Ping Tian
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View article: Aircraft-based observation of volatile organic compounds (VOCs) over the North China Plain
Aircraft-based observation of volatile organic compounds (VOCs) over the North China Plain Open
The vertical distribution of reactive trace gases can greatly help understand the complex atmospheric evolution under the joint impacts of surface emission, chemical removal, and regional transport. Focusing on the core area of the North C…
View article: An improved Freezing Ice Nucleation Detection Analyzer (FINDA) for droplet immersion freezing measurement
An improved Freezing Ice Nucleation Detection Analyzer (FINDA) for droplet immersion freezing measurement Open
Heterogeneous ice nucleation initiated by atmospheric ice-nucleating particles (INPs) is a key microphysical process for cloud formation. Detecting the ice nucleation ability (INA) and concentration of INPs is essential for improving globa…
View article: Why Does the Norwegian Sea‐Barents Sea Region Have the Smallest Amount of Stratocumulus in Summer?
Why Does the Norwegian Sea‐Barents Sea Region Have the Smallest Amount of Stratocumulus in Summer? Open
The melting of sea ice in the Arctic has sparked research into how clouds form in exposed ice‐free zones. This study delves into the seasonal distribution of stratocumulus clouds over the Norwegian Sea‐Barents Sea region and presents a con…
View article: Evolution of Aerosol Particle Number Size Distribution in Statistical Thermodynamic Equilibrium During New Particle Formation and Growth
Evolution of Aerosol Particle Number Size Distribution in Statistical Thermodynamic Equilibrium During New Particle Formation and Growth Open
The aerosol particle number size distribution (PNSD) is pivotal in estimating the corresponding transport, transformation, environmental impacts, and climate effects. This study explores the statistical thermodynamic characteristics of PNS…
View article: Accelerated impact of airborne glaciogenic seeding of stratiform clouds by turbulence
Accelerated impact of airborne glaciogenic seeding of stratiform clouds by turbulence Open
Several recent studies have reported complete cloud glaciation induced by airborne-based glaciogenic cloud seeding over plains. Since turbulence is an important factor controlling mixed-phase clouds, including ice initiation, snow growth, …
View article: Aircraft-based observation of volatile organic compounds (VOCs) over the North China Plain
Aircraft-based observation of volatile organic compounds (VOCs) over the North China Plain Open
The vertical distribution of reactive trace gases can greatly help understand the complex atmospheric evolution under the joint impacts of surface emission, chemical removal, and regional transport. Focusing on the core area of the North C…
View article: A novel method for quantifying the contribution of regional transport to PM <sub>2.5</sub> in Beijing (2013–2020): combining machine learning with concentration-weighted trajectory analysis
A novel method for quantifying the contribution of regional transport to PM <sub>2.5</sub> in Beijing (2013–2020): combining machine learning with concentration-weighted trajectory analysis Open
Fine particulate matter (PM2.5) is closely linked to human health, with its sources generally divided into local emissions and regional transport. This study combined concentration-weighted trajectory (CWT) analysis with the HYSPLIT trajec…
View article: Geospatial micro-estimates of slum populations in 129 Global South countries using machine learning and public data
Geospatial micro-estimates of slum populations in 129 Global South countries using machine learning and public data Open
Slums are a visible manifestation of poverty in Global South countries. Reliable estimation of slum population is crucial for urban planning, humanitarian aid provision, and improving well-being. However, large-scale and fine-grained mappi…
View article: FPGA coarse-fine heterogeneous fusion dual femtosecond laser ranging for high-precision dynamic ambiguity-free measurement
FPGA coarse-fine heterogeneous fusion dual femtosecond laser ranging for high-precision dynamic ambiguity-free measurement Open
To address the inherent trade-off between measurement range and precision as well as the limitations posed by ambiguity range in large-scale high-precision distance measurements, in this paper, we propose a dual femtosecond laser time-of-f…
View article: An improved Freezing Ice Nucleation Detection Analyzer (FINDA) for droplet immersion freezing measurement
An improved Freezing Ice Nucleation Detection Analyzer (FINDA) for droplet immersion freezing measurement Open
Heterogeneous ice nucleation initiated by atmospheric ice-nucleating particles (INPs) is a key microphysical process for cloud formation. Detecting the ice nucleation ability (INA) and concentration of INPs is essential for improving globa…
View article: Emergence of <i>Staphylococcus aureus</i> Resistance to Antimicrobial Peptides Nisin, NZ2114 and Bacitracin Involves Multiple Phenotypic Changes
Emergence of <i>Staphylococcus aureus</i> Resistance to Antimicrobial Peptides Nisin, NZ2114 and Bacitracin Involves Multiple Phenotypic Changes Open
The rise of antibiotic‐resistant bacteria has intensified global interest in antimicrobial peptides (AMPs) as promising feed additives. Although AMPs were initially considered less prone to resistance due to their broad‐spectrum activity, …
View article: Vertically Resolved Formation Mechanisms of Fine Particulate Nitrate in Asian Megacities: Synergistic Lidar-Aircraft Observations and Process-Based Analysis
Vertically Resolved Formation Mechanisms of Fine Particulate Nitrate in Asian Megacities: Synergistic Lidar-Aircraft Observations and Process-Based Analysis Open
