Chemical composition of summertime High Arctic aerosols

Chemical composition of summertime High Arctic aerosols

Send us a Message

Product Detailed

Wintertime Arctic Sea Spray Aerosol Composition

aerosol mass,5 and up to 90% and 50% of supermicron and submicron aerosol number,respectively.6 While wintertime SSA was previously thought to primarily be transported long distances to the Arctic,5 recent work showed that leads contribute to local Arctic SSA emissions year-round.7 SSA composition reects the surface seawater,8,9 which isTransport and chemical composition of the summer aerosol The chemical composition and transfer routes of the Arctic aerosol during summer have been studied at Ny-Alesund,Bj Chemical composition of summertime High Arctic aerosols#248;rn Chemical composition of summertime High Arctic aerosols#248;ya,Hopen and Jan Mayen in the period August/September 1983.Samples were also collected on mainland Norway to assess the origin of aerosols transported to the Norwegian Arctic.The concentrations of Si,Al,S,Cl,K,Ca,Ti,V,Cr,Mn,Fe,Ni,Pb,Zn and Cu were measured Transport and chemical composition of the summer aerosol The chemical composition and transfer routes of the Arctic aerosol during summer have been studied at Ny-Alesund,Bj Chemical composition of summertime High Arctic aerosols#248;rn Chemical composition of summertime High Arctic aerosols#248;ya,Hopen and Jan Mayen in the period August/September 1983.Samples were also collected on mainland Norway to assess the origin of aerosols transported to the Norwegian Arctic.

The high Arctic summer aerosol Size,chemical composition

The main objective of this thesis is the characterization of the high Arctic summer aerosol by means of electron microscopy in order to extend the existing data set from previous expeditions by size resolved data on aerosol number,morphology and chemical composition and to gain a better understanding of the evolution of the aerosol in the Summertime aerosol chemical components in theSummertime aerosol chemical components in the marine boundary layer of the Arctic Ocean Zhouqing Xie,1,2 Liguang Sun,1 Joel D.Blum,3 Yuying Huang,4 and Wei He4 Received 22 May 2005; revised 19 December 2005; accepted 2 February 2006; published 31 May 2006.Summertime aerosol chemical components in the marine May 31,2006 Chemical composition of summertime High Arctic aerosols#0183;The role of sea salt in the chemical composition of aerosols in the summer decreased from the open sea to the areas near pack ice.Because of contamination by nitrogen and sulfur emitted from ships,chlorine volatilization from sea salt may occur even in the high Arctic Ocean.

Some results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456NextChemical Composition of Aerosol over the Arctic Ocean

During the summers of 2011 and 2012,two scientific cruises were carried out over the Arctic Ocean aiming at the determination of the aerosol chemical composition in this pristine environment.First,mass spectrometry was applied to study the concentration and gas/particle partitioning of polycyclic aromatic hydrocarbons (PAHs) and n-alkanes.Some results are removed in response to a notice of local law requirement.For more information,please see here.Single-particle characterization of the high-Arctic The campaign took place onboard the icebreaker Chemical composition of summertime High Arctic aerosolslt;i Chemical composition of summertime High Arctic aerosolsgt;Oden Chemical composition of summertime High Arctic aerosolslt;/i Chemical composition of summertime High Arctic aerosolsgt; and was part of the Arctic Summer Cloud Ocean Study (ASCOS).The instrument deployed was an aerosol time-of-flight mass spectrometer (ATOFMS) that provides information on the chemical composition of individual particles and their mixing state in real time.

