182 citations as recorded by crossref.

1. Are Ammonia Sensors Ready for Outdoor Use? P. Espina-Martin et al.
2. An investigation of ammonia and inorganic particulate matter in California during the CalNex campaign L. Schiferl et al.
3. Comparison of analytical methods for the measurement of atmospheric ammonia G. Jo et al.
4. Land Use Specific Ammonia Deposition Velocities: a Review of Recent Studies (2004–2013) F. Schrader & C. Brümmer
5. Surface/atmosphere exchange and chemical interactions of reactive nitrogen compounds above a manured grassland M. Twigg et al.
6. Sources and Impacts of Atmospheric NH3: Current Understanding and Frontiers for Modeling, Measurements, and Remote Sensing in North America L. Zhu et al.
7. Comparison of Sub-Ppm Instrument Response Suggests Higher Detection Limits Could Be Used to Quantify Methane Emissions from Oil and Gas Infrastructure S. Riddick et al.
8. Quantification of Atmospheric Ammonia Concentrations: A Review of Its Measurement and Modeling A. Nair & F. Yu
9. Observation of new particle formation and measurement of sulfuric acid, ammonia, amines and highly oxidized organic molecules at a rural site in central Germany A. Kürten et al.
10. HONO chemistry affected by relative humidity and ammonia in the North China Plain during winter H. Ran et al.
11. Bridging temporal gaps: AI-based temporal downscaling of biweekly NH3 to daily scale with spatial transferability S. Malik et al.
12. Comparison of two micrometeorological and three enclosure methods for measuring ammonia emission after slurry application in two field experiments J. Kamp et al.
13. Eddy covariance flux measurements of ammonia by high temperature chemical ionisation mass spectrometry J. Sintermann et al.
14. Observational assessment of the role of nocturnal residual-layer chemistry in determining daytime surface particulate nitrate concentrations G. Prabhakar et al.
15. Ammonium nitrate particles formed in upper troposphere from ground ammonia sources during Asian monsoons M. Höpfner et al.
16. Open-path, quantum cascade-laser-based sensor for high-resolution atmospheric ammonia measurements D. Miller et al.
17. Atmospheric reduced nitrogen: Sources, transformations, effects, and management C. Driscoll et al.
18. Improving the spatial resolution of air-quality modelling at a European scale – development and evaluation of the Air Quality Re-gridder Model (AQR v1.1) M. Theobald et al.
19. Infrared Satellite Detection Limits for Monitoring Atmospheric Ammonia M. Shephard et al.
20. Illustrating the benefit of using hourly monitoring data on secondary inorganic aerosol and its precursors for model evaluation M. Schaap et al.
21. TRANC – a novel fast-response converter to measure total reactive atmospheric nitrogen O. Marx et al.
22. Inverse dispersion modelling highlights the efficiency of slurry injection to reduce ammonia losses by agriculture in the Po Valley (Italy) M. Carozzi et al.
23. Eddy covariance measurement of ammonia fluxes: Comparison of high frequency correction methodologies R. Ferrara et al.
24. Photoacoustic measurement with infrared band-pass filters significantly overestimates NH3 emissions from cattle houses due to volatile organic compound (VOC) interferences D. Liu et al.
25. Summer ammonia measurements in a densely populated Mediterranean city M. Pandolfi et al.
26. Vehicular Emissions Enhanced Ammonia Concentrations in Winter Mornings: Insights from Diurnal Nitrogen Isotopic Signatures M. Gu et al.
27. Factors affecting the ammonia content in the air surrounding a broiler farm K. von Bobrutzki et al.
28. The formation and mitigation of nitrate pollution: comparison between urban and suburban environments S. Yang et al.
29. Advances in understanding, models and parameterizations of biosphere-atmosphere ammonia exchange C. Flechard et al.
30. Quantifying spatial and seasonal variability in atmospheric ammonia with in situ and space-based observations R. Pinder et al.
