Atmospheric Measurement Techniques

Article	Citations
The AERONET Version 3 aerosol retrieval algorithm, associated uncertainties and comparisons to Version 2	169
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	135
Development and application of a United States-wide correction for PM<sub>2.5</sub> data collected with the PurpleAir sensor	106
Methane retrieved from TROPOMI: improvement of the data product and validation of the first 2 years of measurements	103
Laboratory evaluation of particle-size selectivity of optical low-cost particulate matter sensors	87
Ozone Monitoring Instrument (OMI) Aura nitrogen dioxide standard product version 4.0 with improved surface and cloud treatments	85
Sentinel-5P TROPOMI NO<sub>2</sub> retrieval: impact of version v2.2 improvements and comparisons with OMI and ground-based data	75
Evaluating Sentinel-5P TROPOMI tropospheric NO<sub>2</sub> column densities with airborne and Pandora spectrometers near New York City and Long Island Sound	74
Assessing the accuracy of low-cost optical particle sensors using a physics-based approach	70
An overview of and issues with sky radiometer technology and SKYNET	64
First validation of Aeolus wind observations by airborne Doppler wind lidar measurements	62
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	61
Assessment of the quality of TROPOMI high-spatial-resolution NO<sub>2</sub> data products in the Greater Toronto Area	60
TROPOMI–Sentinel-5 Precursor formaldehyde validation using an extensive network of ground-based Fourier-transform infrared stations	60
Measurements of PM<sub>2.5</sub> with PurpleAir under atmospheric conditions	60
A global analysis of climate-relevant aerosol properties retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories	58
The GHGSat-D imaging spectrometer	58
Evaluation and calibration of a low-cost particle sensor in ambient conditions using machine-learning methods	56
Validation of methane and carbon monoxide from Sentinel-5 Precursor using TCCON and NDACC-IRWG stations	55
High-frequency monitoring of anomalous methane point sources with multispectral Sentinel-2 satellite observations	55
MAX-DOAS measurements of tropospheric NO<sub>2</sub> and HCHO in Munich and the comparison to OMI and TROPOMI satellite observations	52
Intercomparison of NO<sub>2</sub>, O<sub>4</sub>, O<sub>3</sub> and HCHO slant column measurements by MAX-DOAS and z	51
Intercomparison of wind observations from the European Space Agency's Aeolus satellite mission and the ALADIN Airborne Demonstrator	49
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	47
ModIs Dust AeroSol (MIDAS): a global fine-resolution dust optical depth data set	47

SegCloud: a novel cloud image segmentation model using a deep convolutional neural network for ground-based all-sky-view camera observation	45
Effects of the prewhitening method, the time granularity, and the time segmentation on the Mann–Kendall trend detection and the associated Sen's slope	41
OMPS LP Version 2.0 multi-wavelength aerosol extinction coefficient retrieval algorithm	41
Validation of Aeolus winds using radiosonde observations and numerical weather prediction model equivalents	41
In-flight calibration results of the TROPOMI payload on board the Sentinel-5 Precursor satellite	40
A new TROPOMI product for tropospheric NO<sub>2</sub> columns over East Asia with explicit aerosol corrections	40
Validation of TROPOMI tropospheric NO2 columns using dual-scan multi-axis differential optical absorption spectroscopy (MAX-DOAS) measurements in Uccle, Brussels	37
A high-resolution monitoring approach of canopy urban heat island using a random forest model and multi-platform observations	37
Synergy processing of diverse ground-based remote sensing and in situ data using the GRASP algorithm: applications to radiometer, lidar and radiosonde observations	37
A machine-learning-based cloud detection and thermodynamic-phase classification algorithm using passive spectral observations	37
Assessment of the TROPOMI tropospheric NO<sub>2</sub> product based on airborne APEX observations	36
Rain event detection in commercial microwave link attenuation data using convolutional neural networks	35
TROPOMI aerosol products: evaluation and observations of synoptic-scale carbonaceous aerosol plumes during 2018–2020	35
CLIMCAPS observing capability for temperature, moisture, and trace gases from AIRS/AMSU and CrIS/ATMS	34
N<sub>2</sub>O isotopocule measurements using laser spectroscopy: analyzer characterization and intercomparison	33
An improved TROPOMI tropospheric HCHO retrieval over China	33
