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 …

Fine-particle water and pH in the southeastern United States

H Guo, L Xu, A Bougiatioti, KM Cerully… - Atmospheric …, 2015 - acp.copernicus.org
Particle water and pH are predicted using meteorological observations (relative humidity
(RH), temperature (T)), gas/particle composition, and thermodynamic modeling (ISORROPIA …

Impacts of local vs. trans-boundary emissions from different sectors on PM2. 5 exposure in South Korea during the KORUS-AQ campaign

J Choi, RJ Park, HM Lee, S Lee, DS Jo, JI Jeong… - Atmospheric …, 2019 - Elsevier
High concentrations of PM 2.5 have become a serious environmental issue in South Korea,
which ranked 1st or 2nd among OECD countries in terms of population exposure to PM 2.5 …

Source attribution of particulate matter pollution over North China with the adjoint method

L Zhang, L Liu, Y Zhao, S Gong, X Zhang… - Environmental …, 2015 - iopscience.iop.org
We quantify the source contributions to surface PM2. 5 (fine particulate matter) pollution over
North China from January 2013 to 2015 using the GEOS-Chem chemical transport model …

PM2. 5 source attribution for Seoul in May from 2009 to 2013 using GEOS-Chem and its adjoint model

HM Lee, RJ Park, DK Henze, S Lee, C Shim… - Environmental …, 2017 - Elsevier
Enforcement of an air quality standard for PM 2. 5 in the Seoul metropolitan area (SMA) was
enacted in 2015. From May to June of 2016, an international airborne and surface …

Global impact of mineral dust on cloud droplet number concentration

VA Karydis, AP Tsimpidi, S Bacer… - Atmospheric …, 2017 - acp.copernicus.org
The importance of wind-blown mineral dust for cloud droplet formation is studied by
considering (i) the adsorption of water on the surface of insoluble particles,(ii) particle …

Atmospheric nitrogen deposition to the northwestern Pacific: seasonal variation and source attribution

Y Zhao, L Zhang, Y Pan, Y Wang… - Atmospheric …, 2015 - acp.copernicus.org
Rapid Asian industrialization has led to increased downwind atmospheric nitrogen
deposition threatening the marine environment. We present an analysis of the sources and …

Development of the high-order decoupled direct method in three dimensions for particulate matter: enabling advanced sensitivity analysis in air quality models

W Zhang, SL Capps, Y Hu, A Nenes… - Geoscientific Model …, 2012 - gmd.copernicus.org
The high-order decoupled direct method in three dimensions for particulate matter (HDDM-
3D/PM) has been implemented in the Community Multiscale Air Quality (CMAQ) model to …

Detailed analysis of estimated pH, activity coefficients, and ion concentrations between the three aerosol thermodynamic models

X Peng, P Vasilakos, A Nenes, G Shi… - … science & technology, 2019 - ACS Publications
In this work, we utilize a rich set of simulated and ground-based observational data in
Tianjin, China to examine and compare the differences in aerosol acidity and composition …

ISORROPIA‐MCX: Enabling Sensitivity Analysis With Multicomplex Variables in the Aerosol Thermodynamic Model, ISORROPIA

B Berman, SL Capps, I Sauvageau… - Earth and Space …, 2023 - Wiley Online Library
Sensitivity analysis with atmospheric chemical transport models may be used to quantify
influences of specific emissions on pollutant concentrations. This information facilitates …