Atmospheric Measurement Techniques

Article	Citations
Ground-based validation of the Copernicus Sentinel-5P TROPOMI NO<sub>2</sub> measurements with the NDACC ZSL-DOAS, MAX-DOAS and Pandonia global networks	158
Development and application of a United States-wide correction for PM<sub>2.5</sub> data collected with the PurpleAir sensor	134
Methane retrieved from TROPOMI: improvement of the data product and validation of the first 2 years of measurements	116
Sentinel-5P TROPOMI NO<sub>2</sub> retrieval: impact of version v2.2 improvements and comparisons with OMI and ground-based data	93
Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments	91
Evaluating Sentinel-5P TROPOMI tropospheric NO<sub>2</sub> column densities with airborne and Pandora spectrometers near New York City and Long Island Sound	85
Assessing the accuracy of low-cost optical particle sensors using a physics-based approach	82
The GHGSat-D imaging spectrometer	71
Thermal and near-infrared sensor for carbon observation Fourier transform spectrometer-2 (TANSO-FTS-2) on the Greenhouse gases Observing SATellite-2 (GOSAT-2) during its first year in orbit	70
Measurements of PM<sub>2.5</sub> with PurpleAir under atmospheric conditions	68
High-frequency monitoring of anomalous methane point sources with multispectral Sentinel-2 satellite observations	67
Validation of methane and carbon monoxide from Sentinel-5 Precursor using TCCON and NDACC-IRWG stations	66
ModIs Dust AeroSol (MIDAS): a global fine-resolution dust optical depth data set	54
A new method for long-term source apportionment with time-dependent factor profiles and uncertainty assessment using SoFi Pro: application to 1 year of organic aerosol data	53
A high-resolution monitoring approach of canopy urban heat island using a random forest model and multi-platform observations	47
Effects of the prewhitening method, the time granularity, and the time segmentation on the Mann–Kendall trend detection and the associated Sen's slope	46
TROPOMI aerosol products: evaluation and observations of synoptic-scale carbonaceous aerosol plumes during 2018–2020	46
OMPS LP Version 2.0 multi-wavelength aerosol extinction coefficient retrieval algorithm	45
Validation of Aeolus winds using radiosonde observations and numerical weather prediction model equivalents	44
An improved TROPOMI tropospheric HCHO retrieval over China	42
Synergy processing of diverse ground-based remote sensing and in situ data using the GRASP algorithm: applications to radiometer, lidar and radiosonde observations	40
Atmospheric boundary layer height from ground-based remote sensing: a review of capabilities and limitations	39
An in situ gas chromatograph with automatic detector switching between PTR- and EI-TOF-MS: isomer-resolved measurements of indoor air	39
Validation of TROPOMI tropospheric NO2 columns using dual-scan multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements in Uccle, Brussels	38
Assessment of the TROPOMI tropospheric NO<sub>2</sub> product based on airborne APEX observations	38

Evaluating the PurpleAir monitor as an aerosol light scattering instrument	37
Efficient multi-angle polarimetric inversion of aerosols and ocean color powered by a deep neural network forward model	37
A compact QCL spectrometer for mobile, high-precision methane sensing aboard drones	34
Towards accurate and practical drone-based wind measurements with an ultrasonic anemometer	34
Evaluation of optical particulate matter sensors under realistic conditions of strong and mild urban pollution	33
Revision of the World Meteorological Organization Global Atmosphere Watch (WMO/GAW) CO<sub>2</sub> calibration scale	33
RainForest: a random forest algorithm for quantitative precipitation estimation over Switzerland	33
MUCCnet: Munich Urban Carbon Column network	33
Biomass burning nitrogen dioxide emissions derived from space with TROPOMI: methodology and validation	32
Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite	32
The importance of size ranges in aerosol instrument intercomparisons: a case study for the Atmospheric Tomography Mission	32
Intercomparison of low- and high-resolution infrared spectrometers for ground-based solar remote sensing measurements of total column concentrations of CO<sub>2</sub>, CH&a	32
