利用走航式数据对南大洋大气CO<sub>2</sub>廓线遥感反演

陈海颖; 许苏清; 孙强; 陈立奇; LI Jonathan

doi:10.11834/jrs.20132035

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利用走航式数据对南大洋大气CO₂廓线遥感反演
Retrieving atmospheric CO₂ profile over Southern Ocean from underway and AIRS data
2013年17卷第2期页码：393-398
纸质出版日期： 2013 ，
DOI： 10.11834/jrs.20132035

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[1]陈海颖,许苏清,孙强,陈立奇,LI Jonathan.利用走航式数据对南大洋大气CO_2廓线遥感反演[J].遥感学报,2013,17(02):393-398+388-392.

Retrieving atmospheric CO₂ profile over Southern Ocean from underway and AIRS data[J]. Journal of Remote Sensing, 2013,17(2):393-398.
[1]陈海颖,许苏清,孙强,陈立奇,LI Jonathan.利用走航式数据对南大洋大气CO_2廓线遥感反演[J].遥感学报,2013,17(02):393-398+388-392. DOI： 10.11834/jrs.20132035.

Retrieving atmospheric CO₂ profile over Southern Ocean from underway and AIRS data[J]. Journal of Remote Sensing, 2013,17(2):393-398. DOI： 10.11834/jrs.20132035.

摘要

利用中国第24次南极考察期间获取的南大洋上空走航式大气CO2数据和大气红外探测器（AIRS）探测的辐射率

进行基于纬度分类下的统计回归

其结果作为物理反演的初始猜测场。通过逐线积分辐射传输模式

利用AMSU大气温度廓线和AIRS中13个通道的辐射测值反演南大洋上空的大气CO2浓度廓线

与WDCGG提供的固定站点下的大气CO2浓度进行比较

反演精度随纬度的变化而变化

从低纬到高纬相对误差分别为0.31%、1.17%、2.63%。与同期国外卫星产品CO2/AIRS比较

相对误差为1.11%、1.07%。

Abstract

Basing on the shipboard measurements obtained during the 24th CHINARE campaigns and radiance of AIRS

we get the initial value from the statistical regression according to latitude-based classification. The atmospheric CO2 vertical profile was computed by line-by-line radiative transfer model using the temperature from AMSU and radiance from the thirteen selected AIRS channels. The results were compared with measurements from WDCGG

which show the accuracy change with latitude and relative errors are 0.31%、1.17% and 2.63% from low to high latitude respectively. The results were compared with CO2/AIRS from NASA

which show the relative errors are 1.11% and 1.07% respectively.

关键词

南大洋逐线积分辐射传输模式大气红外探测器大气CO2浓度

Keywords

Southern Oceanline-by-line integrationradiative transfer modelatmospheric infrared sounderatmospheric CO2 concentration

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利用走航式数据对南大洋大气CO2廓线遥感反演

Retrieving atmospheric CO2 profile over Southern Ocean from underway and AIRS data

DOI： 10.11834/jrs.20132035

摘要

Abstract

关键词

Keywords

references

利用走航式数据对南大洋大气CO₂廓线遥感反演

Retrieving atmospheric CO₂ profile over Southern Ocean from underway and AIRS data