Acta Photonica Sinica, Volume. 49, Issue 3, 0301002(2020)
Analysis of Total Columns of Greenhouse Gas Based on Direct Observation and Comparison with Satellite Data in Hefei
Figures & Tables(16)
Fig. 1. Location site and the picture of Fourier transform infrared spectrometer based EM27/SUN
Fig. 5. Daily variation of total column of XH2O, XCO2, XCH4 and XCO
Fig. 7. Comparison of XCO2 based on ground-based EM27/ SUN with WACCM model and including absolute deviation
Fig. 8. Comparison of XCH4 based on ground-based EM27/ SUN with WACCM model and including absolute deviation
Fig. 9. Comparison of ground-based EM27/SUN with retrieved data from GOSAT satellite
Fig. 10. Variation of XCO2 and XCH4based on GOSAT satellites observation in the spring of 2010 to 2018
Table 1. Parameter of halogen lamp
View tableView in ArticleTable 1. Parameter of halogen lamp
Parameters Rated voltage Rated power Color temperature Rated illumination Value 12.0 V 50.0 W 3 050 K 1 000 lm
Table 2. Environmental parameters
View tableView in ArticleTable 2. Environmental parameters
Parameters Temperature Pressure Distance/cm t 1/℃t 2/℃P 1/kPaP 2/kPa401 26.5 26 100.985 100.963 519 26.2 25.8 101.050 101.031 605 25.8 26.1 101.029 100.993
Table 3. ME and PE change with distance
View tableView in ArticleTable 3. ME and PE change with distance
Distance/cm ME PE 401 0.957 2 0.005 69 519 0.965 8 0.006 13 605 0.960 2 0.005 98 Mean 0.961 1 0.005 93 Standard deviation 0.004 37 2.236 81×10－4
Table 4. Spectral windows for retrieval of column of CO2, CH4, CO, H2O and O2
View tableView in ArticleTable 4. Spectral windows for retrieval of column of CO2, CH4, CO, H2O and O2
Gases Spectral windows/cm－1 Interference molecule H2O 8 353.4~8 463.1 CH4 CO2 6 173.0~6 390.0 H2O, HDO, CH4 CH4 5 897.0~6 145.0 H2O CO 4 208.7~4 318.8 CH4, H2O, HDO O2 7 765.0~8 005.0 H2O, HF, CO2
Table 5. Daily variation of XH2O, XCO2, XCH4 and XCO
View tableView in ArticleTable 5. Daily variation of XH2O, XCO2, XCH4 and XCO
Date ΔXH2O/ ppm ΔXCO2/ppm ΔXCH4/ppm ΔXCO/ppm 180327 423.19 1.770 0.017 8 0.010 7 180328 922.21 2.206 0.018 4 0.016 3 180402 716.88 4.443 0.032 9 0.029 9 180403 289.75 2.797 0.010 0 0.015 3 180408 455.78 4.590 0.019 3 0.010 1 180409 846.09 1.857 0.006 8 0.012 3 180410 1 182.58 1.469 0.025 9 0.016 9 180420 1 080.12 2.254 0.011 9 0.021 7
Table 6. Averages and standard deviation of XH2O, XCO2, XCH4 and XCO
View tableView in ArticleTable 6. Averages and standard deviation of XH2O, XCO2, XCH4 and XCO
XH2O XCO2 XCH4 XCO Mean SD Mean SD Mean SD Mean SD 18-03-27 2 844.25 98.5 411.34 0.40 1.87 0.005 03 0.139 0.002 83 18-03-28 1 772.82 141.6 411.15 0.49 1.87 0.003 66 0.131 0.002 89 18-04-02 5 289.43 149.2 415.05 1.15 1.91 0.007 78 0.178 0.006 67 18-04-03 4 647.44 56.1 414.79 0.46 1.90 0.001 88 0.168 0.002 96 18-04-08 1 353.17 119.4 409.47 0.26 1.85 0.001 81 0.098 0.001 35 18-04-09 1 535.74 237.8 409.22 0.44 1.85 0.001 44 0.099 0.003 04 18-04-10 2 613.78 337.1 410.38 0.34 1.87 0.007 55 0.114 0.004 72 18-04-20 2 534.87 321.7 411.36 0.46 1.87 0.002 23 0.120 0.004 47
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Dan-dan LIU, Yin-bo HUANG, Zhen-song CAO, Xing-ji LU, Yu-song SUN, Qian-si TU. Analysis of Total Columns of Greenhouse Gas Based on Direct Observation and Comparison with Satellite Data in Hefei[J]. Acta Photonica Sinica, 2020, 49(3): 0301002
Paper Information
Category: Atmospheric and Oceanic Optics
Received: Oct. 23, 2019
Accepted: Dec. 12, 2019
Published Online: Apr. 24, 2020
The Author Email: CAO Zhen-song (zscao@aiofm.ac.cn)
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