Determination of the multiple-scattering correction factor and its cross-sensitivity to scattering and wavelength dependence for different AE33 Aethalometer filter tapes: a multi-instrumental appro	32
Validation of Aeolus wind products above the Atlantic Ocean	31
Sizing response of the Ultra-High Sensitivity Aerosol Spectrometer (UHSAS) and Laser Aerosol Spectrometer (LAS) to changes in submicron aerosol composition and refractive index	31
Validation of tropospheric NO<sub>2</sub> column measurements of GOME-2A and OMI using MAX-DOAS and direct sun network observations	30
Intercomparison of MAX-DOAS vertical profile retrieval algorithms: studies on field data from the CINDI-2 campaign	30
On the estimation of boundary layer heights: a machine learning approach	29
Can a regional-scale reduction of atmospheric CO<sub>2</sub> during the COVID-19 pandemic be detected from space? A case study for East China using satellite XCO<sub	29
Improving GOES Advanced Baseline Imager (ABI) aerosol optical depth (AOD) retrievals using an empirical bias correction algorithm	28
Modeled source apportionment of black carbon particles coated with a light-scattering shell	28
Atmospheric observations with E-band microwave links – challenges and opportunities	28
Aeolus L2A aerosol optical properties product: standard correct algorithm and Mie correct algorithm	27
Version 2 Ozone Monitoring Instrument SO<sub>2</sub> product (OMSO2 V2): new anthropogenic SO<sub>2</sub> vertical column density dataset	27
Automated detection of atmospheric NO<sub>2</sub> plumes from satellite data: a tool to help infer anthropogenic combustion emissions	27
MicroPulse DIAL (MPD) – a diode-laser-based lidar architecture for quantitative atmospheric profiling	27
Calibrating networks of low-cost air quality sensors	27
Emission Monitoring Mobile Experiment (EMME): an overview and first results of the St. Petersburg megacity campaign 2019	27
Ground-based temperature and humidity profiling: combining active and passive remote sensors	27
Performance evaluation of multiple satellite rainfall products for Dhidhessa River Basin (DRB), Ethiopia	27
Neural-network-based estimation of regional-scale anthropogenic CO<sub>2</sub> emissions using an Orbiting Carbon Observatory-2 (OCO-2) dataset over East and West Asia	27
1.5 years of TROPOMI CO measurements: comparisons to MOPITT and ATom	27
Intercomparison and characterization of 23 Aethalometers under laboratory and ambient air conditions: procedures and unit-to-unit variabilities	26
On the calibration of FIGAERO-ToF-CIMS: importance and impact of calibrant delivery for the particle-phase calibration	26
DeLiAn – a growing collection of depolarization ratio, lidar ratio and Ångström exponent for different aerosol types and mixtures from ground-based lidar observations	26
Machine learning calibration of low-cost NO<sub>2</sub> and PM<sub>10</sub> sensors: non-linear algorithms and their impact on site transferabil	25
Robust statistical calibration and characterization of portable low-cost air quality monitoring sensors to quantify real-time O<sub>3</sub> and NO<sub>2&l	25
Intercomparison of atmospheric CO<sub>2</sub> and CH<sub>4</sub> abundances on regional scales in boreal areas using Copernicus Atmosphere Monit	25
Validation of the Sentinel-5 Precursor TROPOMI cloud data with Cloudnet, Aura OMI O<sub>2</sub>–O<sub>2</sub>, MODIS, and Suomi-NPP VIIRS	25
A field intercomparison of three passive air samplers for gaseous mercury in ambient air	24
Detection of ship plumes from residual fuel operation in emission control areas using single-particle mass spectrometry	24
Improvement of numerical weather prediction model analysis during fog conditions through the assimilation of ground-based microwave radiometer observations: a 1D-Var study	24
Monitoring the compliance of sailing ships with fuel sulfur content regulations using unmanned aerial vehicle (UAV) measurements of ship emissions in open water	24
Quantifying CO<sub>2</sub> emissions of a city with the Copernicus Anthropogenic CO<sub>2</sub> Monitoring satellite mission	24
Estimation of the height of the turbulent mixing layer from data of Doppler lidar measurements using conical scanning by a probe beam	24
