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Analysis of the Characteristics of Tropospheric NO2 in Xianghe Based on MAX-DOAS Measurement
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    Abstract:

    Based on the measurements by Multi-Axis Differential Optical Absorption Spectroscopy (MAX-DOAS) and the 32-m meteorological tower at Xianghe station of Atmospheric Comprehensive Observation, Institute of Atmospheric Physics, Chinese Academy of Sciences (Xianghe: 39.77°N, 117.0°E), from March 2010 to February 2012, the tropospheric vertical column density (VCD) of NO2 in Xianghe was retrieved and its seasonal characteristics were analyzed. The results show that MAX-DOAS is an effective method for measuring NO2 VCD, which can be well retrieved from wavelength intervals of 455-485 nm in the visible and 330-370 nm in the UV range. NO2 VCD in Xianghe has an obvious seasonal variation, with its monthly mean being maximum in winter (November) and minimum in summer (July). The variation of NO2 VCD is closely related to solar radiation intensity, source emission, atmospheric stability, and wind. Higher values of NO2 VCD are observed in the eastern part of the region; the diurnal variation of NO2 VCD is obvious in autumn and winter.

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王婷,王普才,余环,孙丽.2014.华北地区香河站对流层NO2的MAX-DOAS光谱仪观测及变化特征分析[J].气候与环境研究,19(1):51-60. WANG Ting, WANG Pucai, YU Huan, SUN Li.2014. Analysis of the Characteristics of Tropospheric NO2 in Xianghe Based on MAX-DOAS Measurement[J]. Climatic and Environmental Research (in Chinese],19(1):51-60.

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History
  • Received:July 24,2012
  • Revised:November 12,2012
  • Adopted:
  • Online: January 02,2014
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