31. Monthly Patterns of Ammonia Over the Contiguous United States at 2‐km Resolution R. Wang et al.
32. Interferences with aerosol acidity quantification due to gas-phase ammonia uptake onto acidic sulfate filter samples B. Nault et al.
33. Evaluation of ambient ammonia measurements from a research aircraft using a closed-path QC-TILDAS operated with active continuous passivation I. Pollack et al.
34. Correcting high-frequency losses of reactive nitrogen flux measurements P. Wintjen et al.
35. Emissions estimation from satellite retrievals: A review of current capability D. Streets et al.
36. Atmospheric ammonia and particulate inorganic nitrogen over the United States C. Heald et al.
37. Photoacoustic Instruments for Practical Applications: Present, Potentials, and Future Challenges Z. Bozóki et al.
38. Replacing the AMOR with the miniDOAS in the ammonia monitoring network in the Netherlands A. Berkhout et al.
39. Validation of IASI Satellite Ammonia Observations at the Pixel Scale Using In Situ Vertical Profiles X. Guo et al.
40. Measuring the biosphere-atmosphere exchange of total reactive nitrogen by eddy covariance C. Ammann et al.
41. Increasing the Quantitative Credibility of Open-Path Fourier Transform Infrared (FT-IR) Spectroscopic Data, with Focus on Several Properties of the Background Spectrum L. Shao et al.
42. Ambient Pressure Proton Transfer Mass Spectrometry: Detection of Amines and Ammonia D. Hanson et al.
43. An Assessment of Low-Cost Techniques to Measure Ammonia Emission from Multi-Plots: A Case Study with Urea Fertilization J. Lavrsen Kure et al.
44. Moisture balance and tracer gas technique for ventilation rates measurement and greenhouse gases and ammonia emissions quantification in naturally ventilated buildings M. Samer et al.
45. Mesure des polluants depuis l’espace C. Deniel & C. Viatte
46. Dynamic ammonia measurement based on quantum cascade laser absorption spectroscopy C. Shen et al.
47. Real-time measurements of landfill atmospheric ammonia using mobile white cell differential optical absorption spectroscopy system and engineering applications X. Yi et al.
48. Atmospheric ammonia (NH3) over the Paris megacity: 9 years of total column observations from ground-based infrared remote sensing B. Tournadre et al.
49. Diurnal evolution of total column and surface atmospheric ammonia in the megacity of Paris, France, during an intense springtime pollution episode R. Kutzner et al.
50. Precise multispecies agricultural gas flux determined using broadband open-path dual-comb spectroscopy D. Herman et al.
51. NH3 spatiotemporal variability over Paris, Mexico City, and Toronto, and its link to PM2.5 during pollution events C. Viatte et al.
52. Is the biosphere-atmosphere exchange of total reactive nitrogen above forest driven by the same factors as carbon dioxide? An analysis using artificial neural networks U. Zöll et al.
53. A metrological approach to improve accuracy and reliability of ammonia measurements in ambient air A. Pogány et al.
54. Surface–atmosphere exchange of ammonia over peatland using QCL-based eddy-covariance measurements and inferential modeling U. Zöll et al.
55. Quantifying the Influence of a Burn Event on Ammonia Concentrations Using a Machine-Learning Technique J. Hu et al.
56. Towards validation of ammonia (NH3) measurements from the IASI satellite M. Van Damme et al.
57. A portable sensor for in-situ measurement of ammonia based on near-infrared laser absorption spectroscopy X. Guo et al.
58. Development and application of a simultaneous measurement method for gaseous ammonia and particulate ammonium in ambient air D. Huy et al.
59. Understanding the Simulated Ammonia Increasing Trend from 2008 to 2015 over Europe with CHIMERE and Comparison with IASI Observations A. Fortems-Cheiney et al.
60. Retrieval of ammonia from ground-based FTIR solar spectra E. Dammers et al.
61. Characterization and optimization of an online system for the simultaneous measurement of atmospheric water-soluble constituents in the gas and particle phases M. Markovic et al.
