Effect of Surface Elevation on Atmospheric CO<sub>2</sub> Inversion

Song Lü; Xianhua Wang; Hanhan Ye; Yun Jiang; Hao Wu; Qinqin Li; Shichao Wu

doi:10.3788/AOS201939.0512001

Acta Optica Sinica, Volume. 39, Issue 5, 0512001(2019)

Effect of Surface Elevation on Atmospheric CO₂ Inversion

Song Lü^1,2, Xianhua Wang^1、*, Hanhan Ye¹, Yun Jiang^1,2, Hao Wu^1,2, Qinqin Li^1,2, and Shichao Wu^1,2

¹ Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China

² University of Science and Technology of China, Hefei, Anhui 230026, China

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Figures & Tables(11)

Fig. 1. Surface elevation of different landforms

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Fig. 2. Changes of surface elevation in plains

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Fig. 3. Changes of surface elevation in mountains

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Fig. 4. Changes of surface elevation in boundaries between mountainous areas and plains

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Fig. 5. Effect of surface elevation on radiance. (a) Radiance under different surface elevations; (b) local magnification

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Fig. 6. Relationship between surface elevation and column density change of CO2

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Fig. 7. Effect of surface elevation on CO2 inversion

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Table 1. Changes of surface elevation in plains
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Table 1. Changes of surface elevation in plains
Offset /km RMSE /m Extreme value of error /m
0.1 2.265 -7.11
0.5 2.313 -7.03
1 2.421 -6.97
5 4.220 8.98
10 6.949 12.73

Table 2. Changes of surface elevation in mountains
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Table 2. Changes of surface elevation in mountains
Offset /km RMSE /m Extreme value of error /m
0.1 155.25 475.07
0.5 158.80 482.21
1 164.96 485.73
5 250.45 671.33
10 338.49 713.98

Table 3. Changes of surface elevation in boundaries between mountainous areas and plains
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Table 3. Changes of surface elevation in boundaries between mountainous areas and plains
Offset /km RMSE /m Extreme value of error /m
0.1 63.51 228.63
0.5 64.50 245.38
1 67.29 265.91
5 110.34 419.01
10 152.76 515.61

Table 4. Results of CO2 inversion corresponding to different surface elevation input values
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Table 4. Results of CO2 inversion corresponding to different surface elevation input values
Surface elevation /m Column density of CO₂ /10^-6
100 386.17
200 389.07
300 392.05
400 395.10
500 398.23
600 401.44
700 404.74
800 407.80
900 411.17

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Song Lü, Xianhua Wang, Hanhan Ye, Yun Jiang, Hao Wu, Qinqin Li, Shichao Wu. Effect of Surface Elevation on Atmospheric CO₂ Inversion[J]. Acta Optica Sinica, 2019, 39(5): 0512001

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Paper Information

Category: Instrumentation, Measurement and Metrology

Received: Oct. 25, 2018

Accepted: Jan. 2, 2019

Published Online: May. 10, 2019

The Author Email:

DOI:10.3788/AOS201939.0512001

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Changes of surface elevation in plains

Table 1. Changes of surface elevation in plains

Table 2. Changes of surface elevation in mountains

Table 2. Changes of surface elevation in mountains

Table 3. Changes of surface elevation in boundaries between mountainous areas and plains

Table 3. Changes of surface elevation in boundaries between mountainous areas and plains

Table 4. Results of CO2 inversion corresponding to different surface elevation input values

Table 4. Results of CO2 inversion corresponding to different surface elevation input values