Characterization of anthropogenic organic aerosols by TOF-ACSM with the new capture vaporizer	33
An in situ gas chromatograph with automatic detector switching between PTR- and EI-TOF-MS: isomer-resolved measurements of indoor air	32
Consistency and structural uncertainty of multi-mission GPS radio occultation records	31
The importance of size ranges in aerosol instrument intercomparisons: a case study for the Atmospheric Tomography Mission	31
Revision of the World Meteorological Organization Global Atmosphere Watch (WMO/GAW) CO<sub>2</sub> calibration scale	30
MUCCnet: Munich Urban Carbon Column network	30
RainForest: a random forest algorithm for quantitative precipitation estimation over Switzerland	30
Evaluating the PurpleAir monitor as an aerosol light scattering instrument	30
Evaluation of optical particulate matter sensors under realistic conditions of strong and mild urban pollution	30
A compact QCL spectrometer for mobile, high-precision methane sensing aboard drones	30
Evaluation of equivalent black carbon source apportionment using observations from Switzerland between 2008 and 2018	29
Validation of Aeolus wind products above the Atlantic Ocean	29
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	29
Mapping methane plumes at very high spatial resolution with the WorldView-3 satellite	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	28
Mass spectral characterization of primary emissions and implications in source apportionment of organic aerosol	28
Efficient multi-angle polarimetric inversion of aerosols and ocean color powered by a deep neural network forward model	28
Intercomparison of MAX-DOAS vertical profile retrieval algorithms: studies on field data from the CINDI-2 campaign	28
Validation of tropospheric NO<sub>2</sub> column measurements of GOME-2A and OMI using MAX-DOAS and direct sun network observations	27
Overview: Estimating and reporting uncertainties in remotely sensed atmospheric composition and temperature	27
Sizing response of the Ultra-High Sensitivity Aerosol Spectrometer (UHSAS) and Laser Aerosol Spectrometer (LAS) to changes in submicron aerosol composition and refractive index	27
Biomass burning nitrogen dioxide emissions derived from space with TROPOMI: methodology and validation	27
Atmospheric observations with E-band microwave links – challenges and opportunities	27
Towards accurate and practical drone-based wind measurements with an ultrasonic anemometer	27
Cézeaux-Aulnat-Opme-Puy De Dôme: a multi-site for the long-term survey of the tropospheric composition and climate change	27
Assessment of NO<sub>2</sub> observations during DISCOVER-AQ and KORUS-AQ field campaigns	26
The use of the 1.27 µm O<sub>2</sub> absorption band for greenhouse gas monitoring from space and application to MicroCarb	26
1.5 years of TROPOMI CO measurements: comparisons to MOPITT and ATom	26
Version 2 Ozone Monitoring Instrument SO<sub>2</sub> product (OMSO2 V2): new anthropogenic SO<sub>2</sub> vertical column density dataset	26
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	26
On the estimation of boundary layer heights: a machine learning approach	25
Modeled source apportionment of black carbon particles coated with a light-scattering shell	25
The CopterSonde: an insight into the development of a smart unmanned aircraft system for atmospheric boundary layer research	25
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	25

Evaluation of the MODIS Collection 6 multilayer cloud detection algorithm through comparisons with CloudSat Cloud Profiling Radar and CALIPSO CALIOP products	24
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	24
Ground-based temperature and humidity profiling: combining active and passive remote sensors	24
On the calibration of FIGAERO-ToF-CIMS: importance and impact of calibrant delivery for the particle-phase calibration	24
Improving GOES Advanced Baseline Imager (ABI) aerosol optical depth (AOD) retrievals using an empirical bias correction algorithm	23
Characteristics and performance of wind profiles as observed by the radar wind profiler network of China	23
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	23
MicroPulse DIAL (MPD) – a diode-laser-based lidar architecture for quantitative atmospheric profiling	23
Emission Monitoring Mobile Experiment (EMME): an overview and first results of the St. Petersburg megacity campaign 2019	23
Application of the shipborne remote sensing supersite OCEANET for profiling of Arctic aerosols and clouds during <i>Polarstern</i> cruise PS106	23
Counting on chemistry: laboratory evaluation of seed-material-dependent detection efficiencies of ultrafine condensation particle counters	23