Single-particle characterization of the high-Arctic

Information on the chemical composition and sources of the aerosol in subarctic regions is plentiful; information on the chemical composition and sources of the high-Arctic ( Chemical composition of summertime High Arctic aerosolsgt;80 N) aerosol over the pack ice area is,however,scarce.In the past,attention has mainly been directed towards the investigation of aerosols that play a role in the Single-Particle Characterization of Summertime Arctic Single-particle characterization of summertime Arctic aerosols is useful to understand the impact of air pollutants on the polar atmosphere.In the present study,a quantitative single particle analytical technique,low-Z particle electron probe X-ray microanalysis,was used to characterize 8100 individual particles overall in 16 sets of aerosol samples collected at Ny- Chemical composition of summertime High Arctic aerosols#197;lesund,Svalbard Photochemical and Other Sources of Organic Compounds in Total suspended particles collected at Alert in the Canadian high Arctic (FebruaryJune) were analyzed for solvent extractable organic compounds using gas chromatographymass spectrometry to better understand the sources and source apportionment of aerosol pollution that can affect the Arctic climate.More than 100 organic species were detected in the aerosols and were grouped into

ON THE ORIGIN AND TRANSPORT OF THE WINTER ARCTIC AEROSOL

Hans Lannefors,Jost Heintzenberg,Hans-Christen Hansson,A comprehensive study of physical and chemical parameters of the Arctic summer aerosol; results from the Swedish expedition Ymer-80,Tellus B Chemical and Physical Meteorology,10.3402/tellusb.v35i1.14585,35,1,(40-54),(2017).Microbiology-Ocean-Cloud-Coupling in the High Arctic April 2020 Poster presentation,Chemical composition of summertime High Arctic aerosols using chemical ionization mass spectrometry at EGU 2020 by Karolina (abstract can be found here).May 2020 Presentation at the Nordic Society for Aerosol Research (NOSA) online symposia,Observing aerosol-cloud interactions in the Arctic by PaulMicrobiology-Ocean-Cloud-Coupling in the High Arctic April 2020 Poster presentation,Chemical composition of summertime High Arctic aerosols using chemical ionization mass spectrometry at EGU 2020 by Karolina (abstract can be found here).May 2020 Presentation at the Nordic Society for Aerosol Research (NOSA) online symposia,Observing aerosol-cloud interactions in the Arctic by Paul

Influence of Biogenic Organics on the Chemical Composition

Influence of Biogenic Organics on the Chemical Composition of Arctic Aerosols.J.H.Choi.Biomedical Omics Center,Korea Basic Science Institute,Cheongju,South Korea.Search for more papers by this author.E.Jang.Division of Polar Climate Sciences,Korea Polar Research Institute,Incheon,South Korea.Fluorescent water-soluble organic aerosols in the High Atmospheric aerosols have been recognized to play an important role in regulating regional and global climate 1.For example,the enrichment of aerosol particles with organic compounds can make the aerosol surfaces more hydrophilic or hydrophobic depending on the composition and mixing state,leading to alterations in the cloud condensation nuclei (CCN) activity of the particles.Dimethyl sulfide control of the clean summertime Arctic 2002.Chemical composition and sources of the high Arctic aerosol relevant for fog and cloud formation.J Geophys Res 107 (12) AAC1-1AAC 1-17.doi 10.1029/2001JD001463.Li S-M,Barrie LA.1993.Biogenic sulfur aerosol in the Arctic troposphere 1.Contributions to total sulfate,J Geophys Res 98 (D11) 20,61320,622.doi 10.1029/93JD02234

Cited by 6Publish Year 2019Author Luca Ferrero,Giorgia Sangiorgi,Maria Grazia Perrone,Cristiana Rizzi,Marco Cataldi,Piotr MarkuszAerosol optical,microphysical,chemical and radiative

Jun 20,2018 Chemical composition of summertime High Arctic aerosols#0183;Aerosol optical,microphysical,chemical and radiative properties show that Arctic aerosols are dominated by fine mode particles,especially for high aerosol load cases.Cited by 14Publish Year 1995Author L.A.BarrieChemical Composition of Aerosol over the Arctic Ocean from The dominant aerosol chemical markers (concentration-wise) over the Arctic Ocean are related to primary marine emissions.Particularly,chloride and sodium,as well magnesium and calcium (to some extent) are taken as reference parameters to quantify sea spray inputs.Cited by 125Publish Year 2002Author Caroline Leck,Michael Norman,E.Keith Bigg,Risto HillamoImages of Chemical composition of summertime high Arctic imagesACPD - Chemical composition and source attribution of Particle composition above the summertime Arctic boundary layer was dominated by chemically aged particles,containing elemental carbon,nitrate,ammonium,sulfate,and organic matter.From our analysis,we conclude that the presence of these particles was driven by transport of aerosol and precursor gases from mid-latitudes to Arctic regions.

