Isotopic advances in understanding reactive nitrogen deposition and atmospheric processing
Recent advances in stable isotope measurements now allow for detailed investigations of
the sources, transformations, and deposition of reactive nitrogen (N) species. Stable …
the sources, transformations, and deposition of reactive nitrogen (N) species. Stable …
δ15N-stable isotope analysis of NHx: An overview on analytical measurements, source sampling and its source apportionment
N Bhattarai, S Wang, Y Pan, Q Xu, Y Zhang… - … Science & Engineering, 2021 - Springer
Agricultural sources and non-agricultural emissions contribute to gaseous ammonia (NH 3)
that plays a vital role in severe haze formation. Qualitative and quantitative contributions of …
that plays a vital role in severe haze formation. Qualitative and quantitative contributions of …
Combining multi-isotopic and molecular source tracking methods to identify nitrate pollution sources in surface and groundwater
Abstract Nitrate (NO 3-) pollution adversely impacts surface and groundwater quality. In
recent decades, many countries have implemented measures to control and reduce …
recent decades, many countries have implemented measures to control and reduce …
Vehicular emissions enhanced ammonia concentrations in winter mornings: Insights from diurnal nitrogen isotopic signatures
M Gu, Y Pan, WW Walters, Q Sun, L Song… - Environmental …, 2022 - ACS Publications
A general feature in the diurnal cycle of atmospheric ammonia (NH3) concentrations is a
morning spike that typically occurs around 07: 00 to 10: 00 (LST). Current hypotheses to …
morning spike that typically occurs around 07: 00 to 10: 00 (LST). Current hypotheses to …
The Contamination of Commercial 15N2 Gas Stocks with 15N–Labeled Nitrate and Ammonium and Consequences for Nitrogen Fixation Measurements
We report on the contamination of commercial 15-nitrogen (15N) N2 gas stocks with 15N-
enriched ammonium, nitrate and/or nitrite, and nitrous oxide. 15N2 gas is used to estimate …
enriched ammonium, nitrate and/or nitrite, and nitrous oxide. 15N2 gas is used to estimate …
Ammonia-oxidizing bacteria and archaea exhibit differential nitrogen source preferences
Ammonia-oxidizing microorganisms (AOM) contribute to one of the largest nitrogen fluxes in
the global nitrogen budget. Four distinct lineages of AOM: ammonia-oxidizing archaea …
the global nitrogen budget. Four distinct lineages of AOM: ammonia-oxidizing archaea …
Is fertilization the dominant source of ammonia in the urban atmosphere?
M Gu, Y Pan, Q Sun, WW Walters, L Song… - Science of the Total …, 2022 - Elsevier
It was previously believed that ammonia (NH 3) has a short residence time in the
atmosphere and cannot be transported far from its sources. In late March, however, this …
atmosphere and cannot be transported far from its sources. In late March, however, this …
Feammox in alluvial-lacustrine aquifer system: Nitrogen/iron isotopic and biogeochemical evidences
Groundwater nitrogen contamination is becoming increasingly serious worldwide, and
natural nitrogen attenuation processes such as anaerobic ammonium oxidation coupled to …
natural nitrogen attenuation processes such as anaerobic ammonium oxidation coupled to …
Cyanate and urea are substrates for nitrification by Thaumarchaeota in the marine environment
Ammonia-oxidizing archaea of the phylum Thaumarchaeota are among the most abundant
marine microorganisms. These organisms thrive in the oceans despite ammonium being …
marine microorganisms. These organisms thrive in the oceans despite ammonium being …
Kelp beds and their local effects on seawater chemistry, productivity, and microbial communities
Kelp forests are known as key habitats for species diversity and macroalgal productivity;
however, we know little about how these biogenic habitats interact with seawater chemistry …
however, we know little about how these biogenic habitats interact with seawater chemistry …