The acidity of atmospheric particles and clouds

HOT Pye, A Nenes, B Alexander, AP Ault… - Atmospheric …, 2020 - acp.copernicus.org
Acidity, defined as pH, is a central component of aqueous chemistry. In the atmosphere, the
acidity of condensed phases (aerosol particles, cloud water, and fog droplets) governs the …

Earth, wind, fire, and pollution: Aerosol nutrient sources and impacts on ocean biogeochemistry

DS Hamilton, MMG Perron, TC Bond… - Annual Review of …, 2022 - annualreviews.org
A key Earth system science question is the role of atmospheric deposition in supplying vital
nutrients to the phytoplankton that form the base of marine food webs. Industrial and …

Sulfate formation is dominated by manganese-catalyzed oxidation of SO2 on aerosol surfaces during haze events

W Wang, M Liu, T Wang, Y Song, L Zhou, J Cao… - Nature …, 2021 - nature.com
The formation mechanism of aerosol sulfate during wintertime haze events in China is still
largely unknown. As companions, SO2 and transition metals are mainly emitted from coal …

Mid-Pleistocene links between Asian dust, Tibetan glaciers, and Pacific iron fertilization

J Zan, BA Maher, T Yamazaki, X Fang, W Han… - Proceedings of the …, 2023 - pnas.org
Increasing Asian dust fluxes, associated with late Cenozoic cooling and intensified
glaciations, are conventionally thought to drive iron fertilization of phytoplankton productivity …

Air pollution by NO2 and PM2.5 explains COVID-19 infection severity by overexpression of angiotensin-converting enzyme 2 in respiratory cells: a review

B Paital, PK Agrawal - Environmental Chemistry Letters, 2021 - Springer
Many major cities that witnessed heavy air pollution by nitrogen dioxide (NO 2) and
particulate matter (PM) have experienced a high rate of infection and severity of the …

Fine particle pH during severe haze episodes in northern China

M Liu, Y Song, T Zhou, Z Xu, C Yan… - Geophysical …, 2017 - Wiley Online Library
Aerosol acidity plays an important role in atmospheric chemistry. China emits large amounts
of SO2, NOx, and NH3 into the atmosphere, but aerosol acidity is poorly characterized. In …

Multiphase buffer theory explains contrasts in atmospheric aerosol acidity

G Zheng, H Su, S Wang, MO Andreae, U Pöschl… - Science, 2020 - science.org
Aerosol acidity largely regulates the chemistry of atmospheric particles, and resolving the
drivers of aerosol pH is key to understanding their environmental effects. We find that an …

Fine particle pH and gas–particle phase partitioning of inorganic species in Pasadena, California, during the 2010 CalNex campaign

H Guo, J Liu, KD Froyd, JM Roberts… - Atmospheric …, 2017 - acp.copernicus.org
pH is a fundamental aerosol property that affects ambient particle concentration and
composition, linking pH to all aerosol environmental impacts. Here, PM 1 and PM 2. 5 pH …

Ocean fertilization by pyrogenic aerosol iron

A Ito, Y Ye, C Baldo, Z Shi - Npj Climate and Atmospheric Science, 2021 - nature.com
Aerosols supply bioaccessible iron to marine biota which could affect climate through
biogeochemical feedbacks. This paper review progresses in research on pyrogenic aerosol …

pH of aerosols in a polluted atmosphere: source contributions to highly acidic aerosol

G Shi, J Xu, X Peng, Z **ao, K Chen… - … science & technology, 2017 - ACS Publications
Acidity (pH) plays a key role in the physical and chemical behavior of PM2. 5. However,
understanding of how specific PM sources impact aerosol pH is rarely considered …