62. Measurement report: Ammonia in Paris derived from ground-based open-path and satellite observations C. Viatte et al.
63. Heat balance and tracer gas technique for airflow rates measurement and gaseous emissions quantification in naturally ventilated livestock buildings M. Samer et al.
64. Data assimilation of CrIS NH3 satellite observations for improving spatiotemporal NH3 distributions in LOTOS-EUROS S. van der Graaf et al.
65. Cavity Ring-Down Spectroscopy for Molecular Trace Gas Detection Using A Pulsed DFB QCL Emitting at 6.8 µm K. Gadedjisso-Tossou et al.
66. Determination of field scale ammonia emissions for common slurry spreading practice with two independent methods J. Sintermann et al.
67. Atmospheric ammonia and its impacts on regional air quality over the megacity of Shanghai, China S. Wang et al.
68. Ammonia Emission in Poultry Facilities: A Review for Tropical Climate Areas M. Oliveira et al.
69. Estimating global surface ammonia concentrations inferred from satellite retrievals L. Liu et al.
70. Colorimetric derivatization of ambient ammonia (NH3) for detection by long-path absorption photometry S. Tian et al.
71. Analytical Challenges and Opportunities For Indoor Air Chemistry Field Studies D. Farmer
72. Ammonia Emissions Measured Using Two Different GasFinder Open-Path Lasers H. Baldé et al.
73. A Chemical Ionization Mass Spectrometer for ambient measurements of Ammonia D. Benson et al.
74. Passive ammonia monitoring in the United States: Comparing three different sampling devices M. Puchalski et al.
75. Urban NH3 levels and sources in a Mediterranean environment C. Reche et al.
76. Evaluation of a Cost-Effective Ammonia Monitoring System for Continuous Real-Time Concentration Measurements in a Fattening Pig Barn S. Zhuang et al.
77. Global atmospheric particle formation from CERN CLOUD measurements E. Dunne et al.
78. Ambient ammonia in terrestrial ecosystems: A comparative study in the Tennessee Valley, USA R. Allen et al.
79. Airborne flux measurements of ammonia over the southern Great Plains using chemical ionization mass spectrometry S. Schobesberger et al.
80. Intercomparison of in situ measurements of ambient NH3: instrument performance and application under field conditions M. Twigg et al.
81. Two instruments based on differential optical absorption spectroscopy (DOAS) to measure accurate ammonia concentrations in the atmosphere H. Volten et al.
82. Validation of MUSES NH3 observations from AIRS and CrIS against aircraft measurements from DISCOVER-AQ and a surface network in the Magic Valley K. Cady-Pereira et al.
83. Validation of TES ammonia observations at the single pixel scale in the San Joaquin Valley during DISCOVER‐AQ K. Sun et al.
84. Evaluation and uncertainty investigation of the NO2, CO and NH3 modeling over China under the framework of MICS-Asia III L. Kong et al.
85. Adsorption of ammonia on treated stainless steel and polymer surfaces O. Vaittinen et al.
86. Directional passive ambient air monitoring of ammonia for fugitive source attribution; a field trial with wind tunnel characteristics M. Solera García et al.
87. Sampling and analysis techniques for inorganic air pollutants in indoor air F. Villanueva et al.
88. Global estimates of dry ammonia deposition inferred from space-measurements L. Liu et al.
89. The acidity of atmospheric particles and clouds H. Pye et al.
90. Global and regional model simulations of atmospheric ammonia M. Khan et al.
91. Interannual variability of ammonia concentrations over the United States: sources and implications L. Schiferl et al.
92. Unraveling the diurnal atmospheric ammonia budget of a prototypical convective boundary layer R. Schulte et al.
93. Assessment of ammonia sensors and photoacoustic measurement systems using a gas calibration unit N. von Jasmund et al.
94. A computer program for monitoring and controlling ultrasonic anemometers for aerodynamic measurements in animal buildings M. Samer et al.