Application of the shipborne remote sensing supersite OCEANET for profiling of Arctic aerosols and clouds during <i>Polarstern</i> cruise PS106	24
Leveraging machine learning for quantitative precipitation estimation from Fengyun-4 geostationary observations and ground meteorological measurements	23
Combined use of Mie–Raman and fluorescence lidar observations for improving aerosol characterization: feasibility experiment	23
Correction of wind bias for the lidar on board Aeolus using telescope temperatures	23
Determination of Aethalometer multiple-scattering enhancement parameters and impact on source apportionment during the winter 2017/18 EMEP/ACTRIS/COLOSSAL campaign in Milan	23

Methane emissions from an oil sands tailings pond: a quantitative comparison of fluxes derived by different methods	23
Applying self-supervised learning for semantic cloud segmentation of all-sky images	22
A Dark Target research aerosol algorithm for MODIS observations over eastern China: increasing coverage while maintaining accuracy at high aerosol loading	22
Improved monitoring of shipping NO<sub>2</sub> with TROPOMI: decreasing NO<sub><i>x</i></sub> emissions in European	22
Tracking aerosols and SO<sub>2</sub> clouds from the Raikoke eruption: 3D view from satellite observations	22
Facility level measurement of offshore oil and gas installations from a medium-sized airborne platform: method development for quantification and source identification of methane emissions	22
The MOPITT Version 9 CO product: sampling enhancements and validation	22
The EarthCARE mission – science and system overview	22
Automated precipitation monitoring with the Thies disdrometer: biases and ways for improvement	21
Inter-comparison of MAX-DOAS measurements of tropospheric HONO slant column densities and vertical profiles during the CINDI-2 campaign	21
Aircraft-engine particulate matter emissions from conventional and sustainable aviation fuel combustion: comparison of measurement techniques for mass, number, and size	21
Assessment of real-time bioaerosol particle counters using reference chamber experiments	21
Airborne extractive electrospray mass spectrometry measurements of the chemical composition of organic aerosol	21
Commercial microwave links as a tool for operational rainfall monitoring in Northern Italy	21
Introducing the extended volatility range proton-transfer-reaction mass spectrometer (EVR PTR-MS)	21
Comparison of different droplet measurement techniques in the Braunschweig Icing Wind Tunnel	21
Application of TXRF in monitoring trace metals in particulate matter and cloud water	21
A systematic re-evaluation of methods for quantification of bulk particle-phase organic nitrates using real-time aerosol mass spectrometry	21
Comparing black-carbon- and aerosol-absorption-measuring instruments – a new system using lab-generated soot coated with controlled amounts of secondary organic matter	20
Estimates of mass absorption cross sections of black carbon for filter-based absorption photometers in the Arctic	20
Quality controls, bias, and seasonality of CO<sub>2</sub> columns in the boreal forest with Orbiting Carbon Observatory-2, Total Carbon Column Observing Network, and EM27/S	20
Characterization of dark current signal measurements of the ACCDs used on board the Aeolus satellite	20
Comparison of co-located refractory black carbon (rBC) and elemental carbon (EC) mass concentration measurements during field campaigns at several European sites	20
Estimation of PM<sub>2.5</sub> concentration in China using linear hybrid machine learning model	20
Comparison of airborne measurements of NO, NO2, HONO, NOy, and CO during FIREX-AQ	19
Integrated airborne investigation of the air composition over the Russian sector of the Arctic	19
The Portable Ice Nucleation Experiment (PINE): a new online instrument for laboratory studies and automated long-term field observations of ice-nucleating particles	19
A Compact Rayleigh Autonomous Lidar (CORAL) for the middle atmosphere	19
Retrieval of aerosol properties from Airborne Hyper-Angular Rainbow Polarimeter (AirHARP) observations during ACEPOL 2017	19
Consistency of total column ozone measurements between the Brewer and Dobson spectroradiometers of the LKO Arosa and PMOD/WRC Davos	19
