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Compact Open-Path Sensor for Fast Measurements of CO2 and H2O using Scanned-Wavelength Modulation Spectroscopy with 1f-Phase Method

文献类型：期刊论文

作者Li, Xiang5; Yuan, Feng4; Hu, Mai4; Chen, Bin4; He, Yabai4; Yang, Chenguang3; Shi, Lifang2; Kan, Ruifeng1,4
刊名SENSORS
出版日期2020-04-01
卷号20期号:7页码:15
关键词in-situ sensors rapid detection atmospheric gases costal environment carbon dioxide water vapor
DOI10.3390/s20071910
英文摘要We report here the development of a compact, open-path CO2 and H2O sensor based on the newly introduced scanned-wavelength modulation spectroscopy with the first harmonic phase angle (scanned-WMS-theta 1f) method for high-sensitivity, high temporal resolution, ground-based measurements. The considerable advantage of the sensor, compared with existing commercial ones, lies in its fast response of 500 Hz that makes this instrument ideal for resolving details of high-frequency turbulent motion in exceptionally dynamic coastal regions. The good agreement with a commercial nondispersive infrared analyzer supports the utility and accuracy of the sensor. Allan variance analysis shows that the concentration measurement sensitivities can reach 62 ppb CO2 in 0.06 s and 0.89 ppm H2O vapor in 0.26 s averaging time. Autonomous field operation for 15-day continuous measurements of greenhouse gases (CO2 /H2O) was performed on a shore-based monitoring tower in Daya Bay, demonstrating the sensor's long-term performance. The capability for high-quality fast turbulent atmospheric gas observations allow the potential for better characterization of oceanographic processes.
WOS关键词GAS-ABSORPTION ; CARBON-DIOXIDE ; TRACE GASES ; AIR ; TEMPERATURE ; FLUXES ; OCEAN
资助项目National Key Research and Development Program of China[2016YFC0302300]
WOS研究方向Chemistry ; Engineering ; Instruments & Instrumentation
语种英语
出版者MDPI
WOS记录号WOS:000537110500106
资助机构National Key Research and Development Program of China
源URL[http://ir.idsse.ac.cn/handle/183446/7695]  
专题深海工程技术部_深海资源开发研究室
通讯作者Kan, Ruifeng
作者单位1.Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Appl Opt, Changchun 130033, Peoples R China
2.Chinese Acad Sci, Inst Opt & Elect, Chengdu 610200, Sichuan, Peoples R China
3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya 572000, Peoples R China
4.Chinese Acad Sci, Anhui Inst Opt & Fine Mech, Key Lab Environm Opt & Technol, Hefei 230031, Peoples R China
5.Univ Sci & Technol China, Coll Environm Sci & Optoelect Technol, Hefei 230026, Peoples R China
推荐引用方式
GB/T 7714		 Li, Xiang,Yuan, Feng,Hu, Mai,et al. Compact Open-Path Sensor for Fast Measurements of CO2 and H2O using Scanned-Wavelength Modulation Spectroscopy with 1f-Phase Method[J]. SENSORS,2020,20(7):15.
APA Li, Xiang.,Yuan, Feng.,Hu, Mai.,Chen, Bin.,He, Yabai.,...&Kan, Ruifeng.(2020).Compact Open-Path Sensor for Fast Measurements of CO2 and H2O using Scanned-Wavelength Modulation Spectroscopy with 1f-Phase Method.SENSORS,20(7),15.
MLA Li, Xiang,et al."Compact Open-Path Sensor for Fast Measurements of CO2 and H2O using Scanned-Wavelength Modulation Spectroscopy with 1f-Phase Method".SENSORS 20.7(2020):15.

入库方式： OAI收割

来源：深海科学与工程研究所

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