Sensitivity analysis of the satellite infrared hyper-spectral atmospheric sounder GIIRS on FY-4A

Chuan NONG; Qiu YIN; Ci SONG; Jiong SHU

doi:10.11972/j.issn.1001-9014.2021.03.012

Journal of Infrared and Millimeter Waves, Volume. 40, Issue 3, 353(2021)

Sensitivity analysis of the satellite infrared hyper-spectral atmospheric sounder GIIRS on FY-4A

Chuan NONG^1,2, Qiu YIN^3、*, Ci SONG^4,5, and Jiong SHU^1,2

¹Key Laboratory of Geographic Information Science Ministry of Education，East China Normal University，Shanghai 200241，China

²School of Geographic Sciences， East China Normal University， Shanghai 200241， China

³Shanghai Meteorological Service， Shanghai 200030， China

⁴College of Science， Zhongyuan University of Technology， Zhengzhou 450007， China

⁵School of Communication and Information Engineering， Shanghai University， Shanghai 200444， China

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Figures & Tables(14)

Fig. 1. The FY-4A GIIRS sounder noise sensitivity @300K for (a) long-wave band and (b) medium-wave band

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Fig. 2. The change of atmospheric water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ with the FY-4A GIIRS channels

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Fig. 3. Atmospheric water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ when only water vapor is taken into account for atmospheric absorption components

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Fig. 4. The change of atmospheric ozone sensitivity ${(A E ∆ T)}_{ν O_{3}}$ with the FY-4A GIIRS channels

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Fig. 5. The change of atmospheric CO₂ sensitivity ${(A E ∆ T)}_{ν C O_{2}}$ with the FY-4A GIIRS channels

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Fig. 6. The change of atmospheric N₂O sensitivity ${(A E ∆ T)}_{ν N_{2} O}$ with the FY-4A GIIRS channel

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Fig. 7. The change of atmospheric CH₄ sensitivity ${(A E ∆ T)}_{ν C H_{4}}$ with the FY-4A GIIRS channel

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Fig. 8. The change of atmospheric temperature sensitivity ${(A E ∆ T)}_{ν T}$ with the FY-4A GIIRS channels

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Fig. 9. Atmospheric temperature sensitivity ${(A E ∆ T)}_{ν T}$ when only water vapor is taken into account for atmospheric absorption components

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Fig. 10. The change of surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ with the FY-4A GIIRS channels

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Table 1. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS long-wave band

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Table 1. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS long-wave band

Wavenumber range（cm^-1）	Regression slope（K/100 cm^-1）	Sensitivity at the low end of range（K）	Sensitivity at the high end of range（K）	Standard deviation（K）
700~800	4.67	0.00	4.04	0.80
800-1 050	-1.08	4.04	0.94	0.44
1 050-1 130	0.84	0.94	1.65	0.76

Table 2. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS medium-wave band

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Table 2. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS medium-wave band

Wavenumber range（cm^-1）

Regression slope

（K/100 cm^-1）

Sensitivity at the low end of range（K）

Sensitivity at the high end of range（K）

Mean value

（K）

Standard deviation（K）

1 650~2 000

4.60

1.36

2 000-2 200

-1.49

3.50

0.52

1.21

Table 3. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS long-wave band
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Table 3. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS long-wave band
Wavenumber range（cm^-1） Mean value（K） Standard deviation（K）
700-750 0.04 0.07
750-800 0.44 0.21
800-1 000 0.74 0.13
1 000-1 068 0.50 0.17
1 068-1 130 0.80 0.16

Table 4. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS medium-wave band
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Table 4. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS medium-wave band
Wavenumber range（cm^-1） Mean value（K） Standard deviation（K）
1 650-1 900 0.01 0.01
1 900-2 000 0.14 0.18
2 000-2 200 0.53 0.28

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Chuan NONG, Qiu YIN, Ci SONG, Jiong SHU. Sensitivity analysis of the satellite infrared hyper-spectral atmospheric sounder GIIRS on FY-4A[J]. Journal of Infrared and Millimeter Waves, 2021, 40(3): 353

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Paper Information

Category: Research Articles

Received: Apr. 14, 2020

Accepted: --

Published Online: Sep. 9, 2021

The Author Email: Qiu YIN (yinqiu@cma.gov.cn)

DOI:10.11972/j.issn.1001-9014.2021.03.012

Topics

laser devices and laser physics

Lasers and Laser Optics

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Instrumentation, Measurement and Metrology

Table 1. The statistical characteristics of water vapor sensitivity (AE∆T)νH2O in GIIRS long-wave band

Table 1. The statistical characteristics of water vapor sensitivity (AE∆T)νH2O in GIIRS long-wave band

Table 2. The statistical characteristics of water vapor sensitivity (AE∆T)νH2O in GIIRS medium-wave band

Table 2. The statistical characteristics of water vapor sensitivity (AE∆T)νH2O in GIIRS medium-wave band

Table 3. The statistical results of the surface temperature error sensitivity (SE∆T)ν for different wavenumber ranges of FY-4A GIIRS long-wave band

Table 3. The statistical results of the surface temperature error sensitivity (SE∆T)ν for different wavenumber ranges of FY-4A GIIRS long-wave band

Table 4. The statistical results of the surface temperature error sensitivity (SE∆T)ν for different wavenumber ranges of FY-4A GIIRS medium-wave band

Table 4. The statistical results of the surface temperature error sensitivity (SE∆T)ν for different wavenumber ranges of FY-4A GIIRS medium-wave band

Table 1. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS long-wave band

Table 1. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS long-wave band

Table 2. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS medium-wave band

Table 2. The statistical characteristics of water vapor sensitivity ${(A E ∆ T)}_{ν H_{2} O}$ in GIIRS medium-wave band

Table 3. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS long-wave band

Table 3. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS long-wave band

Table 4. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS medium-wave band

Table 4. The statistical results of the surface temperature error sensitivity ${(S E ∆ T)}_{ν}$ for different wavenumber ranges of FY-4A GIIRS medium-wave band