95. Calculation of rotation-vibration energy levels of the ammonia molecule based on an ab initio potential energy surface O. Polyansky et al.
96. A semi-continuous measurement of gaseous ammonia and particulate ammonium concentrations in PM2.5 in the ambient atmosphere J. Kim et al.
97. A new continuous measurement method for gaseous ammonia by counter-current flow tube sampling and indophenol reaction D. Huy et al.
98. Utility of ammonium salts for the calibration of NH3 sensors J. Saharchuk et al.
99. Technical note: How are NH3 dry deposition estimates affected by combining the LOTOS-EUROS model with IASI-NH3 satellite observations? S. van der Graaf et al.
100. Surface–atmosphere exchange of inorganic water-soluble gases and associated ions in bulk aerosol above agricultural grassland pre- and postfertilisation R. Ramsay et al.
101. 4D‐Var Inversion of European NH3 Emissions Using CrIS NH3 Measurements and GEOS‐Chem Adjoint With Bi‐Directional and Uni‐Directional Flux Schemes H. Cao et al.
102. Measuring atmospheric ammonia with remote sensing campaign: Part 1 – Characterisation of vertical ammonia concentration profile in the centre of The Netherlands E. Dammers et al.
103. Measurement of atmospheric nanoparticles: Bridging the gap between gas-phase molecules and larger particles C. Peng et al.
104. On-Road Ammonia Emissions Characterized by Mobile, Open-Path Measurements K. Sun et al.
105. First detection of ammonia (NH3) in the Asian summer monsoon upper troposphere M. Höpfner et al.
106. Ammonia emissions from a grazed field estimated by miniDOAS measurements and inverse dispersion modelling M. Bell et al.
107. Pure NH3 Spectrum Measurements and Analysis of Overlapping Absorption Lines in the 6611.6–6613.5 cm−1 Region V. Kapitanov et al.
108. Observational relationships between ammonia, carbon dioxide and water vapor under a wide range of meteorological and turbulent conditions: RITA-2021 campaign R. Schulte et al.
109. Remote open-path cavity-ringdown spectroscopic sensing of trace gases in air, based on distributed passive sensors linked by km-long optical fibers Y. He et al.
110. Characterization of Ammonia, Methane, and Nitrous Oxide Emissions from Concentrated Animal Feeding Operations in Northeastern Colorado S. Eilerman et al.
111. Potential influence of ammonia reduction on particulate nitrate concentration in South Korea J. Kim et al.
112. Aircraft observations of the lower troposphere above a megacity: Alkyl nitrate and ozone chemistry E. Aruffo et al.
113. Field measurement of ammonia emissions after nitrogen fertilization—A comparison between micrometeorological and chamber methods K. Ni et al.
114. Measurement of ammonia line intensities in the 1.5 µm region by direct tunable diode laser absorption spectroscopy A. Pogány et al.
115. Measuring ammonia emissions from vegetable greenhouses with an inverse dispersion technique W. Liao et al.
116. Development of a Near-Infrared Photoacoustic System for Selective, Fast, and Fully Automatized Detection of Isotopically Labeled Ammonia E. Ouma et al.
117. Towards an optical gas standard for ammonia measurements in air at ambient levels A. Pogány et al.
118. Distribution and Characteristics of Ammonia Concentration by Region in Korea I. Song et al.
119. Atmospheric Ammonia Measurements Over a Coastal Salt Marsh Ecosystem Along the Mid‐Atlantic U.S. N. Lichiheb et al.
120. Negligible influence of livestock contaminants and sampling system on ammonia measurements with cavity ring-down spectroscopy J. Kamp et al.
121. Atomic spectrometry update. Environmental analysis O. Butler et al.
122. Remote sensing and in situ measurements of methane and ammonia emissions from a megacity dairy complex: Chino, CA I. Leifer et al.
123. The Comparisons of Real-time Ammonia Adsorption Measurement in Varying Inlet Tubes and the Different Ammonia Measurement Methods in the Atmosphere K. Kim et al.