CALIOP V4 cloud thermodynamic phase assignment and the impact of near-nadir viewing angles	23
The new instrument using a TC–BC (total carbon–black carbon) method for the online measurement of carbonaceous aerosols	22
A first comparison of TROPOMI aerosol layer height (ALH) to CALIOP data	22
Performance evaluation of multiple satellite rainfall products for Dhidhessa River Basin (DRB), Ethiopia	22
Integration and calibration of non-dispersive infrared (NDIR) CO<sub>2</sub> low-cost sensors and their operation in a sensor network covering Switzerland	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	21
Intercomparison and characterization of 23 Aethalometers under laboratory and ambient air conditions: procedures and unit-to-unit variabilities	21
Measurement of ammonia, amines and iodine compounds using protonated water cluster chemical ionization mass spectrometry	21
Intercomparison of atmospheric CO<sub>2</sub> and CH<sub>4</sub> abundances on regional scales in boreal areas using Copernicus Atmosphere Monit	21
Improvement of numerical weather prediction model analysis during fog conditions through the assimilation of ground-based microwave radiometer observations: a 1D-Var study	21
Evaluation of the 15-year ROM SAF monthly mean GPS radio occultation climate data record	21
Correcting the impact of the isotope composition on the mixing ratio dependency of water vapour isotope measurements with cavity ring-down spectrometers	21
Correction of wind bias for the lidar on board Aeolus using telescope temperatures	21
Atmospheric boundary layer height from ground-based remote sensing: a review of capabilities and limitations	20
Improved monitoring of shipping NO<sub>2</sub> with TROPOMI: decreasing NO<sub><i>x</i></sub> emissions in European	20
SIFT-MS optimization for atmospheric trace gas measurements at varying humidity	20
Estimation of PM<sub>2.5</sub> concentration in China using linear hybrid machine learning model	20
Automated detection of atmospheric NO<sub>2</sub> plumes from satellite data: a tool to help infer anthropogenic combustion emissions	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
Aeolus L2A aerosol optical properties product: standard correct algorithm and Mie correct algorithm	20
A convolutional neural network for classifying cloud particles recorded by imaging probes	20
Confronting the boundary layer data gap: evaluating new and existing methodologies of probing the lower atmosphere	20
Determination of Aethalometer multiple-scattering enhancement parameters and impact on source apportionment during the winter 2017/18 EMEP/ACTRIS/COLOSSAL campaign in Milan	20
Comparing black-carbon- and aerosol-absorption-measuring instruments – a new system using lab-generated soot coated with controlled amounts of secondary organic matter	20
Leveraging machine learning for quantitative precipitation estimation from Fengyun-4 geostationary observations and ground meteorological measurements	20
Estimation of the height of the turbulent mixing layer from data of Doppler lidar measurements using conical scanning by a probe beam	20
Assessment of real-time bioaerosol particle counters using reference chamber experiments	20
Spatial distribution of cloud droplet size properties from Airborne Hyper-Angular Rainbow Polarimeter (AirHARP) measurements	20
Total column water vapour retrieval from S-5P/TROPOMI in the visible blue spectral range	19
Detection of ship plumes from residual fuel operation in emission control areas using single-particle mass spectrometry	19
Automated precipitation monitoring with the Thies disdrometer: biases and ways for improvement	19
Applying self-supervised learning for semantic cloud segmentation of all-sky images	19
A field intercomparison of three passive air samplers for gaseous mercury in ambient air	19
Methane emissions from an oil sands tailings pond: a quantitative comparison of fluxes derived by different methods	19
Airborne extractive electrospray mass spectrometry measurements of the chemical composition of organic aerosol	19
Quantifying CO<sub>2</sub> emissions of a city with the Copernicus Anthropogenic CO<sub>2</sub> Monitoring satellite mission	19
Commercial microwave links as a tool for operational rainfall monitoring in Northern Italy	19
A Dark Target research aerosol algorithm for MODIS observations over eastern China: increasing coverage while maintaining accuracy at high aerosol loading	19
Comparison of different droplet measurement techniques in the Braunschweig Icing Wind Tunnel	19