Detailed characterization of the CAPS single-scattering albedo monitor (CAPS PMssa) as a field-deployable instrument for measuring aerosol light absorption with the extinction-minus-scattering method	19
Gradient boosting machine learning to improve satellite-derived column water vapor measurement error	19
ALADIN laser frequency stability and its impact on the Aeolus wind error	19
TROPOMI tropospheric ozone column data: geophysical assessment and comparison to ozonesondes, GOME-2B and OMI	19
Controlled-release experiment to investigate uncertainties in UAV-based emission quantification for methane point sources	19
Evaluation of retrieval methods for planetary boundary layer height based on radiosonde data	19
An improved TROPOMI tropospheric NO<sub>2</sub> research product over Europe	18
Stationary and portable multipollutant monitors for high-spatiotemporal-resolution air quality studies including online calibration	18
Estimating total attenuation using Rayleigh targets at cloud top: applications in multilayer and mixed-phase clouds observed by ground-based multifrequency radars	18
Best practices for precipitation sample storage for offline studies of ice nucleation in marine and coastal environments	18
Understanding the potential of Sentinel-2 for monitoring methane point emissions	18
Estimating cloud condensation nuclei concentrations from CALIPSO lidar measurements	18
Deriving boundary layer height from aerosol lidar using machine learning: KABL and ADABL algorithms	18
Applying machine learning methods to detect convection using Geostationary Operational Environmental Satellite-16 (GOES-16) advanced baseline imager (ABI) data	18
An evaluation of the heat test for the ice-nucleating ability of minerals and biological material	18
Measurements of CFC-11, CFC-12, and HCFC-22 total columns in the atmosphere at the St. Petersburg site in 2009–2019	18
Application of a mobile laboratory using a selected-ion flow-tube mass spectrometer (SIFT-MS) for characterisation of volatile organic compounds and atmospheric trace gases	18
Comparison of ozone measurement methods in biomass burning smoke: an evaluation under field and laboratory conditions	18
Polarization lidar for detecting dust orientation: system design and calibration	17
The impact of sampling strategy on the cloud droplet number concentration estimated from satellite data	17
Fragmentation inside proton-transfer-reaction-based mass spectrometers limits the detection of ROOR and ROOH peroxides	17
Development of a small unmanned aircraft system to derive CO<sub>2</sub> emissions of anthropogenic point sources	17
Multifactor colorimetric analysis on pH-indicator papers: an optimized approach for direct determination of ambient aerosol pH	17
Evaluating the consistency between OCO-2 and OCO-3 XCO2 estimates derived from the NASA ACOS version 10 retrieval algorithm	17
A multi-purpose, multi-rotor drone system for long-range and high-altitude volcanic gas plume measurements	17
Testing the efficacy of atmospheric boundary layer height detection algorithms using uncrewed aircraft system data from MOSAiC	17
Performance characterization of low-cost air quality sensors for off-grid deployment in rural Malawi	17
An interlaboratory comparison of aerosol inorganic ion measurements by ion chromatography: implications for aerosol pH estimate	17
Simultaneous detection of atmospheric HONO and NO<sub>2</sub> utilising an IBBCEAS system based on an iterative algorithm	17
LiSBOA (LiDAR Statistical Barnes Objective Analysis) for optimal design of lidar scans and retrieval of wind statistics – Part 1: Theoretical framework	17
Estimation of particulate organic nitrates from thermodenuder–aerosol mass spectrometer measurements in the North China Plain	17
Multi-year ACSM measurements at the central European research station Melpitz (Germany) – Part 1: Instrument robustness, quality assurance, and impact of upper size cutoff diameter	17
Development and application of a mass closure PM<sub>2.5</sub> composition online monitoring system	17
Distributed wind measurements with multiple quadrotor unmanned aerial vehicles in the atmospheric boundary layer	17
