Abstract
The global CO2 has increased rapidly because of the vast use of fossil fuels over past 40 years. CO, co-emitted with CO2, also increased during this period. To understand the CO2 and CO regional emission, it is necessary to monitor the atmospheric CO2 and CO. Ground-based high-resolution Fourier transform infrared spectroscopy (FTIR), an important technique to observe atmospheric trace gases, is used to measure the column-averaged dry-air mole fractions (DMF) of CO2 and CO [1]. The DMF of CO and CO2 are not only insensitive to vertical diffusion, but also insensitive to the variation of surface CO2 and CO concentrations. Therefore, high-resolution Fourier transform spectrometer (FTS) is used to measure atmospheric CO2 and CO and obtain daily variation of CO2 and CO in Hefei site. A weather station was installed near the FTS to record the weather data. And the wind speed is related to turbulence. So the wind speed time series and Cumulative Distribution Function (CDF) are also shown in data article.
Highlights
Experimental factors The ground-based high-resolution Fourier transform spectrometer (FTS) is used to record the near-infrared solar spectra for retrieval of XCO2 and XCO, and the wind speeds are recorded with the weather station
To better understand the variation of CO2, CO and meteorological data in eastern China, one of the most industrialized regions in China, the ground-based high-resolution FTS solar spectrum observation system and weather station were installed in Hefei site
The ground-based remote sensing observation system consists of three parts: high-resolution FTS (Bruker IFS 125 HR), solar tracker (A547) and weather station (ZENO, Coastal Environmental Systems, USA)
Summary
Hefei site (31.9N, 117.17E, about 30 m above the sea level) is a continental site, and the site is located in the eastern China between the Yangtze River and Huai River. The site has four distinct seasons, and the annual average precipitation and average temperature are 1000 mm and 15 C, respectively. To better understand the variation of CO2, CO and meteorological data in eastern China, one of the most. Industrialized regions in China, the ground-based high-resolution FTS solar spectrum observation system and weather station were installed in Hefei site
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