Retrieval of aerosol properties from Airborne Hyper-Angular Rainbow Polarimeter (AirHARP) observations during ACEPOL 2017	18
Implementation of a chemical background method for atmospheric OH measurements by laser-induced fluorescence: characterisation and observations from the UK and China	18
Single-photon laser-induced fluorescence detection of nitric oxide at sub-parts-per-trillion mixing ratios	18
Estimates of mass absorption cross sections of black carbon for filter-based absorption photometers in the Arctic	18
ALADIN laser frequency stability and its impact on the Aeolus wind error	18
Flow-induced errors in airborne in situ measurements of aerosols and clouds	18
Combined use of Mie–Raman and fluorescence lidar observations for improving aerosol characterization: feasibility experiment	18
Monitoring the compliance of sailing ships with fuel sulfur content regulations using unmanned aerial vehicle (UAV) measurements of ship emissions in open water	18
Comparison of co-located refractory black carbon (rBC) and elemental carbon (EC) mass concentration measurements during field campaigns at several European sites	18
Characterization of dark current signal measurements of the ACCDs used on board the Aeolus satellite	18
Estimating total attenuation using Rayleigh targets at cloud top: applications in multilayer and mixed-phase clouds observed by ground-based multifrequency radars	18
Calibrating networks of low-cost air quality sensors	18
Tracking aerosols and SO<sub>2</sub> clouds from the Raikoke eruption: 3D view from satellite observations	18
Comparison of airborne measurements of NO, NO2, HONO, NOy, and CO during FIREX-AQ	17
Simultaneous detection of atmospheric HONO and NO<sub>2</sub> utilising an IBBCEAS system based on an iterative algorithm	17
Methodology for deriving the telescope focus function and its uncertainty for a heterodyne pulsed Doppler lidar	17
Evaluation of retrieval methods for planetary boundary layer height based on radiosonde data	17
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	17
Introducing the extended volatility range proton-transfer-reaction mass spectrometer (EVR PTR-MS)	17
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	17
The Portable Ice Nucleation Experiment (PINE): a new online instrument for laboratory studies and automated long-term field observations of ice-nucleating particles	17
A Compact Rayleigh Autonomous Lidar (CORAL) for the middle atmosphere	17
Application of TXRF in monitoring trace metals in particulate matter and cloud water	17
Consistency of total column ozone measurements between the Brewer and Dobson spectroradiometers of the LKO Arosa and PMOD/WRC Davos	17
Multifactor colorimetric analysis on pH-indicator papers: an optimized approach for direct determination of ambient aerosol pH	17
Total column water vapor retrieval for Global Ozone Monitoring Experience-2 (GOME-2) visible blue observations	17
An improved TROPOMI tropospheric NO<sub>2</sub> research product over Europe	16
Gradient boosting machine learning to improve satellite-derived column water vapor measurement error	16
Microwave and submillimeter wave scattering of oriented ice particles	16
Best practices for precipitation sample storage for offline studies of ice nucleation in marine and coastal environments	16

Inversion of multiangular polarimetric measurements from the ACEPOL campaign: an application of improving aerosol property and hyperspectral ocean color retrievals	16
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	16
Stationary and portable multipollutant monitors for high-spatiotemporal-resolution air quality studies including online calibration	16
Testing the efficacy of atmospheric boundary layer height detection algorithms using uncrewed aircraft system data from MOSAiC	16
An interlaboratory comparison of aerosol inorganic ion measurements by ion chromatography: implications for aerosol pH estimate	16
Mind the gap – Part 1: Accurately locating warm marine boundary layer clouds and precipitation using spaceborne radars	16
Validating HY-2A CMR precipitable water vapor using ground-based and shipborne GNSS observations	16
Inter-comparison of MAX-DOAS measurements of tropospheric HONO slant column densities and vertical profiles during the CINDI-2 campaign	16
In-orbit Earth reflectance validation of TROPOMI on board the Sentinel-5 Precursor satellite	16
New observations of NO<sub>2</sub> in the upper troposphere from TROPOMI	16
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	16
Optimisation of a thermal desorption–gas chromatography–mass spectrometry method for the analysis of monoterpenes, sesquiterpenes and diterpenes	16
