Data set of comprehensive observation system for carbon dioxide isotopes during soil biochemistry process: multichannel measurement system for soil microbial CO2 and δ13C fluxes that can automatically control and change the temperature (2019-2020)
1. Document name: data of multichannel measurement system for soil microbial CO2 and δ13C fluxes that can automatically control and change the temperature is stored in text format. The name of the file is "yyyyddd. TXT", where yyyy represents year and DDD represents Julian date. For example, 202001.txt represents this ASCII file, which describes soil respiration and CO2 on the first day of 2020 δ 13C status.
2. Usage: three methods are usually used to judge the data quality: 1) instrument performance parameters (analyzer chamber temperature and pressure, etc.) are judged by whether the measured parameters are within the theoretical value range required by the analyzer; 2) Standard gas correction (CO2 concentration and δ 13C), we used 3 bottles of known concentrations and δ For the standard gas with 13C value, the measured CO2 concentration and δ 13C, and judge whether the mean value of the measured value is within the theoretical value range; 3) Calibration of sample gas using 3 bottles of known concentration and δ The sample gas is corrected with the standard gas of 13C value, and then the air humidity, air temperature, atmospheric pressure and the slope of flux calculation are controlled respectively to eliminate abnormal data.
Sun, X. (2021). Data set of comprehensive observation system for carbon dioxide isotopes during soil biochemistry process: multichannel measurement system for soil microbial CO2 and δ13C fluxes that can automatically control and change the temperature (2019-2020). National Tibetan Plateau Data Center, DOI: 10.11888/Soil.tpdc.271821. CSTR: 18406.11.Soil.tpdc.271821. (Download the reference： RIS | Bibtex )
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Innovative development of equipments and internet-of-things techniques for ecosystem monitoring and its demonstration (No:2016YFC0500100)
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