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典型文献
Observations of Dynamic Turbulence in the Lower Stratosphere over Inner Mongolia Using a High-resolution Balloon Sensor Constant Temperature Anemometer
文献摘要:
We present characterizations of the dynamic turbulence in the lower stratosphere measured by a new balloon-based system designed for detecting finer scale dynamic turbulence. The balloon-based system included a constant temperature anemometer (CTA) operating at a sampling rate of 2 kHz at an ascent speed of 5 m s?1 (corresponding to a vertical resolution of 2.5 mm), an industrial personal computer, batteries, sensors for ambient temperature and humidity, an A/D converter, and others. The system was successfully launched to 24 km altitude over Bayannur City, Inner Mongolia Province. Results show the spatial intermittence of the turbulence layers, with clear boundaries between turbulent and non-turbulent regions. This is the first time that the dynamic turbulence spectrum down to the viscous sub-range has been obtained throughout the lower stratosphere over China. With that, the energy dissipation rates of dynamic turbulence could be calculated with high precision. The profile of the dissipation rates varied from 7.37 × 10?7 to 4.23 W kg?1 and increased with altitude in the stratosphere.
文献关键词:
作者姓名:
Xiaoyu REN;Yi LIU;Zhaonan CAI;Yuli ZHANG
作者机构:
Carbon Neutrality Research Center,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing100029,China;University of Chinese Academy of Sciences,Beijing 100049,China
引用格式:
[1]Xiaoyu REN;Yi LIU;Zhaonan CAI;Yuli ZHANG-.Observations of Dynamic Turbulence in the Lower Stratosphere over Inner Mongolia Using a High-resolution Balloon Sensor Constant Temperature Anemometer)[J].大气科学进展(英文版),2022(03):519-528
A类:
Anemometer,anemometer,Bayannur
B类:
Observations,Dynamic,Turbulence,Lower,Stratosphere,over,Inner,Mongolia,Using,High,resolution,Balloon,Sensor,Constant,Temperature,We,present,characterizations,dynamic,turbulence,lower,stratosphere,measured,by,new,balloon,system,designed,detecting,finer,scale,included,constant,temperature,CTA,operating,sampling,kHz,ascent,speed,corresponding,vertical,industrial,personal,computer,batteries,sensors,ambient,humidity,converter,others,was,successfully,launched,altitude,City,Province,Results,show,spatial,intermittence,layers,clear,boundaries,between,turbulent,regions,This,first,that,spectrum,down,viscous,sub,range,has,been,obtained,throughout,China,With,energy,dissipation,rates,could,calculated,high,precision,profile,varied,from,increased
AB值:
0.616819
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