Systematic error estimation and correction in atmospheric CO<sub>2</sub> retrieval

Ye Hanhan; Wang Xianhua; Wu Jun; Fang Yonghua; Jiang Xinhua; Wei Qiuye

doi:10.3788/HPLPB20132511.2841

Volume 25 Issue 11

Dec. 2013

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Article Navigation > High Power Laser and Particle Beams > 2013 > 25(11): 2841-2845

Cui Chaolong, Huang Honghua, Mei Haiping, et al. Turbulent scintillation lidar for acquiring atmospheric turbulence information[J]. High Power Laser and Particle Beams, 2013, 25: 1091-1096. doi: 10.3788/HPLPB20132505.1091

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Ye Hanhan, Wang Xianhua, Wu Jun, et al. Systematic error estimation and correction in atmospheric CO₂ retrieval[J]. High Power Laser and Particle Beams, 2013, 25: 2841-2845. doi: 10.3788/HPLPB20132511.2841

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Systematic error estimation and correction in atmospheric CO₂ retrieval

doi: 10.3788/HPLPB20132511.2841

1.
Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China;
2.
School of Physical Sciences,University of Science and Technology of China,Hefei 230031,China

Received Date: 2013-02-25
Rev Recd Date: 2013-06-25
Publish Date: 2013-10-28

Abstract

Abstract

Systematic error is a part of error sources in atmospheric CO2 high precision retrieval, such as the effect of precision deficiency of temperature profile, pressure profile, H2O and atmospheric layers. This error is hard to overcome only using CO2 band, however, it is nearly independent of wavelength of radiation and can be corrected by other bands. Simulations indicate that O2 band can correct CO2 retrieval error largely. GOSAT data observing the Great Xingan Mountains were used to retrieve atmospheric CO2 and the error of CO2 retrieval indeed decreased by O2 correction obviously.
- CO2 retrieval,
- systematic error,
- O2-A band,
- correction

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