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Aerosol hygroscopicity and its link to chemical composition in the coastal atmosphere of Mace Head: marine and continental air masses
Xu, Wei1,2,3,4; Oyadnevaite, Jurgita1,2; Fossum, Kirsten N.1,2; Lin, Chunshui3,4; Huang, Ru-Jin3,4,5; O'Dowd, Colin1,2; Ceburnis, Darius1,2
Corresponding AuthorHuang, Ru-Jin(rujin.huang@ieecas.cn) ; O'Dowd, Colin(colin.odowd@nuigalway.ie)
2020-03-30
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
ISSN1680-7316
Volume20Issue:6Pages:3777-3791
AbstractChemical composition and hygroscopicity closure of marine aerosol in high time resolution has not been achieved yet due to the difficulty involved in measuring the refractory sea-salt concentration in near-real time. In this study, attempts were made to achieve closure for marine aerosol based on a humidified tandem differential mobility analyser (HTDMA) and a high-resolution time-of-flight aerosol mass spectrometer (AMS) for wintertime aerosol at Mace Head, Ireland. The aerosol hygroscopicity was examined as a growth factor (GF) at 90 % relative humidity (RH). The corresponding GFs of 35, 50, 75, 110 and 165 nm particles were 1.54 +/- 0.26, 1.60 +/- 0.29, 1.66 +/- 0.31, 1.72 +/- 0.29 and 1.78 +/- 0.30 (mean +/- standard deviation), respectively. Two contrasting air masses (continental and marine) were selected to study the temporal variation in hygroscopicity; the results demonstrated a clear diurnal pattern in continental air masses, whereas no diurnal pattern was found in marine air masses. In addition, wintertime aerosol was observed to be largely externally mixed in both of the contrasting air masses. Concurrent high time resolution PM1 (particulate matter <1 mu m) chemical composition data from combined AMS and MAAP measurements, comprising organic matter, non-sea-salt sulfate, nitrate, ammonium, sea salt and black carbon (BC), were used to predict aerosol hygroscopicity with the Zdanovskii-Stokes-Robinson (ZSR) mixing rule. Overall, good agreement (an R-2 value of 0.824 and a slope of 1.02) was found between the growth factor of 165 nm particles measured by the HTDMA (GF_HTDMA) and the growth factor derived from the AMS + MAAP bulk chemical composition (GF_AMS). Over 95 % of the estimated GF values exhibited less than a 10 % deviation for the whole dataset, and this deviation was mostly attributed to the neglected mixing state as a result of the bulk PM1 composition.
DOI10.5194/acp-20-3777-2020
WOS KeywordDIFFERENTIAL MOBILITY ANALYZER ; MIXING STATE ; ORGANIC AEROSOL ; PARTICLE HYGROSCOPICITY ; CCN ACTIVITY ; GROWTH ; SITE ; PARAMETERIZATION ; POLLUTION ; PACIFIC
Indexed BySCI ; SCI
Language英语
Funding ProjectEPA-Ireland (AEROSOURCE)[2016-CCRP-MS-31] ; COLOSSAL COST Action[CA16109] ; China Scholarship Council[201706310154] ; MaREI (Marine and Renewable Energy Ireland)
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
Funding OrganizationEPA-Ireland (AEROSOURCE) ; COLOSSAL COST Action ; China Scholarship Council ; MaREI (Marine and Renewable Energy Ireland)
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000522823500001
PublisherCOPERNICUS GESELLSCHAFT MBH
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/12551
Collection粉尘与环境研究室
第四纪科学与全球变化卓越创新中心
Corresponding AuthorHuang, Ru-Jin; O'Dowd, Colin
Affiliation1.Natl Univ Ireland Galway, Sch Phys, Ryan Inst, Ctr Climate & Air Pollut Studies, Univ Rd, Galway H91 CF50, Ireland
2.Natl Univ Ireland Galway, Marine Renewable Energy Ireland, Univ Rd, Galway H91 CF50, Ireland
3.Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Ctr Excellence Quaternary Sci & Global Change, Xian 710061, Peoples R China
4.Chinese Acad Sci, Key Lab Aerosol Chem & Phys, Inst Earth Environm, Xian 710061, Peoples R China
5.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Ocean Continental Climate & Environm, Qingdao 266061, Peoples R China
Recommended Citation
GB/T 7714
Xu, Wei,Oyadnevaite, Jurgita,Fossum, Kirsten N.,et al. Aerosol hygroscopicity and its link to chemical composition in the coastal atmosphere of Mace Head: marine and continental air masses[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2020,20(6):3777-3791.
APA Xu, Wei.,Oyadnevaite, Jurgita.,Fossum, Kirsten N..,Lin, Chunshui.,Huang, Ru-Jin.,...&Ceburnis, Darius.(2020).Aerosol hygroscopicity and its link to chemical composition in the coastal atmosphere of Mace Head: marine and continental air masses.ATMOSPHERIC CHEMISTRY AND PHYSICS,20(6),3777-3791.
MLA Xu, Wei,et al."Aerosol hygroscopicity and its link to chemical composition in the coastal atmosphere of Mace Head: marine and continental air masses".ATMOSPHERIC CHEMISTRY AND PHYSICS 20.6(2020):3777-3791.
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