Mie–Raman–fluorescence lidar observations of aerosols during pollen season in the north of France	17
Inter-comparison of wind measurements in the atmospheric boundary layer and the lower troposphere with Aeolus and a ground-based coherent Doppler lidar network over China	17
Directionally dependent Lambertian-equivalent reflectivity (DLER) of the Earth's surface measured by the GOME-2 satellite instruments	17
Validating HY-2A CMR precipitable water vapor using ground-based and shipborne GNSS observations	17
Detection and quantification of CH<sub>4</sub> plumes using the WFM-DOAS retrieval on AVIRIS-NG hyperspectral data	17
An evaluation of the U.S. EPA's correction equation for PurpleAir sensor data in smoke, dust, and wintertime urban pollution events	17
Airborne lidar observations of wind, water vapor, and aerosol profiles during the NASA Aeolus calibration and validation (Cal/Val) test flight campaign	16
New observations of NO<sub>2</sub> in the upper troposphere from TROPOMI	16
A study on the performance of low-cost sensors for source apportionment at an urban background site	16
Leveraging spatial textures, through machine learning, to identify aerosols and distinct cloud types from multispectral observations	16
Comparison of formaldehyde measurements by Hantzsch, CRDS and DOAS in the SAPHIR chamber	16
Behavior and mechanisms of Doppler wind lidar error in varying stability regimes	16
Assessing the sources of particles at an urban background site using both regulatory instruments and low-cost sensors – a comparative study	16
XCO<sub>2</sub> retrieval for GOSAT and GOSAT-2 based on the FOCAL algorithm	16
Retrieval of aerosol properties using relative radiance measurements from an all-sky camera	16
Determining cloud thermodynamic phase from the polarized Micro Pulse Lidar	16

Comparative characterization of the performance of bio-aerosol nebulizers in connection with atmospheric simulation chambers	16
Effects of clouds on the UV Absorbing Aerosol Index from TROPOMI	15
Estimation of ship emission rates at a major shipping lane by long-path DOAS measurements	15
XCO<sub>2</sub> estimates from the OCO-2 measurements using a neural network approach	15
Inferring the absorption properties of organic aerosol in Siberian biomass burning plumes from remote optical observations	15
In situ observations of greenhouse gases over Europe during the CoMet 1.0 campaign aboard the HALO aircraft	15
Validation of Aeolus Level 2B wind products using wind profilers, ground-based Doppler wind lidars, and radiosondes in Japan	15
New technique for high-precision, simultaneous measurements of CH<sub>4</sub>, N<sub>2</sub>O and CO<sub>2</sub> con	15
Combining low-cost, surface-based aerosol monitors with size-resolved satellite data for air quality applications	15
Linking rain into ice microphysics across the melting layer in stratiform rain: a closure study	15
Validation of the Aeolus L2B wind product with airborne wind lidar measurements in the polar North Atlantic region and in the tropics	15
A new method to correct the electrochemical concentration cell (ECC) ozonesonde time response and its implications for “background current” and pump efficiency	15
A portable, robust, stable, and tunable calibration source for gas-phase nitrous acid (HONO)	15
Analysis of mobile monitoring data from the microAeth® MA200 for measuring changes in black carbon on the roadside in Augsburg	15
Improved calibration procedures for the EM27/SUN spectrometers of the COllaborative Carbon Column Observing Network (COCCON)	15
Validation of Aeolus winds using ground-based radars in Antarctica and in northern Sweden	15
Revisiting wind speed measurements using actively heated fiber optics: a wind tunnel study	15
Intercomparison of in situ measurements of ambient NH3: instrument performance and application under field conditions	14
Removing spurious inertial instability signals from gravity wave temperature perturbations using spectral filtering methods	14
Nano-hygroscopicity tandem differential mobility analyzer (nano-HTDMA) for investigating hygroscopic properties of sub-10 nm aerosol nanoparticles	14
IMK/IAA MIPAS temperature retrieval version 8: nominal measurements	14
Ozone formation sensitivity study using machine learning coupled with the reactivity of volatile organic compound species	14
