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Article
Particle Density Values for Numerical Estimation of Mass Concentration of Near-Surface Submicron and Micron Aerosol
The results of experimental determination of near-surface aerosol density for particles of different composition and size have been published over many years. Based on the generalization of these data, as well...
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Article
Water Structure and Carbon Dioxide Flux Over the Laptev Sea Continental Slope and in the Vilkitsky Strait in the Autumn Season
Within the program “Ecosystems of the Siberian Arctic Seas,” carried out by Shirshov Institute of Oceanology, Russian Academy of Sciences since 2007, studies of the water structure and spatial variability of t...
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Article
Near-Surface Concentration of CH4, СО2, СО, and δ13C–СH4 in the Air Based on the Observations at the Station of the Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences, in Moscow
Results of the analysis of interannual, seasonal, and diurnal variations in the ratios of the mixture of CH4, CO2, CO, benzene, and δ13C–CH4 in the surface air of Moscow based on the measurements at the station o...
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Article
Open AccessMethane Concentration and δ13C Isotopic Signature in Methane over Arctic Seas in Summer and Autumn 2020
We have studied the assessment of methane content in the near atmospheric layer of the Arctic seas and the sources of its emissions. Continuous atmospheric measurements of methane concentration and δ13C isotope s...
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Article
Photostationary Equilibrium in the O3–NOx System and Ozone Generation According to ZOTTO Tall Tower Data
The rates of ozone production (P) and sink (L) and total peroxide (OX) content are assessed with the use of the photostationary state approach from measurements of ozone (O3) and nitrogen oxides (NO and NO2) at t...
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Article
Acoustic-Gravity Lamb Waves from the Eruption of the Hunga-Tonga-Hunga-Hapai Volcano, Its Energy Release and Impact on Aerosol Concentrations and Tsunami
The characteristics of acoustic-gravity waves (waveforms, time durations, amplitudes, azimuths and horizontal phase speeds) from the eruption of the Hunga-Tonga-Hunga-Hapai volcano detected at different infras...
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Article
Open AccessCarbon Dioxide Flux at the Water–Air Boundary at the Continental Slope in the Kara Sea
The values and direction of carbon dioxide flux in the area of the continental slope in the north of the Kara Sea (St. Anna Trough) are calculated based on field studies in 2020 within the Siberian Arctic Sea ...
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Article
Observations of the Atmospheric Composition over Russia: TROICA Experiments
Results obtained in the course of unique observations (as part of the TROICA project) of the composition and state of the atmosphere over Russia have been summarized. Scientists and engineers from different co...
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Article
Concentration and Isotopic Composition of Methane, Associated Gases, and Black Carbon over Russian Arctic Seas (Shipborne Measurements)
In Russian Arctic seas, observations of surface methane concentrations (CH4), ozone, nitrogen and carbon oxides, as well as the content of ...
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Article
The NOx-Limiting Regime of Photochemical Ozone Generation in a Weakly Polluted Convective Boundary Layer: Observations at the ZOTTO Tall Tower Observatory in Central Siberia, 2007–2015
Estimates of the photochemical ozone generation rate, PQ, and the ozone production efficiency (OPE) per molecule of NOx (=NO + NO2), ∆P, are obtained for the region of Central Siberia based on near surface observ...
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Article
Variations in PM2.5 Surface Concentration in Moscow according to Observations at MSU Meteorological Observatory
We considered Moscow-specific features of time variations in PM2.5 mass concentration in the surface air layer as a function of a number of atmospheric parameters such as the concentrations of certain atmospheric...
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Article
Aromatic volatile organic compounds and their role in ground-level ozone formation in Russia
This paper reports proton mass spectrometry data on aromatic volatile organic compounds (VOCs) (benzene, toluene, phenol, styrene, xylene, and propylbenzene) obtained in different Russian regions along the Tra...
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Article
Observations of atmospheric methane and its stable isotope ratio (δ13C) over the Russian Arctic seas from ship cruises in the summer and autumn of 2015
The results of experimental measurements of atmospheric methane concentrations and its isotopic composition in the Russian Arctic seas in the summer and autumn of 2015 are discussed. The Keeling plot method an...
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Article
On contents of trace gases in the atmospheric surface layer over Moscow
The results of the 2002–2012 continuous once-a-minute measurements of the composition of the surface air over Moscow, which were taken at the joint ecological station of the Obukhov Institute of Atmospheric Ph...
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Article
Estimation of biogenic CH4 and CO2 emissions and dry deposition of O3 using 222Rn measurements in TROICA expeditions
On the basis of simultaneous measurements of surface concentrations of CH4, CO2, O3, and 222Rn during 6 TROICA (TRanscontinental Observations Into the Chemistry of the Atmosphere) expeditions along the Trans-Sibe...
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Article
Climatic and environmental characteristics of Moscow megalopolis according to the data of the Moscow State University Meteorological Observatory over 60 years
Analyzed are the results of meteorological and environmental measurements performed over the 60-year period (1954–2013) at the Meteorological Observatory of Lomonosov Moscow State University. The significant p...
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Article
Gaseous admixtures in the atmosphere over Moscow during the 2010 summer
In the summer of 2010, the Moscow megacity during two months was within the zone of action of a blocking anticyclone. The accumulation of pollutants in a closed air mass sharply changed the surface air quality...
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Article
Ozone and nitric oxides in the surface air over northern Eurasia according to observational data obtained in TROICA experiments
The results of the 1995–2008 observations of the concentrations of ozone and nitric oxides in the surface air over the Trans-Siberian Railway using a mobile laboratory (the TROICA experiments) are analyzed. Th...
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Article
WRF ARW and CHIMERE models for numerical forecasting of surface ozone concentration
Results of joint calculations with meteorological WRF ARW model and chemistry transport CHIMERE model are considered as a basis of the modern system of the air quality assessment and forecasting. The system wa...
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Article
Gas composition of the surface air in Moscow during the extreme summer of 2010