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Lichen Exometabolites as Possible Precursors of Secondary Organic Aerosols
Lichen Exometabolites as Possible Precursors of Secondary Organic Aerosols
Lichens are not only a bioindicator of air pollution; they also affect the chemical composition of air. The qualitative co...
Properties of Light Backscattering on Hollow Hexagonal Ice Columns for Optical Models of Cirrus Clouds
Properties of Light Backscattering on Hollow Hexagonal Ice Columns for Optical Models of Cirrus Clouds
Cirrus clouds significantly affect the radiation budget of our planet and play an important role in climate formation. To ...
Effect of Laser Beam Amplitude Profile on Second Harmonic Generation Efficiency
Effect of Laser Beam Amplitude Profile on Second Harmonic Generation Efficiency
The efficiency of laser radiation harmonic generation in nonlinear crystals is one of the most pressing problems in applie...
Analysis of New Measurements of 18O-substituted Isotopic Species 16O16O18O and 16O18O16O of Ozone in the THz and Far-Infrared Ranges
Analysis of New Measurements of 18O-substituted Isotopic Species 16O16O18O and 16O18O16O of Ozone in the THz and Far-Infrared Ranges
High-resolution spectra corresponding to the rotational and the ν2–ν2 bands of the two most abundant isoto...
Spatial Distribution of Methane Concentration in Baikal Surface Water in the Spring Period
Spatial Distribution of Methane Concentration in Baikal Surface Water in the Spring Period
The results of describing the spatial distribution of methane concentration in the surface water of Lake Baikal in the spr...
Calculation of the Absorption Coefficient of Ar-Broadened CO2 in the 4.3 μm Band Wing on the Basis of Asymptotic Line Wing Theory
Calculation of the Absorption Coefficient of Ar-Broadened CO2 in the 4.3 μm Band Wing on the Basis of Asymptotic Line Wing Theory
Carbon dioxide absorption broadened by argon is studied on the basis of the asymptotic line wing theory. The line shape pa...
Numerical Study of the Possibilities of Wind Sounding in the Atmospheric Layer from 10 to 20 km with an Airborne Coherent Doppler Lidar
Numerical Study of the Possibilities of Wind Sounding in the Atmospheric Layer from 10 to 20 km with an Airborne Coherent Doppler Lidar
The possibilities of using molecular scattering to determine the wind speed from measurements with a pulsed coherent Doppl...
Spatial Distribution and Average Characteristics of Atmospheric Aerosol in the Kara Sea Basin
Spatial Distribution and Average Characteristics of Atmospheric Aerosol in the Kara Sea Basin
Based on long-term study in the Kara Sea basin (11 expeditions in 2007–2022), we, for the first time, statistically ...
Experimental Study and Simulation of Singlet-Triplet Rovibronic Ozone Bands in the 11 900–12 800 cm−1 Region
Experimental Study and Simulation of Singlet-Triplet Rovibronic Ozone Bands in the 11 900–12 800 cm−1 Region
A compact absorption spectrometer with a narrowband continuous tunable diode laser is created; it provides sensitivity on ...
Investigations of Optical Properties of the Atmospheres of Hot Exoplanets by Numerical Simulation of Transit Absorptions in the HeI 10 830-Å Line
Investigations of Optical Properties of the Atmospheres of Hot Exoplanets by Numerical Simulation of Transit Absorptions in the HeI 10 830-Å Line
Transit observations of exoplanets make it possible to measure temperature and relative abundance of various elements in t...
Sounding of Kelvin–Helmholtz Waves by a Turbulent Lidar: II–BSE-5 Lidar
Sounding of Kelvin–Helmholtz Waves by a Turbulent Lidar: II–BSE-5 Lidar
In continuation of the first part of the work, experimental results of Kelvin–Helmholtz wave sounding with a UV BSE-...
Carbon Dioxide Emissions from Freshwater Systems in Western Siberia
Carbon Dioxide Emissions from Freshwater Systems in Western Siberia
One of the possible sources of carbon dioxide emission into the atmosphere can be river ecosystems. The paper presents the...
Investigation of the Hydrogen Sulfide High Resolution Spectra in the 760 nm Region
Investigation of the Hydrogen Sulfide High Resolution Spectra in the 760 nm Region
Room temperature cavity ring-down spectra (CRDS) of hydrogen sulfide were recorded at three pressures of 10, 20, and 30 To...
Estimates of Carbon Dioxide Flux into the Forest Ecosystem Based on Results of Ground-Based Hyperspectral Sounding of the Atmosphere and an Artificial Neural Network Model
Estimates of Carbon Dioxide Flux into the Forest Ecosystem Based on Results of Ground-Based Hyperspectral Sounding of the Atmosphere and an Artificial Neural Network Model
The results of hyperspectral sounding of the atmosphere at the Ural Atmospheric Station in Kourovka from 2012–2022 a...