The vertical distribution of particulate nitrate is crucial for understanding its formation mechanisms and developing urban haze reduction strategies. This study uses advanced technologies to collect continuous vertical data on nitrate con…
View article: Scientific Directions for Cloud Chamber Research: Instrumentation, Modeling, New Chambers, and Emerging Chamber Concepts
Scientific Directions for Cloud Chamber Research: Instrumentation, Modeling, New Chambers, and Emerging Chamber Concepts Open
The Workshop on Scientific Directions for Cloud Chamber Research was held 13-14 July 2024 at the National Institute for Meteorological Sciences, Jeju, South Korea. Here, over 75 scientists from 13 countries gathered to learn about and disc…
View article: &#160;A new parameterization for simulating global ice-nucleating particle concentrations based on long-term &#160;measurements with a network of expansion chambers&#160;
 A new parameterization for simulating global ice-nucleating particle concentrations based on long-term  measurements with a network of expansion chambers  Open
The most important milestone in a mixed-phase cloud’s life is the initiation of ice. If we cannot sufficiently capture this process in weather and climate models then it is unlikely that the cloud’s properties and evolution wil…
View article: Cleansing Beijing Air Pollution by Extensive Precipitation Leads to Marine‐Like Clouds With Warm Rain
Cleansing Beijing Air Pollution by Extensive Precipitation Leads to Marine‐Like Clouds With Warm Rain Open
Warm rain prevails in clean marine clouds and is one of the most abundant types of precipitation in the world. However, warm rain is rarely observed in urban polluted atmospheric environments due to high number concentrations of aerosols g…
View article: Accelerated impact of airborne glaciogenic seeding of stratiform clouds by turbulence
Accelerated impact of airborne glaciogenic seeding of stratiform clouds by turbulence Open
Several recent studies have reported complete cloud glaciation induced by airborne-based glaciogenic cloud seeding over plains. Since turbulence is an important factor controlling mixed-phase clouds, including ice initiation, snow growth, …
View article: Estimating the concentration of silver iodide needed to detect unambiguous signatures of glaciogenic cloud seeding
Estimating the concentration of silver iodide needed to detect unambiguous signatures of glaciogenic cloud seeding Open
Detecting an unambiguous radar reflectivity signature is vital for investigating cloud-seeding impacts. The radar reflectivity change attributed to seeding depends on both the cloud conditions and the concentration of silver iodide (AgI) p…
View article: Microphysical view of the development and ice production of mid-latitude stratiform clouds with embedded convection during an extratropical cyclone
Microphysical view of the development and ice production of mid-latitude stratiform clouds with embedded convection during an extratropical cyclone Open
The microphysical properties associated with ice production importantly determine precipitation rates. In this study, the microphysical properties of stratiform clouds with embedded convection during an extratropical cyclone over northern …
View article: Increased Freezing Temperature of Clouds Over China Due To Anthropogenic Pollution
Increased Freezing Temperature of Clouds Over China Due To Anthropogenic Pollution Open
The temperature for cloud glaciation importantly determines the initialization of precipitation and lifetime of clouds. The role of anthropogenic pollutants as ice nucleating particles (INPs) to determine the cloud glaciation remains uncer…
View article: A Novel Method for Quantifying the Contribution of Regional Transport to PM <sub>2.5</sub> in Beijing (2013–2020): Combining Machine Learning with Concentration-Weighted Trajectory Analysis
A Novel Method for Quantifying the Contribution of Regional Transport to PM <sub>2.5</sub> in Beijing (2013–2020): Combining Machine Learning with Concentration-Weighted Trajectory Analysis Open
Fine particulate matter (PM2.5) is closely linked to human health, with its sources generally divided into local emissions and regional transport. This study combined concentration-weighted trajectory (CWT) analysis with the HYSPLIT trajec…
View article: The Construction of Localized Teaching Model of Orff Music Teaching Method Based on Big Data Analysis
The Construction of Localized Teaching Model of Orff Music Teaching Method Based on Big Data Analysis Open
This paper discusses how Orff's music education system is combined with the localized teaching mode under the background of globalization, especially with the support of big data analysis to realize the innovation of music education. Orff'…
View article: Estimating the concentration of silver iodide needed to detect unambiguous signatures of glaciogenic cloud seeding
Estimating the concentration of silver iodide needed to detect unambiguous signatures of glaciogenic cloud seeding Open
Detecting an unambiguous radar reflectivity signature is vital to investigate cloud seeding impacts. Radar reflectivity change attributed to seeding depends on both the cloud conditions and on the concentration of silver iodide (AgI) parti…
View article: Enhanced formation of nitrogenous organic aerosols and brown carbon after aging in the planetary boundary layer
Enhanced formation of nitrogenous organic aerosols and brown carbon after aging in the planetary boundary layer Open
Particulate organic nitrates (pON) significantly contribute to the mass of organic aerosol and influence the nitrogen oxides cycle in the atmosphere, but their evolution and lifetime remain uncertain. This study performed simultaneous meas…