Development of the drop Freezing Ice Nuclei Counter (FINC), intercomparison of droplet freezing techniques, and use of soluble lignin as an atmospheric ice nucleation standard	14
Ozone profile retrieval from nadir TROPOMI measurements in the UV range	14
Atmospheric carbon dioxide measurement from aircraft and comparison with OCO-2 and CarbonTracker model data	14
Retrieval of greenhouse gases from GOSAT and GOSAT-2 using the FOCAL algorithm	14
Evaluation of single-footprint AIRS CH<sub>4</sub> profile retrieval uncertainties using aircraft profile measurements	14
Evaluation of satellite retrievals of liquid clouds from the GOES-13 imager and MODIS over the midlatitude North Atlantic during the NAAMES campaign	14
LiSBOA (LiDAR Statistical Barnes Objective Analysis) for optimal design of lidar scans and retrieval of wind statistics – Part 2: Applications to lidar measurements of wind turbine wakes	14
A comparison of the impact of TROPOMI and OMI tropospheric NO<sub>2</sub> on global chemical data assimilation	14
Determination of the emission rates of CO<sub>2</sub> point sources with airborne lidar	14
Design and characterization of a semi-open dynamic chamber for measuring biogenic volatile organic compound (BVOC) emissions from plants	14
Design and field campaign validation of a multi-rotor unmanned aerial vehicle and optical particle counter	14
Retrieval improvements for the ALADIN Airborne Demonstrator in support of the Aeolus wind product validation	14
Suitability of fibre-optic distributed temperature sensing for revealing mixing processes and higher-order moments at the forest–air interface	13
Application of the ECT9 protocol for radiocarbon-based source apportionment of carbonaceous aerosols	13
Modification of a conventional photolytic converter for improving aircraft measurements of NO<sub>2</sub> via chemiluminescence	13
Automated identification of local contamination in remote atmospheric composition time series	13
A new algorithm to generate a priori trace gas profiles for the GGG2020 retrieval algorithm	13
Assessment of the quality of ACE-FTS stratospheric ozone data	13
Identifying and correcting interferences to PTR-ToF-MS measurements of isoprene and other urban volatile organic compounds	13
Combined UV and IR ozone profile retrieval from TROPOMI and CrIS measurements	13
Multifrequency radar observations of clouds and precipitation including the G-band	13
Validation of the TROPOspheric Monitoring Instrument (TROPOMI) surface UV radiation product	13
Evaluating uncertainty in sensor networks for urban air pollution insights	13
Evaluation of the reflectivity calibration of W-band radars based on observations in rain	13
Real-time UV index retrieval in Europe using Earth observation-based techniques: system description and quality assessment	13
Constraining the response factors of an extractive electrospray ionization mass spectrometer for near-molecular aerosol speciation	13
Evaluation and optimization of ICOS atmosphere station data as part of the labeling process	13
Retrieval of aerosol fine-mode fraction over China from satellite multiangle polarized observations: validation and comparison	13
Systematic comparison of vectorial spherical radiative transfer models in limb scattering geometry	13
Characterisation of the Manchester Aerosol Chamber facility	13
Measurement of iodine species and sulfuric acid using bromide chemical ionization mass spectrometers	13
Temperature-dependent sensitivity of iodide chemical ionization mass spectrometers	13
Identifying cloud droplets beyond lidar attenuation from vertically pointing cloud radar observations using artificial neural networks	13
Quantifying the impact of aerosol scattering on the retrieval of methane from airborne remote sensing measurements	13
Integrated System for Atmospheric Boundary Layer Height Estimation (ISABLE) using a ceilometer and microwave radiometer	13
Quantification of isomer-resolved iodide chemical ionization mass spectrometry sensitivity and uncertainty using a voltage-scanning approach	13
Internal consistency of the IAGOS ozone and carbon monoxide measurements for the last 25 years	13