UAE’s Atmospheric Ground Conditions for Free Space Optical Applications: Measurement and Analysis
UAE’s Atmospheric Ground Conditions for Free Space Optical Applications: Measurement and Analysis
Optical beam propagation through the atmosphere is suffering from turbulence condition and scattering due to the refractiv...
A New Source of Sulfates in the Atmosphere
A New Source of Sulfates in the Atmosphere
Monitoring data on sulfates in atmospheric haze particles over Beijing in winter 2016 are considered. It is found that the...
Utilization of the U-Net Convolutional Neural Network and Its Modifications for Segmentation of Tundra Lakes in Satellite Optical Images
Utilization of the U-Net Convolutional Neural Network and Its Modifications for Segmentation of Tundra Lakes in Satellite Optical Images
Tundra lakes are an important indicator of climate change; therefore, the analysis of the dynamics of their size is of par...
Chlorine Oxide as an Indicator of Ozone Destruction in the Winter–Spring Arctic Stratosphere Based on Aura MLS Observations
Chlorine Oxide as an Indicator of Ozone Destruction in the Winter–Spring Arctic Stratosphere Based on Aura MLS Observations
The ozone behavior in the Arctic is a major recent concern. The ozone anomalies recur every five years on average. The las...
Sounding of Kelvin–Helmholtz Waves by a Turbulent Lidar: I–BSE-4 Lidar
Sounding of Kelvin–Helmholtz Waves by a Turbulent Lidar: I–BSE-4 Lidar
Atmospheric waves are of increased interest in connection with exchange processes occurring in the atmospheric boundary la...
Air Composition over the Russian Arctic: 3—Trace Gases
Air Composition over the Russian Arctic: 3—Trace Gases
Based on the results of a comprehensive experiment conducted in September 2020, the spatial distribution of the following ...
Sensitivity of the Antarctic Polar Vortex to Temperature Changes in the Lower Subtropical Stratosphere
Sensitivity of the Antarctic Polar Vortex to Temperature Changes in the Lower Subtropical Stratosphere
Polar vortices play a significant role in the distribution of stratospheric ozone, the movement of air masses in the polar...
Long-term Studies of Atmospheric Aerosol Chemical Composition at the Cape Baranov Ice Base Station
Long-term Studies of Atmospheric Aerosol Chemical Composition at the Cape Baranov Ice Base Station
The chemical composition of atmospheric aerosol sampled at the Cape Baranov Ice Base research station (Severnaya Zemlya ar...
The Effect of Turbulence on Generation of High-Intensity Light Channels during Femtosecond Laser Pulse Propagation along a 100-Meter Air Path
The Effect of Turbulence on Generation of High-Intensity Light Channels during Femtosecond Laser Pulse Propagation along a 100-Meter Air Path
Remote control of high-intensity laser beams in the atmosphere is an important problem of atmospheric optics. It is of spe...
Combined Lidar Signal Registration Technique for Atmospheric Temperature Measurements with the Primary Mirror of the Siberian Lidar Station
Combined Lidar Signal Registration Technique for Atmospheric Temperature Measurements with the Primary Mirror of the Siberian Lidar Station
A technique for parallel recording of lidar signals in the photon counting and charge accumulation modes at the Siberian L...
Structure and Characteristics of a Сb during Lightning
Structure and Characteristics of a Сb during Lightning
A single thundercloud which was developing near the coast of the Gulf of Finland at night is studied. Using three meteorol...
Analysis of Mixing Ratios of Greenhouse Carbon-Containing Gases at the Atmospheric Monitoring Station of St. Petersburg State University
Analysis of Mixing Ratios of Greenhouse Carbon-Containing Gases at the Atmospheric Monitoring Station of St. Petersburg State University
In order to study temporal variations in the mixing ratios of greenhouse carbon-containing gases and factors influencing t...
Electrode Effect on the Daily Variation in the Atmospheric Electric Field in the Surface Air Layer
Electrode Effect on the Daily Variation in the Atmospheric Electric Field in the Surface Air Layer
To solve general and special problems of ground-based monitoring of the atmospheric electric field, it is necessary to ide...
Pulsed CO2 Laser Pumped by a Longitudinal Discharge in an Alternating Magnetic Field
Pulsed CO2 Laser Pumped by a Longitudinal Discharge in an Alternating Magnetic Field
An original technique is suggested for pumping a pulsed CO2 laser by a longitudinal discharge in an alternating magnetic f...
Isotopic Shifts of Vibrational-Rotational Lines of SO2
Isotopic Shifts of Vibrational-Rotational Lines of SO2
Simple isotopic relations between the energy levels of 32S16O2, 33S16O2, and 34S16O2 isotopologues and of other isotopic v...
Sensorless Wavefront Sensing: Techniques, Applications, and Challenges
Sensorless Wavefront Sensing: Techniques, Applications, and Challenges
Numerous fields, such as ophthalmology, optical communication, microscopy, and astronomy frequently utilize sensorless wav...
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