A method for retrieving thermospheric O/N2 from measurements of OI 130.4 nm dayglow

Jing Wang; Yi Tang; Yi Bing Nan; Guo Qiang Ni

doi:10.3964/j.issn.1000-0593(2015)08-2263-05

A method for retrieving thermospheric O/N₂ from measurements of OI 130.4 nm dayglow

Jing Wang, Yi Tang^*, Yi Bing Nan, Guo Qiang Ni

^*Corresponding author for this work

School of Optics and Photonics

Beijing Institute of Technology

Research output: Contribution to journal › Article › peer-review

Abstract

Thermospheric O/N₂ can be retrieved from the radiance of OI 130.4 nm dayglow. In the paper, the algebraic relationship between the two variables is established, and the characteristics of the radiance varying with observing angle and solar zenith angles are discussed, based on which the look-up tables of the regularization factors are made up, thus putting up a method for retrieving thermospheric O/N₂ from measurements of OI 130.4 nm dayglow and meanwhile introducing a correcting coefficient in the algorithm to dismiss the error brought about by the difference between the ideal atmosphere representative by NRLMSISE-00 and the real atmosphere. Finally, the simulated dayglow radiance data of Oct 1, 2002 are used as an example to testify the validation of the algorithm. The results demonstrated that the algorithm is able to reconstruct most of the features of O/N₂ and has an obvious advantage over the conventional algorithm.

Original language	English
Pages (from-to)	2263-2267
Number of pages	5
Journal	Guang Pu Xue Yu Guang Pu Fen Xi/Spectroscopy and Spectral Analysis
Volume	35
Issue number	8
DOIs	https://doi.org/10.3964/j.issn.1000-0593(2015)08-2263-05
Publication status	Published - 1 Aug 2015

Keywords

Dayglow
Deviation Correction
OI 130.4 nm
Retrieving Method

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10.3964/j.issn.1000-0593(2015)08-2263-05

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title = "A method for retrieving thermospheric O/N2 from measurements of OI 130.4 nm dayglow",

abstract = "Thermospheric O/N2 can be retrieved from the radiance of OI 130.4 nm dayglow. In the paper, the algebraic relationship between the two variables is established, and the characteristics of the radiance varying with observing angle and solar zenith angles are discussed, based on which the look-up tables of the regularization factors are made up, thus putting up a method for retrieving thermospheric O/N2 from measurements of OI 130.4 nm dayglow and meanwhile introducing a correcting coefficient in the algorithm to dismiss the error brought about by the difference between the ideal atmosphere representative by NRLMSISE-00 and the real atmosphere. Finally, the simulated dayglow radiance data of Oct 1, 2002 are used as an example to testify the validation of the algorithm. The results demonstrated that the algorithm is able to reconstruct most of the features of O/N2 and has an obvious advantage over the conventional algorithm.",

keywords = "Dayglow, Deviation Correction, OI 130.4 nm, Retrieving Method",

author = "Jing Wang and Yi Tang and Nan, {Yi Bing} and Ni, {Guo Qiang}",

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AU - Wang, Jing

AU - Tang, Yi

AU - Nan, Yi Bing

AU - Ni, Guo Qiang

PY - 2015/8/1

Y1 - 2015/8/1

N2 - Thermospheric O/N2 can be retrieved from the radiance of OI 130.4 nm dayglow. In the paper, the algebraic relationship between the two variables is established, and the characteristics of the radiance varying with observing angle and solar zenith angles are discussed, based on which the look-up tables of the regularization factors are made up, thus putting up a method for retrieving thermospheric O/N2 from measurements of OI 130.4 nm dayglow and meanwhile introducing a correcting coefficient in the algorithm to dismiss the error brought about by the difference between the ideal atmosphere representative by NRLMSISE-00 and the real atmosphere. Finally, the simulated dayglow radiance data of Oct 1, 2002 are used as an example to testify the validation of the algorithm. The results demonstrated that the algorithm is able to reconstruct most of the features of O/N2 and has an obvious advantage over the conventional algorithm.

AB - Thermospheric O/N2 can be retrieved from the radiance of OI 130.4 nm dayglow. In the paper, the algebraic relationship between the two variables is established, and the characteristics of the radiance varying with observing angle and solar zenith angles are discussed, based on which the look-up tables of the regularization factors are made up, thus putting up a method for retrieving thermospheric O/N2 from measurements of OI 130.4 nm dayglow and meanwhile introducing a correcting coefficient in the algorithm to dismiss the error brought about by the difference between the ideal atmosphere representative by NRLMSISE-00 and the real atmosphere. Finally, the simulated dayglow radiance data of Oct 1, 2002 are used as an example to testify the validation of the algorithm. The results demonstrated that the algorithm is able to reconstruct most of the features of O/N2 and has an obvious advantage over the conventional algorithm.

KW - Dayglow

KW - Deviation Correction

KW - OI 130.4 nm

KW - Retrieving Method

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A method for retrieving thermospheric O/N₂ from measurements of OI 130.4 nm dayglow

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Keywords

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