Estimating cloud condensation nuclei concentrations from CALIPSO lidar measurements	16
A systematic re-evaluation of methods for quantification of bulk particle-phase organic nitrates using real-time aerosol mass spectrometry	15
XCO<sub>2</sub> retrieval for GOSAT and GOSAT-2 based on the FOCAL algorithm	15
A new method to correct the electrochemical concentration cell (ECC) ozonesonde time response and its implications for “background current” and pump efficiency	15
Towards improved turbulence estimation with Doppler wind lidar velocity-azimuth display (VAD) scans	15
Use of automatic radiosonde launchers to measure temperature and humidity profiles from the GRUAN perspective	15
Deriving boundary layer height from aerosol lidar using machine learning: KABL and ADABL algorithms	15
Integrated airborne investigation of the air composition over the Russian sector of the Arctic	15
Applying machine learning methods to detect convection using Geostationary Operational Environmental Satellite-16 (GOES-16) advanced baseline imager (ABI) data	15
Comparison of ozone measurement methods in biomass burning smoke: an evaluation under field and laboratory conditions	15
Long-term reliability of the Figaro TGS 2600 solid-state methane sensor under low-Arctic conditions at Toolik Lake, Alaska	15
Observation of sensible and latent heat flux profiles with lidar	15
Mie–Raman–fluorescence lidar observations of aerosols during pollen season in the north of France	15
TROPOMI tropospheric ozone column data: geophysical assessment and comparison to ozonesondes, GOME-2B and OMI	15
Development of a small unmanned aircraft system to derive CO<sub>2</sub> emissions of anthropogenic point sources	15
In situ observations of greenhouse gases over Europe during the CoMet 1.0 campaign aboard the HALO aircraft	15
Development and application of a mass closure PM<sub>2.5</sub> composition online monitoring system	15
Combining low-cost, surface-based aerosol monitors with size-resolved satellite data for air quality applications	15
The impact of sampling strategy on the cloud droplet number concentration estimated from satellite data	15
A new optical-based technique for real-time measurements of mineral dust concentration in PM<sub>10</sub> using a virtual impactor	15
A portable, robust, stable, and tunable calibration source for gas-phase nitrous acid (HONO)	14
Distributed wind measurements with multiple quadrotor unmanned aerial vehicles in the atmospheric boundary layer	14
Linking rain into ice microphysics across the melting layer in stratiform rain: a closure study	14
Leveraging spatial textures, through machine learning, to identify aerosols and distinct cloud types from multispectral observations	14
Simultaneous detection of ozone and nitrogen dioxide by oxygen anion chemical ionization mass spectrometry: a fast-time-response sensor suitable for eddy covariance measurements	14
LiSBOA (LiDAR Statistical Barnes Objective Analysis) for optimal design of lidar scans and retrieval of wind statistics – Part 1: Theoretical framework	14
Detection and quantification of CH<sub>4</sub> plumes using the WFM-DOAS retrieval on AVIRIS-NG hyperspectral data	14
Polarization lidar for detecting dust orientation: system design and calibration	14
Application of low-cost fine particulate mass monitors to convert satellite aerosol optical depth to surface concentrations in North America and Africa	14
The MOPITT Version 9 CO product: sampling enhancements and validation	14
High-humidity tandem differential mobility analyzer for accurate determination of aerosol hygroscopic growth, microstructure, and activity coefficients over a wide range of relative humidity	14
Understanding the potential of Sentinel-2 for monitoring methane point emissions	14
A multi-purpose, multi-rotor drone system for long-range and high-altitude volcanic gas plume measurements	14
Comparison of formaldehyde measurements by Hantzsch, CRDS and DOAS in the SAPHIR chamber	14
Resolving the size of ice-nucleating particles with a balloon deployable aerosol sampler: the SHARK	14
Fragmentation inside proton-transfer-reaction-based mass spectrometers limits the detection of ROOR and ROOH peroxides	14
Validation of Aeolus winds using ground-based radars in Antarctica and in northern Sweden	14
Controlled-release experiment to investigate uncertainties in UAV-based emission quantification for methane point sources	14
Studying boundary layer methane isotopy and vertical mixing processes at a rewetted peatland site using an unmanned aircraft system	14
