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DOI10.1016/j.ijleo.2016.06.072
The retrieval algorithm for a satellite-borne CO2-sounder: Preliminary results in near infrared band
Liu, Dongdong1; Zhang, Chunmin1; Li, Yanfen1; Zhang, Xingying2; Wang, Shupeng2; Zhang, Lu2; Zhang, Peng2; Chen, Jie1,3; Rong, Piao1
通讯作者Zhang, Chunmin
来源期刊OPTIK
ISSN0030-4026
出版年2016
卷号127期号:20页码:8613-8620
英文摘要

This study developed an inversion algorithm for the CO2-sounder instrument to be launched on a Chinese satellite. By using the LIB spectral data of the Greenhouse gases Observing Satellite (GOSAT) as input, the simulation results of the column averaged CO2 dry air mole fraction (XCO2) retrieved from the CO2-sounder algorithm were obtained and compared with the GOSAT L2 XCO2 products for different seasons and geolocations. The simulation data showed a tendency to be less than the GOSAT L2 data, but the two data sets were generally in agreement with a global mean difference of -4.05 +/- 6.06 ppm. For the matched data pairs, 51% had their relative differences less than 1% in absolute value, and 76% less than 2%. The seasonal and latitudinal variations of the XCO2 differences were also investigated, and the largest discrepancy was found in the desert areas with the relative differences of about 3%-4%. These results suggested that better consistency between the two data sets could be achieved if more realistic observational parameters instead of model values were used in the simulation. These parameters included the a priori profiles of atmospheric temperature, concentrations of CO2, O-2, and H2O, surface reflectance, aerosol and cloud indices, etc. (C) 2016 Elsevier GmbH. All rights reserved.


英文关键词Satellite-borne XCO2 Retrieval algorithm near infrared Spectrometer
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000389102500057
WOS关键词CO2 ; COLUMN ; SENSITIVITY ; CH4
WOS类目Optics
WOS研究方向Optics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195263
作者单位1.Xi An Jiao Tong Univ, Sch Sci, Xian 710049, Shaanxi, Peoples R China;
2.China Meteorol Adm, Natl Satellite Meteorol Ctr, Key Lab Radiometr Calibrat & Validat Environm Sat, Beijing 100081, Peoples R China;
3.Unit 63892 PLA, Luoyang 471003, Peoples R China
推荐引用方式
GB/T 7714
Liu, Dongdong,Zhang, Chunmin,Li, Yanfen,et al. The retrieval algorithm for a satellite-borne CO2-sounder: Preliminary results in near infrared band[J],2016,127(20):8613-8620.
APA Liu, Dongdong.,Zhang, Chunmin.,Li, Yanfen.,Zhang, Xingying.,Wang, Shupeng.,...&Rong, Piao.(2016).The retrieval algorithm for a satellite-borne CO2-sounder: Preliminary results in near infrared band.OPTIK,127(20),8613-8620.
MLA Liu, Dongdong,et al."The retrieval algorithm for a satellite-borne CO2-sounder: Preliminary results in near infrared band".OPTIK 127.20(2016):8613-8620.
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