Yufang Tian
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View article: Evaluating Students’ Dose of Ambient PM2.5 While Active Home-School Commuting with Spatiotemporally Dense Observations from Mobile Monitoring Fleets
Evaluating Students’ Dose of Ambient PM2.5 While Active Home-School Commuting with Spatiotemporally Dense Observations from Mobile Monitoring Fleets Open
Understanding the dose of ambient PM2.5 inhaled by middle school students during active commuting between home and school is essential for optimizing their travel routes and reducing associated health risks. However, accurately modeling th…
View article: Tropospheric Gravity Waves Increase the Likelihood of Double Tropopauses
Tropospheric Gravity Waves Increase the Likelihood of Double Tropopauses Open
The tropopause region is crucial for the stratosphere‐troposphere exchange (STE) and acts as an indicator of climate change. Double tropopauses (DTs) act to increase the STE process but their driving mechanisms remain an open question. The…
View article: Evaluation of the Horizontal Winds Simulated by IAP-HAGCM through Comparison with Beijing MST Radar Observations
Evaluation of the Horizontal Winds Simulated by IAP-HAGCM through Comparison with Beijing MST Radar Observations Open
The performance of general circulation models (GCMs) in simulating horizontal winds is important because the distribution and variation in horizontal winds are central to investigating atmospheric dynamic characteristics and processes. Als…
View article: Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results
Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results Open
An international joint research project, entitled Interhemispheric Coupling Study by Observations and Modelling (ICSOM), is ongoing. In the late 2000s, an interesting form of interhemispheric coupling (IHC) was discovered: when warming occ…
View article: The influence of the Asian summer monsoon on volcanic aerosol transport in the UTLS region
The influence of the Asian summer monsoon on volcanic aerosol transport in the UTLS region Open
This study analyses the influence of the Asian summer monsoon on volcanic aerosol transport. Realistic, altitude-resolved SO 2 emissions of a middle-latitude volcanic eruption (Sarychev 2009) and a tropical volcanic eruption (Nabro 2011) w…
View article: Interhemispheric Coupling Study by Observations and Modelling (ICSOM)
Interhemispheric Coupling Study by Observations and Modelling (ICSOM) Open
An international joint research project, entitled Interhemispheric Coupling Study by Observations and Modelling (ICSOM), is ongoing. In the late 2000s, an interesting form of interhemispheric coupling (IHC) was discovered: when warming occ…
View article: Turbulence parameters measured by the Beijing mesosphere–stratosphere–troposphere radar in the troposphere and lower stratosphere with three models: comparison and analyses
Turbulence parameters measured by the Beijing mesosphere–stratosphere–troposphere radar in the troposphere and lower stratosphere with three models: comparison and analyses Open
Based on the quality-controlled observational spectral width data of the Beijing mesosphere–stratosphere–troposphere (MST) radar in the altitudinal range of 3–19.8 km from 2012 to 2014, this paper analyses the relationship between the prop…
View article: Turbulence Parameters in the Troposphere—Lower Stratosphere Observed by Beijing MST Radar
Turbulence Parameters in the Troposphere—Lower Stratosphere Observed by Beijing MST Radar Open
Based on three years of data observed by Beijing MST radar between 2012 and 2014, this study gives the distribution characteristics of the turbulence energy dissipation rate ε and the vertical turbulence diffusion coefficient Kz in the tro…
View article: Comment on amt-2021-309
Comment on amt-2021-309 Open
Abstract. Based on the quality-controlled observational spectral width data of the Beijing Mesosphere–Stratosphere–Troposphere (MST) radar in the altitudinal range of 3–19.8 km from 2012 to 2014, this paper analyzes the re…
View article: Comment on amt-2021-309
Comment on amt-2021-309 Open
Abstract. Based on the quality-controlled observational spectral width data of the Beijing mesosphere–stratosphere–troposphere (MST) radar in the altitudinal range of 3–19.8 km from 2012 to 2014, this paper analyses the re…
View article: Turbulence parameters measured by the Beijing Mesosphere–Stratosphere–Troposphere radar in the troposphere/lower stratosphere with three models: Comparison and analyses
Turbulence parameters measured by the Beijing Mesosphere–Stratosphere–Troposphere radar in the troposphere/lower stratosphere with three models: Comparison and analyses Open
Based on the quality-controlled observational spectral width data of the Beijing Mesosphere–Stratosphere–Troposphere (MST) radar in the altitudinal range of 3–19.8 km from 2012 to 2014, this paper analyzes the relationship between the prop…