124. Reactive nitrogen fluxes over peatland and forest ecosystems using micrometeorological measurement techniques C. Brümmer et al.
125. Concurrent measurements of atmospheric ammonia concentrations in the megacities of Beijing and Shanghai by using cavity ring-down spectroscopy Q. Sun et al.
126. Standoff sub-ppb level measurement of atmospheric ammonia with calibration-free wavelength modulation spectroscopy R. Wang et al.
127. Gas-phase reactive nitrogen near Grand Teton National Park: Impacts of transport, anthropogenic emissions, and biomass burning A. Prenni et al.
128. Investigation of non-target gas interferences on a multi-gas cavity ring-down spectrometer P. García et al.
129. Ammonia emissions from a broiler farm: spatial variability of airborne concentrations in the vicinity and impact on adjacent woodland K. von Bobrutzki et al.
130. Monitoring ammonia emissions in pig facilities: a comparative review of measurement technologies, monitoring protocols, and technology decision-support framework I. Aroh et al.
131. Practical approach for an easy determination of the limit of detection and uncertainty budget associated with on-line measurements of gas and aerosols by ion chromatography P. Espina-Martin et al.
132. Systematic low bias of passive samplers in characterizing nitrogen isotopic composition of atmospheric ammonia Y. Pan et al.
133. Absolute accuracy and sensitivity analysis of OP-FTIR retrievals of CO2, CH4 and CO over concentrations representative of "clean air" and "polluted plumes" T. Smith et al.
134. Re-analysis of ammonia spectra: Updating the HITRAN 14NH3 database M. Down et al.
135. Urban aerosol chemistry at a land–water transition site during summer – Part 1: Impact of agricultural and industrial ammonia emissions N. Balasus et al.
136. Ammonia Dry Deposition in an Alpine Ecosystem Traced to Agricultural Emission Hotpots D. Pan et al.
137. On the composition of ammonia–sulfuric-acid ion clusters during aerosol particle formation S. Schobesberger et al.
138. High-temperature dual-species (CO/NH3) detection using calibration-free scanned-wavelength-modulation spectroscopy at 2.3 μm M. Raza et al.
139. Real-time gas phase monitoring of regulated emissions from a waste recovery center by terahertz rotational spectroscopy J. Decker et al.
140. An evaluation of IASI-NH3 with ground-based Fourier transform infrared spectroscopy measurements E. Dammers et al.
141. Measurement of ammonia, amines and iodine compounds using protonated water cluster chemical ionization mass spectrometry J. Pfeifer et al.
142. NH3 Trace Detection Using a Tunable Lead-Salt Diode Laser Near 10 μm M. Dallah & A. Salloum
143. Is vehicular emission a significant contributor to ammonia in the urban atmosphere? X. Yao et al.
144. Ammonia Cycling and Emerging Secondary Aerosols from Arable Agriculture: A European and Irish Perspective V. Pohl et al.
145. Support Vector Machine Modeling Using Particle Swarm Optimization Approach for the Retrieval of Atmospheric Ammonia Concentrations J. Zhang et al.
146. 3-D agricultural air quality modeling: Impacts of NH3/H2S gas–phase reactions and bi-directional exchange of NH3 K. Wang & Y. Zhang
147. Revisiting the Concentration Observations and Source Apportionment of Atmospheric Ammonia Y. Pan et al.
148. Improved Inversion of Monthly Ammonia Emissions in China Based on the Chinese Ammonia Monitoring Network and Ensemble Kalman Filter L. Kong et al.
149. Fast In Situ Airborne Measurement of Ammonia Using a Mid-Infrared Off-Axis ICOS Spectrometer J. Leen et al.
150. Ground-based measurements of atmospheric NH3 by Fourier transform infrared spectrometry at Hefei and comparisons with IASI data W. Wang et al.