Removing spurious inertial instability signals from gravity wave temperature perturbations using spectral filtering methods	14
Towards standardized processing of eddy covariance flux measurements of carbonyl sulfide	13
Characterisation of the Manchester Aerosol Chamber facility	13
Assessing the sources of particles at an urban background site using both regulatory instruments and low-cost sensors – a comparative study	13
Evaluation of single-footprint AIRS CH<sub>4</sub> profile retrieval uncertainties using aircraft profile measurements	13
Evaluation of satellite retrievals of liquid clouds from the GOES-13 imager and MODIS over the midlatitude North Atlantic during the NAAMES campaign	13
Inferring the absorption properties of organic aerosol in Siberian biomass burning plumes from remote optical observations	13
Evaluation of the reflectivity calibration of W-band radars based on observations in rain	13
Measurements of CFC-11, CFC-12, and HCFC-22 total columns in the atmosphere at the St. Petersburg site in 2009–2019	13
Retrieval of aerosol properties using relative radiance measurements from an all-sky camera	13
IMK/IAA MIPAS temperature retrieval version 8: nominal measurements	13
Internal consistency of the IAGOS ozone and carbon monoxide measurements for the last 25 years	13
Development of a new correction algorithm applicable to any filter-based absorption photometer	13
Comparative characterization of the performance of bio-aerosol nebulizers in connection with atmospheric simulation chambers	13
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	13
The EarthCARE mission – science and system overview	13
Revisiting wind speed measurements using actively heated fiber optics: a wind tunnel study	13
Towards spaceborne monitoring of localized CO<sub>2</sub> emissions: an instrument concept and first performance assessment	13
Validation of Aeolus Level 2B wind products using wind profilers, ground-based Doppler wind lidars, and radiosondes in Japan	13
Determination of the emission rates of CO<sub>2</sub> point sources with airborne lidar	13
Distributed observations of wind direction using microstructures attached to actively heated fiber-optic cables	13
Ozone formation sensitivity study using machine learning coupled with the reactivity of volatile organic compound species	13
Design and characterization of a semi-open dynamic chamber for measuring biogenic volatile organic compound (BVOC) emissions from plants	13
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	13
Validation of the Aeolus L2B wind product with airborne wind lidar measurements in the polar North Atlantic region and in the tropics	13
An evaluation of the heat test for the ice-nucleating ability of minerals and biological material	13
Establishment of AIRS climate-level radiometric stability using radiance anomaly retrievals of minor gases and sea surface temperature	12
Retrieval improvements for the ALADIN Airborne Demonstrator in support of the Aeolus wind product validation	12
Quantifying fugitive gas emissions from an oil sands tailings pond with open-path Fourier transform infrared measurements	12
A study on the performance of low-cost sensors for source apportionment at an urban background site	12
Optimal use of the Prede POM sky radiometer for aerosol, water vapor, and ozone retrievals	12
Modification of a conventional photolytic converter for improving aircraft measurements of NO<sub>2</sub> via chemiluminescence	12
Directionally dependent Lambertian-equivalent reflectivity (DLER) of the Earth's surface measured by the GOME-2 satellite instruments	12
Correction of a lunar-irradiance model for aerosol optical depth retrieval and comparison with a star photometer	12
Airborne lidar observations of wind, water vapor, and aerosol profiles during the NASA Aeolus calibration and validation (Cal/Val) test flight campaign	12
Performance characterization of low-cost air quality sensors for off-grid deployment in rural Malawi	12
Determining cloud thermodynamic phase from the polarized Micro Pulse Lidar	12
Measurement of iodine species and sulfuric acid using bromide chemical ionization mass spectrometers	12
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	12
Analysis of 3D cloud effects in OCO-2 XCO2 retrievals	12
Estimation of particulate organic nitrates from thermodenuder–aerosol mass spectrometer measurements in the North China Plain	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
Application of the ECT9 protocol for radiocarbon-based source apportionment of carbonaceous aerosols	12
Design and field campaign validation of a multi-rotor unmanned aerial vehicle and optical particle counter	12