View article: Construction Progress of Chinese Meridian Project Phase II
Construction Progress of Chinese Meridian Project Phase II Open
View article: Corrigendum to ‘Particle reflectivity and movements in cirrus clouds over Beijing from four years of Ka radar measurements’ [Atmospheric Research 248 (2021) 105211]
Corrigendum to ‘Particle reflectivity and movements in cirrus clouds over Beijing from four years of Ka radar measurements’ [Atmospheric Research 248 (2021) 105211] Open
View article: Properties of ice cloud over Beijing from surface Ka-band radar observations during 2014–2017
Properties of ice cloud over Beijing from surface Ka-band radar observations during 2014–2017 Open
The physical properties and radiative role of ice clouds remain one of the uncertainties in the Earth–atmosphere system. In this study, we present a detailed analysis of ice cloud properties based on 4 years of surface millimeter-wavelengt…
View article: Particle reflectivity and movements in cirrus clouds over Beijing from four years of Ka radar measurements
Particle reflectivity and movements in cirrus clouds over Beijing from four years of Ka radar measurements Open
Cirrus clouds are ice clouds. Our understanding of the basic microscale physics of ice clouds is not yet adequate. In this study, interior physical properties of cirrus clouds over Beijing are investigated based on four years of continuous…
View article: Recent Progress of APSOS-Tibet System Observation-Current Status and Future Plan
Recent Progress of APSOS-Tibet System Observation-Current Status and Future Plan Open
<p>To understand the dynamics-physics-chemistry processes of the whole atmosphere, from earth surface to lower thermosphere, a synthetic observation system was established over the Tibetan Plateau at the end of 2017. This system cons…
View article: Properties of mid-latitude cirrus cloud from surface Ka-band radar observations during 2014–2017
Properties of mid-latitude cirrus cloud from surface Ka-band radar observations during 2014–2017 Open
The physical properties and radiative role of cirrus clouds remain one of the uncertainties in the Earth–atmosphere system. In this study, we present a detailed analysis of cirrus properties based on four years of surface millimetre wavele…
View article: High-resolution Beijing mesosphere–stratosphere–troposphere (MST) radar detection of tropopause structure and variability over Xianghe (39.75° N, 116.96° E), China
High-resolution Beijing mesosphere–stratosphere–troposphere (MST) radar detection of tropopause structure and variability over Xianghe (39.75° N, 116.96° E), China Open
As a result of partial specular reflection from the atmospheric stable layer, the radar tropopause (RT) can simply and directly be detected by VHF radars with vertical incidence. Here, the Beijing mesosphere–stratosphere–troposphere (MST) …
View article: High-resolution Beijing MST radar detection of tropopause structure and variability over Xianghe (39.75° N, 116.96° E), China
High-resolution Beijing MST radar detection of tropopause structure and variability over Xianghe (39.75° N, 116.96° E), China Open
As a result of partial specular reflection from the atmospheric stable layer, the radar tropopause (RT) can simply and directly be detected by VHF radars with vertical incidence. Here, the Beijing MST radar measurements are used to investi…
View article: Strong downdrafts preceding rapid tropopause ascent and their potential to identify cross-tropopause stratospheric intrusions
Strong downdrafts preceding rapid tropopause ascent and their potential to identify cross-tropopause stratospheric intrusions Open
The capability of measuring three-dimensional wind and tropopause structure with relatively high time and vertical resolution makes very-high-frequency (VHF) radars a potentially important tool for studying various processes of the atmosph…
View article: Strong downdrafts preceding rapid tropopause ascent and their potential to identify cross-tropopause stratospheric intrusions
Strong downdrafts preceding rapid tropopause ascent and their potential to identify cross-tropopause stratospheric intrusions Open
The capability of measuring 3-dimensional wind and tropopause structure with relatively high time and vertical resolution makes VHF radar a potentially significant tool for studying various processes of the atmosphere. Here the potential d…
View article: Supplementary material to "Strong downdrafts preceding rapid tropopause ascent and their potential to identify cross-tropopause stratospheric intrusions"
Supplementary material to "Strong downdrafts preceding rapid tropopause ascent and their potential to identify cross-tropopause stratospheric intrusions" Open