151. Chemical ionisation mass spectrometry for the measurement of atmospheric amines H. Yu & S. Lee
152. Quantum Cascade Laser Spectrometry Techniques: A New Trend in Atmospheric Chemistry J. Li et al.
153. Characteristics of ammonia gas and fine particulate ammonium from two distinct urban areas: Osaka, Japan, and Ho Chi Minh City, Vietnam D. Huy et al.
154. Monitoring ammonia concentrations in more than 10 stations in the Po Valley for the period 2007–2022 in relation to the evolution of different sources C. Colombi et al.
155. Evaluation of linear regression techniques for atmospheric applications: the importance of appropriate weighting C. Wu & J. Yu
156. Potential for Ammonia Generation and Emission in Broiler Production Facilities in Brazil F. Sousa et al.
157. Effect of moisture on the adsorption of ammonia O. Vaittinen et al.
158. Ammonia emissions from agriculture and their contribution to fine particulate matter: A review of implications for human health K. Wyer et al.
159. Absolute measurements of intensities, positions and self-broadening coefficients of R branch transitions in the ν2 band of ammonia M. Guinet et al.
160. The spectrum of ammonia near 0.793 μm N. Zobov et al.
161. Bridging the spatial gaps of the Ammonia Monitoring Network using satellite ammonia measurements R. Wang et al.
162. On-line determination of ammonia at low pptv mixing ratios in the CLOUD chamber F. Bianchi et al.
163. A molecular perspective for global modeling of upper atmospheric NH 3 from freezing clouds C. Ge et al.
164. Characteristics and sources of atmospheric ammonia at the SORPES station in the western Yangtze river delta of China R. Liu et al.
165. Measurement of gas-phase ammonia and amines in air by collection onto an ion exchange resin and analysis by ion chromatography M. Dawson et al.
166. Validation of the CrIS fast physical NH3 retrieval with ground-based FTIR E. Dammers et al.
167. Ammonia in the upper troposphere–lower stratosphere (UTLS): GLORIA airborne measurements for CAMS model evaluation in the Asian monsoon and in biomass burning plumes above the South Atlantic S. Johansson et al.
168. Dopant assisted photoionization ion mobility spectrometry for on-site specific and sensitive determination of atmospheric ammonia M. Li et al.
169. Measurements of PM10 ions and trace gases with the online system MARGA at the research station Melpitz in Germany – A five-year study B. Stieger et al.
170. Infrared absorption spectra of hot ammonia C. Beale et al.
171. Identifying Ammonia Hotspots in China Using a National Observation Network Y. Pan et al.
172. Low-Cost Fluorescence Sensor for Ammonia Measurement in Livestock Houses J. Kamp et al.
173. Characterizing a Quantum Cascade Tunable Infrared Laser Differential Absorption Spectrometer (QC-TILDAS) for measurements of atmospheric ammonia R. Ellis et al.
174. Inline multi-harmonic calibration method for open-path atmospheric ammonia measurements K. Sun et al.
175. Tracking ammonia morning peak, sources and transport with 1 Hz measurements at a rural site in North China Plain Y. He et al.
176. Semi-continuous gas and inorganic aerosol measurements at a Finnish urban site: comparisons with filters, nitrogen in aerosol and gas phases, and aerosol acidity U. Makkonen et al.
177. Air pollution monitoring: development of ammonia (NH3) dynamic reference gas mixtures at nanomoles per mole levels to improve the lack of traceability of measurements T. Macé et al.
178. Long-term sub second-response monitoring of gaseous ammonia in ambient air by positive inhaling ion mobility spectrometry W. Huang et al.
179. Unaccounted variability in NH3 agricultural sources detected by IASI contributing to European spring haze episode A. Fortems‐Cheiney et al.
180. Developing the 85Kr tracer gas technique for air exchange rate measurements in naturally ventilated animal buildings M. Samer et al.
181. Evaluation of mitigation strategies to reduce ammonia losses from slurry fertilisation on arable lands M. Carozzi et al.
182. Real-time Atmospheric Chemistry Field Instrumentation D. Farmer & J. Jimenez