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Quantification of atmospheric ammonia concentrations: A review of its measurement and modeling
Ammonia (NH3), the most prevalent alkaline gas in the atmosphere, plays a significant role
in PM2. 5 formation, atmospheric chemistry, and new particle formation. This paper reviews …
in PM2. 5 formation, atmospheric chemistry, and new particle formation. This paper reviews …
Identifying ammonia hotspots in China using a national observation network
The limited availability of ammonia (NH3) measurements is currently a barrier to
understanding the vital role of NH3 in secondary aerosol formation during haze pollution …
understanding the vital role of NH3 in secondary aerosol formation during haze pollution …
Assessing contributions of agricultural and nonagricultural emissions to atmospheric ammonia in a Chinese megacity
Ammonia (NH3) is the predominant alkaline gas in the atmosphere contributing to formation
of fine particles—a leading environmental cause of increased morbidity and mortality …
of fine particles—a leading environmental cause of increased morbidity and mortality …
Atmospheric reduced nitrogen: Sources, transformations, effects, and management
Human activities have increased atmospheric emissions and deposition of oxidized and
reduced forms of nitrogen, but emission control programs have largely focused on oxidized …
reduced forms of nitrogen, but emission control programs have largely focused on oxidized …
Record high levels of atmospheric ammonia over India: Spatial and temporal analyses
Atmospheric ammonia (NH 3) is an alkaline gas and a prominent constituent of the nitrogen
cycle that adversely affects ecosystems at higher concentrations. It is a pollutant, which …
cycle that adversely affects ecosystems at higher concentrations. It is a pollutant, which …
Dominant contribution of combustion-related ammonium during haze pollution in Bei**g
Abstract Aerosol ammonium (NH 4+), mainly produced from the reactions of ammonia (NH
3) with acids in the atmosphere, has significant impacts on air pollution, radiative forcing …
3) with acids in the atmosphere, has significant impacts on air pollution, radiative forcing …
A physics-based approach to oversample multi-satellite, multispecies observations to a common grid
Satellite remote sensing of the Earth's atmospheric composition usually samples irregularly
in space and time, and many applications require spatially and temporally averaging the …
in space and time, and many applications require spatially and temporally averaging the …
Persistent Nonagricultural and Periodic Agricultural Emissions Dominate Sources of Ammonia in Urban Bei**g: Evidence from 15N Stable Isotope in Vertical Profiles
Y Zhang, KB Benedict, A Tang, Y Sun… - … Science & Technology, 2019 - ACS Publications
Ammonia (NH3) emission reduction is key to limiting the deadly PM2. 5 pollution globally.
However, studies of long-term source apportionment of vertical NH3 are relatively limited …
However, studies of long-term source apportionment of vertical NH3 are relatively limited …
Aerosol ammonium in the urban boundary layer in Bei**g: insights from nitrogen isotope ratios and simulations in summer 2015
This study investigates the concentrations and δ15N values of NH4+ in PM2. 5 at three
heights (8, 120, and 260 m) on a 325 m tower in urban Bei**g. NH4+ concentrations were …
heights (8, 120, and 260 m) on a 325 m tower in urban Bei**g. NH4+ concentrations were …
Ammonia dry deposition in an alpine ecosystem traced to agricultural emission hotpots
Elevated reactive nitrogen (Nr) deposition is a concern for alpine ecosystems, and dry NH3
deposition is a key contributor. Understanding how emission hotspots impact downwind …
deposition is a key contributor. Understanding how emission hotspots impact downwind …