Methane Vertical Profile Retrieval from the Thermal and Near-Infrared Atmospheric Spectra

被引：5
|
作者：
Zadvornykh, I., V [1 ]
Gribanov, K. G. [1 ]
Zakharov, V., I [1 ]
Imasu, R. [2 ]
机构：
[1] Ural Fed Univ, Inst Nat Sci & Math, Ekaterinburg 620000, Russia
[2] Univ Tokyo, Atmosphere & Ocean Res Inst, Chiba 2778568, Japan
来源：
ATMOSPHERIC AND OCEANIC OPTICS | 2019年 / 32卷 / 02期
基金：
俄罗斯科学基金会;
关键词：
remote sensing; atmospheric spectra; inverse problem; methane; RADIATIVE-TRANSFER CODE; SATELLITE; MODEL;
D O I：
10.1134/S1024856019020179
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We present a method and algorithm for inverse problem solution in satellite sounding of the atmosphere for retrieval of vertical profiles of optically active gases by joint use of high-resolution thermal and near-infrared atmospheric spectra. To show the capabilities of the method, a computational experiment was performed on retrieving the vertical profile of the main methane isotopologue with simultaneous use of the simulated thermal and near-infrared spectra. The spectra simulated are similar to those measured by TANSO-FTS/GOSAT IR spectrometer. The signal-to-noise ratio in the simulated spectra was set to 350. The model experiments show higher accuracy of retrieval of the methane vertical profile and its total column in the case when both spectral bands (thermal and near-IR) are used in comparison with the case when each band is used separately.
引用
收藏
页码：152 / 157
页数：6
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