 - acp.copernicus.org
The oxidative capacity of past atmospheres is highly uncertain. We present here a new
climate–biosphere–chemistry modeling framework to determine oxidant levels in the present …

Nitrogen isotopes in ice core nitrate linked to anthropogenic atmospheric acidity change

L Geng, B Alexander, J Cole-Dai… - Proceedings of the …, 2014 - National Acad Sciences
Nitrogen stable isotope ratio (δ15N) in Greenland snow nitrate and in North American
remote lake sediments has decreased gradually beginning as early as∼ 1850 Christian …

Isotopic constraints on sources, production, and phase partitioning for nitrate in the atmosphere and snowfall in coastal East Antarctica

G Shi, C Li, Y Li, Z Chen, M Ding, H Ma, S Jiang… - Earth and Planetary …, 2022 - Elsevier
Atmospheric samples and snowfall collected in coastal East Antarctica over two years are
used to investigate the sources, production of atmospheric nitrate (NO 3−) and its link with …

Isotopic evidence of multiple controls on atmospheric oxidants over climate transitions

L Geng, LT Murray, LJ Mickley, P Lin, Q Fu, AJ Schauer… - Nature, 2017 - nature.com
The abundance of tropospheric oxidants, such as ozone (O3) and hydroxyl (OH) and peroxy
radicals (HO2+ RO2), determines the lifetimes of reduced trace gases such as methane and …