Use of pure rotational Raman channels for lidar measurement of aerosol extinction coefficient: the EARLINET/ACTRIS Barcelona station experience

被引：2

作者：

Rodriguez-Gomez, Alejandro ^{[1
]}

Munoz-Porcar, Constantino ^{[1
]}

Zenteno-Hernandez, Jose-Alex ^{[2
]}

Comeron, Adolfo ^{[1
]}

Dios, Federico ^{[1
]}

Sicard, Michael ^{[1
,3
]}

Gil-Diaz, Cristina ^{[1
]}

Oliveira, Daniel Camilo F. S. ^{[1
]}

Mandal, Charly ^{[1
,4
]}

机构：

[1] Univ Politecn Cataluna, CommSensLab, Barcelona, Spain

[2] Inst Nacl Astrofis Opt & Electr, Puebla, Mexico

[3] Inst Estudis Espacials Catalunya, Barcelona, Spain

[4] ONERA ENSEEIHT, Toulouse, France

来源：

REMOTE SENSING OF CLOUDS AND THE ATMOSPHERE XXVII | 2022年 / 12265卷

基金：

欧盟地平线“2020”;

关键词：

Raman lidar; pure rotational lines; vibro-rotational lines; theory; experiment; daytime; backscatter retrieval; extinction retrieval; SINGLE CALCULUS CHAIN; PARTICLE EXTINCTION; TEMPERATURE; BACKSCATTERING; PROFILES; CLOUDS;

D O I：

10.1117/12.2636427

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

Advances in interference filter technology permit currently using selected parts of the N-2 and O-2 pure rotational Raman spectra with very low temperature sensitivity, while rejecting sufficiently the elastic return. The Raman technique to retrieve the aerosol extinction coefficient can then be used with higher signal-to-noise ratios, because of a higher (about 8 times) effective differential backscatter cross-section as compared to the cross-section of the N-2 vibro-rotational spectra. The design and results of pure rotational Raman channels at 354 nm and 530 nm allowing daytime aerosol extinction measurements implemented at the EARLINET/ACTRIS Barcelona lidar station are presented and discussed.

引用

页数：11

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