Open path incoherent broadband cavity-enhanced measurements of NO3 radical and aerosol extinction in the North China Plain

Simple item page
dc.contributor.authorSuhail, K.
dc.contributor.authorGeorge, M.
dc.contributor.authorChandran, Satheesh
dc.contributor.authorVarma, R.
dc.contributor.authorVenables, Dean S.
dc.contributor.authorWang, M.
dc.contributor.authorChen, J.
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderDepartment of Science and Technology, Indiaen
dc.contributor.funderNational Natural Science Foundation of Chinaen
dc.contributor.funderMinistry of Human Resources Development, Indiaen
dc.date.accessioned2019-10-01T05:11:13Z
dc.date.available2019-10-01T05:11:13Z
dc.date.issued2018-09-15
dc.description.abstractWe describe the observation of the NO3 radical using an incoherent broadband cavity-enhanced absorption spectrometer in an open-path configuration (OP-IBBCEAS) in a polluted summer environment in continental China. The instrument was installed 17 m above the ground at the top of a residential complex near the CAREBeijing–NCP 2014 site in Wangdu, Hebei province, about 200 km southwest of Beijing over the period 28 to 30 June 2014. The separation between the transmitter and receiver components of the instrument was 335 cm and the effective pathlength in clean reference air was ~3.4 km. NO3 was detected above the detection limit on all three nights when the instrument was operational. The maximum mixing ratio measured was ~175 pptv with a detection sensitivity of ~36 pptv for measurements with an average acquisition time of 10 min. While most extractive instruments try to avoid interferences arising from aerosol extinction, the open path configuration has advantages owing to its ability to detect trace gases even in the presence of aerosol loading. Moreover, concurrent retrieval of aerosol optical extinction is possible from analysis of the absorption magnitude of the oxygen B-band at 687 nm. The experimental setup, its calibration, data acquisition, and analysis procedure are discussed, and the results presented here demonstrate the sensitivity and specificity that can be achieved at high spatial and temporal resolution using the novel configuration of IBBCEAS in the open path.en
dc.description.sponsorshipSERC (LOP/0008/2010); P2/3331/2009; 91544225en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationSuhail, K., George, M., Chandran, S., Varma, R., Venables, D.S., Wang, M. and Chen, J., 2019. Open path incoherent broadband cavity-enhanced measurements of NO3 radical and aerosol extinction in the North China Plain. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 208, (8pp).en
dc.identifier.doi10.1016/j.saa.2018.09.023en
dc.identifier.eissn1873-3557
dc.identifier.endpage31en
dc.identifier.issn1386-1425
dc.identifier.journaltitleSpectrochimica Acta Part A: Molecular and Biomolecular Spectroscopyen
dc.identifier.startpage24en
dc.identifier.urihttps://hdl.handle.net/10468/8644
dc.identifier.volume208en
dc.language.isoenen
dc.publisherElsevier B.V.en
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI International Strategic Cooperation Award (ISCA)/13/ISCA/2844/IE/Ireland-India ISCA Programme/en
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S1386142518308692
dc.rights© 2018 The Authors. Published by Elsevier B.Ven
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectOpen pathen
dc.subjectIncoherent broadband cavity enhanced absorption spectroscopyen
dc.subjectNitrate radicalen
dc.subjectAerosol extinctionen
dc.titleOpen path incoherent broadband cavity-enhanced measurements of NO3 radical and aerosol extinction in the North China Plainen
dc.typeArticle (peer-reviewed)en
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
1-s2.0-S1386142518308692-main.pdf
Size:
2.21 MB
Format:
Adobe Portable Document Format
Description:
Published version
Download
License bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
license.txt
Size:
2.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Physics - Journal Articles
Chemistry - Journal Articles
Environmental Research Institute - Journal Articles