Results 11 to 20 of about 3,413,392 (339)

Aircraft-based observation of gaseous pollutants in the lower troposphere over the Beijing-Tianjin-Hebei region.

Science of the Total Environment, 2021
To investigate the spatial and vertical distribution of atmospheric pollutants (SO2, NOx, CO and O3), aircraft-based measurements (model: Yun-12, 12 flights, 27 h total flight time) were conducted from near the surface up to 2400 m over the Beijing ...
Ruo-jie Zhao, B. Yin, N. Zhang, Jing Wang, Chunmei Geng, Xinhua Wang, B. Han, Kangwei Li, Peng Li, Hao Yu, Wen Yang, Z. Bai   +11 more
semanticscholar   +3 more sources

Aircraft observation of cloud microphysical characteristics of pre-stratiform-cloud precipitation in Jiangxi Province

Atmospheric and Oceanic Science Letters, 2017
Based on Droplet Measurement Technologies data of a pre-stratiform-cloud precipitation event in Ganzhou, Jiangxi Province, on 11 November 2015, and combined with radar data, this paper comprehensively analyzes the macro- and microphysical characteristics
Yuan Fu, Heng-Chi Lei
doaj   +2 more sources

Comparing diagnosed observation uncertainties with independent estimates: A case study using aircraft‐based observations and a convection‐permitting data assimilation system

Atmospheric Science Letters, 2021
Aircraft can report in situ observations of the ambient temperature by using aircraft meteorological data relay (AMDAR) or these can be derived using mode‐select enhanced tracking data (Mode‐S EHS).
Andrew K. Mirza, Sarah L. Dance, Gabriel G. Rooney, David Simonin, Edmund K. Stone, Joanne A. Waller   +5 more
doaj   +2 more sources

Observation uncertainty and impact of Mode‐S aircraft observations in the Met Office limited area numerical weather prediction system

Meteorological Applications
Aircraft observations derived from Mode‐Select Enhanced Surveillance (Mode‐S EHS) reports are a valuable, high temporo‐spatial resolution, source of upper‐air information that can be assimilated into numerical weather prediction models.
Taejun Song, Joanne A. Waller, David Simonin   +2 more
doaj   +2 more sources

Aircraft Observation and Study on the Snowfall Process Affected by Reflux Inverted Trough in Shanxi

Gaoyuan qixiang, 2023
On 29 November 2019， there was a snowfall process in Shanxi affected by the reflux inverted trough system.Based on the airborne cloud physics data， the evolution characteristics and ice crystal particle growth of the snowfall process were analyzed.The ...
Qiujuan FENG, Shengjie NIU, Tuanjie HOU, Zhiguo YUE, Dongdong SHEN   +4 more
doaj   +1 more source

Nighttime and Daytime Dark Oxidation Chemistry in Wildfire Plumes: An Observation and Model Analysis of FIREX-AQ Aircraft Data

Atmospheric Chemistry and Physics, 2021
. Wildfires are increasing in size across the western U.S., leading to increases in human smoke exposure and associated negative health impacts. The impact of biomass burning (BB) smoke, including wildfires, on regional air quality depends on emissions ...
Zachary C. J. Decker, M. Robinson, K. Barsanti, I. Bourgeois, M. Coggon, J. Digangi, G. Diskin, F. Flocke, A. Franchin, C. Fredrickson, G. Gkatzelis, S. Hall, H. Halliday, C. Holmes, L. G. Huey, Young Ro Lee, J. Lindaas, A. Middlebrook, D. Montzka, R. Moore, J. Neuman, J. Nowak, B. Palm, J. Peischl, F. Piel, P. Rickly, A. Rollins, T. Ryerson, R. Schwantes, K. Sekimoto, L. Thornhill, J. Thornton, G. Tyndall, K. Ullmann, Paul Van Rooy, P. Veres, C. Warneke, R. Washenfelder, A. Weinheimer, E. Wiggins, E. Winstead, A. Wisthaler, C. Womack, S. Brown   +43 more
semanticscholar   +1 more source

Blood Pressure and Arterial Stiffness in Association With Aircraft Noise Exposure:Long-Term Observation and Potential Effect of COVID-19 Lockdown

HYPERTENSION, 2021
Supplemental Digital Content is available in the text. In a cross-sectional analysis of a case-control study in 2015, we revealed the association between increased arterial stiffness (pulse wave velocity) and aircraft noise exposure.
W. Wojciechowska, A. Januszewicz, T. Drożdż, M. Rojek, Justyna Bączalska, M. Terlecki, Karolina Kurasz, A. Olszanecka, M. Smólski, A. Prejbisz, P. Dobrowolski, T. Grodzicki, T. Hryniewiecki, R. Kreutz, M. Rajzer   +14 more
semanticscholar   +1 more source

Variations of tropospheric methane over Japan during 1988–2010 [PDF]

Tellus: Series B, Chemical and Physical Meteorology, 2014
We present observations of CH4 concentrations from the lower to upper troposphere (LT and UT) over Japan during 1988–2010 based on aircraft measurements from the Tohoku University (TU).
Taku Umezawa, Daisuke Goto, Shuji Aoki, Kentaro Ishijima, Prabir K. Patra, Satoshi Sugawara, Shinji Morimoto, Takakiyo Nakazawa   +7 more
doaj   +1 more source

Multi-Case Analysis of Ice Particle Properties of Stratiform Clouds Using In Situ Aircraft Observations in Hebei, China

Atmosphere, 2022
This study investigates the size distribution, the mean diameter, and the concentration of ice particles within stratiform clouds by using in situ observations from 29 flights in Hebei, China.
Siyao Liu, Chuanfeng Zhao, Yuquan Zhou, Zhihui Wu, Zhijin Hu   +4 more
doaj   +1 more source

Hydrometeor Classification of Winter Precipitation in Northern China Based on Multi-Platform Radar Observation System

Remote Sensing, 2021
Hydrometeor classification remains a challenge in winter precipitation cloud systems. To address this issue, 42 snowfall events were investigated based on a multi-platform radar observation system (i.e., X-band dual-polarization radar, Ka-band millimeter
Yichen Chen, Xiang’e Liu, Kai Bi, Delong Zhao   +3 more
doaj   +1 more source