GSTDTAP  > 地球科学
DOI10.1175/JAS-D-17-0155.1
A Mesocosm Double Feature: Insights into the Chemical Makeup of Marine Ice Nucleating Particles
McCluskey, Christina S.1,5; Hill, Thomas C. J.1; Sultana, Camille M.2; Laskina, Olga3,6; Trueblood, Jonathan2,3; Santander, Mitchell V.2; Beall, Charlotte M.4; Michaud, Jennifer M.2; Kreidenweis, Sonia M.1; Prather, Kimberly A.2,4; Grassian, Vicki2,3; DeMott, Paul J.1
2018-07-01
发表期刊JOURNAL OF THE ATMOSPHERIC SCIENCES
ISSN0022-4928
EISSN1520-0469
出版年2018
卷号75期号:7页码:2405-2423
文章类型Article
语种英语
国家USA
英文摘要

The abundance of atmospheric ice nucleating particles (INPs) is a source of uncertainty for numerical representation of ice-phase transitions in mixed-phase clouds. While sea spray aerosol (SSA) exhibits less ice nucleating (IN) ability than terrestrial aerosol, marine INP emissions are linked to oceanic biological activity and are potentially an important source of INPs over remote oceans. Inadequate knowledge of marine INP identity limits the ability to parameterize this complex INP source. A previous manuscript described abundances of marine INPs in relation to several aerosol composition and ocean biology observations during two laboratory mesocosm experiments. In this study, the abundances and chemical and physical properties of INPs found during the same mesocosm experiments were directly probed in SSA, seawater, and surface microlayer samples. Two unique marine INP populations were found: 1) dissolved organic carbon INPs are suggested to be composed of IN-active molecules, and 2) particulate organic carbon INPs are attributed as intact cells or IN-active microbe fragments. Both marine INP types are likely to be emitted into SSA following decay of phytoplankton biomass when 1) the surface microlayer is significantly enriched with exudates and cellular detritus and SSA particles are preferentially coated with IN-active molecules or 2) diatom fragments and bacteria are relatively abundant in seawater and therefore more likely transferred into SSA. These findings inform future efforts for incorporating marine INP emissions into numerical models and motivate future studies to quantify specific marine molecules and isolate phytoplankton, bacteria, and other species that contribute to these marine INP types.


英文关键词Chemistry atmospheric Aerosol indirect effect Aerosol-cloud interaction Marine chemistry
领域地球科学
收录类别SCI-E
WOS记录号WOS:000437725800001
WOS关键词SEA SPRAY AEROSOL ; SURFACE MICROLAYER ; SOUTHERN-OCEAN ; AMPHIPHILIC ALCOHOLS ; MASS-SPECTROMETRY ; ACTIVE BACTERIA ; WATER-INTERFACE ; ORGANIC-MATTER ; NUCLEI ; AIR
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/29376
专题地球科学
作者单位1.Colorado State Univ, Ft Collins, CO 80523 USA;
2.Univ Calif San Diego, La Jolla, CA 92093 USA;
3.Univ Iowa, Iowa City, IA USA;
4.Scripps Inst Oceanog, La Jolla, CA USA;
5.Natl Ctr Atmospher Res, POB 3000, Boulder, CO 80307 USA;
6.Rap ID Inc, Monmouth Jct, NJ USA
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GB/T 7714
McCluskey, Christina S.,Hill, Thomas C. J.,Sultana, Camille M.,et al. A Mesocosm Double Feature: Insights into the Chemical Makeup of Marine Ice Nucleating Particles[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2018,75(7):2405-2423.
APA McCluskey, Christina S..,Hill, Thomas C. J..,Sultana, Camille M..,Laskina, Olga.,Trueblood, Jonathan.,...&DeMott, Paul J..(2018).A Mesocosm Double Feature: Insights into the Chemical Makeup of Marine Ice Nucleating Particles.JOURNAL OF THE ATMOSPHERIC SCIENCES,75(7),2405-2423.
MLA McCluskey, Christina S.,et al."A Mesocosm Double Feature: Insights into the Chemical Makeup of Marine Ice Nucleating Particles".JOURNAL OF THE ATMOSPHERIC SCIENCES 75.7(2018):2405-2423.
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