Evaluating convective planetary boundary layer height estimations resolved by both active and passive remote sensing instruments during the CHEESEHEAD19 field campaign	12
Retrieval of stratospheric aerosol size distribution parameters using satellite solar occultation measurements at three wavelengths	12
Implementation of an incoherent broadband cavity-enhanced absorption spectroscopy technique in an atmospheric simulation chamber for in situ NO<sub>3</sub> monitoring: char	12
Uncertainty-bounded estimates of ash cloud properties using the ORAC algorithm: application to the 2019 Raikoke eruption	12
The eVe reference polarisation lidar system for the calibration and validation of the Aeolus L2A product	12
Aerosol pH indicator and organosulfate detectability from aerosol mass spectrometry measurements	12
Analysis of 3D cloud effects in OCO-2 XCO2 retrievals	12
Quantifying fugitive gas emissions from an oil sands tailings pond with open-path Fourier transform infrared measurements	12
A 2-year intercomparison of continuous-wave focusing wind lidar and tall mast wind measurements at Cabauw	12
Ch3MS-RF: a random forest model for chemical characterization and improved quantification of unidentified atmospheric organics detected by chromatography–mass spectrometry techniques	12
Probabilistic retrieval of volcanic SO<sub>2</sub> layer height and partial column density using the Cross-track Infrared Sounder (CrIS)	12
Atmospheric precipitable water vapor and its correlation with clear-sky infrared temperature observations	12
A new global grid-based weighted mean temperature model considering vertical nonlinear variation	12
Performance of open-path lasers and Fourier transform infrared spectroscopic systems in agriculture emissions research	12
Correction of a lunar-irradiance model for aerosol optical depth retrieval and comparison with a star photometer	12
Triple-frequency radar retrieval of microphysical properties of snow	12
Characterization of aerosol size properties from measurements of spectral optical depth: a global validation of the GRASP-AOD code using long-term AERONET data	12
Aerosol data assimilation in the MOCAGE chemical transport model during the TRAQA/ChArMEx campaign: lidar observations	12
Absorption instruments inter-comparison campaign at the Arctic Pallas station	12
The Berkeley Environmental Air-quality and CO<sub>2</sub> Network: field calibrations of sensor temperature dependence and assessment of network scale CO<sub>	12
Validation of Aeolus wind profiles using ground-based lidar and radiosonde observations at Réunion island and the Observatoire de Haute-Provence	12
Physical characteristics of frozen hydrometeors inferred with parameter estimation	12
Retrievals of dust-related particle mass and ice-nucleating particle concentration profiles with ground-based polarization lidar and sun photometer over a megacity in central China	12
Quantitative imaging of volcanic SO<sub>2</sub> plumes using Fabry–Pérot interferometer correlation spectroscopy	12
Integration of GOCI and AHI Yonsei aerosol optical depth products during the 2016 KORUS-AQ and 2018 EMeRGe campaigns	12
Why we need radar, lidar, and solar radiance observations to constrain ice cloud microphysics	12
Spectral calibration of the MethaneAIR instrument	12
Experimental assessment of a micro-pulse lidar system in comparison with reference lidar measurements for aerosol optical properties retrieval	12
HETEAC – the Hybrid End-To-End Aerosol Classification model for EarthCARE	12
Long-term column-averaged greenhouse gas observations using a COCCON spectrometer at the high-surface-albedo site in Gobabeb, Namibia	12
Cloud height measurement by a network of all-sky imagers	11
Importance of size representation and morphology in modelling optical properties of black carbon: comparison between laboratory measurements and model simulations	11
Design and characterization of a new oxidation flow reactor for laboratory and long-term ambient studies	11
Ground-based Fourier transform infrared (FTIR) O<sub>3</sub> retrievals from the 3040 cm<sup>−1</sup> spectral range at Xianghe, China	11
Relative sky radiance from multi-exposure all-sky camera images	11
Comparison of planetary boundary layer height from ceilometer with ARM radiosonde data	11