Cited by 106Publish Year 1985Author Jozef M.Pacyna,Brynjulf OttarArctic Aerosols Composition,Sources and Transport

Arctic aerosols originate from anthropogenic,marine and terrestrial soil sources as well as gas to particle conversion of gaseous sulphur,nitrogen and hydrocarbon compounds.Chemical composition of the atmospheric aerosol in the Atmospheric aerosols were collected in the boundary layer and free troposphere over continental and coastal subarctic regions of Canada during the July-August 1990 joint U.S.-Canadian Arctic Boundary Layer Expedition (ABLE) SB/Northern Wetlands Study (NOWES).The samples were analyzed for the following water soluble species sulfate,nitrate,ammonium,potassium,sodium,chloride,oxalate Chemical composition of summertime aerosol in the Po The Aerosol Direct Radiative Impact Experiment was conducted over the Po Valley,the northern Adriatic and the Black Sea in summer 2004,with the aim of characterizing physical,chemical and optical

Chemical composition of summertime aerosol in the Po

The Aerosol Direct Radiative Impact Experiment was conducted over the Po Valley,the northern Adriatic and the Black Sea in summer 2004,with the aim of characterizing physical,chemical and optical Chemical composition of summertime High Arctic aerosols Chemical composition of summertime High Arctic aerosols using chemical ionization mass spectrometry - NASA/ADS Low-level clouds and fogs play a key role in the radiative balance over the Arctic pack ice by regulating surface energy fluxes.Chemical composition of snowfall in the high Arctic 1990 May 01,2002 Chemical composition of summertime High Arctic aerosols#0183;1.Introduction.The Arctic is not a pristine environment isolated from human activities but rather a region well connected with natural and anthropogenic sources by winds and marine currents (Barrie,1986; Barrie et al.,1992; Macdonald et al.,2000).In the past two decades,studies of Arctic haze have shown that transport of pollution into the north in winter and spring is mainly from

Chemical composition and sources of the high Arctic

Jun 18,2002 Chemical composition of summertime High Arctic aerosols#0183;[1] The chemical composition,sources,and methods of production of cloud condensation nuclei (CCN) were studied over the pack ice covered Arctic Ocean in summer.After 2 days' travel of air over the pack ice,two local CCN sources were identified particles derived from the bursting bubbles on open water between ice floes (film and jet drops) and particles reaching CCN sizeChemical components of lower tropospheric aerosols in the Abstract.Six years of observations (1980 to 1986) of the composition of lower tropospheric aerosols at Alert on northern Ellesmere Island in the Canadian high Arctic yield insight into the seasonal variation of Arctic air pollutants as well as of substances of natural origin.Chemical Composition of Aerosol over the Arctic OceanDuring the summers of 2011 and 2012,two scientific cruises were carried out over the Arctic Ocean aiming at the determination of the aerosol chemical composition in this pristine environment.First,mass spectrometry was applied to study the concentration and gas/particle partitioning of polycyclic aromatic hydrocarbons (PAHs) and n-alkanes.

CO Meeting Organizer EGU2020

Chemical composition of summertime High Arctic aerosols using chemical ionization mass spectrometry Karolina Siegel ,Paul Zieger,Matthew Salter,Ilona Riipinen,Annica M.L.Ekman,and Claudia Mohr Low-level clouds and fogs play a key role in the radiative balance over the Arctic pack ice by regulating surface energy fluxes.Atmospheric Sciences The puzzle of high Arctic aerosolsSep 19,2018 Chemical composition of summertime High Arctic aerosols#0183;Current Position 86 Chemical composition of summertime High Arctic aerosols#176;24 N,13 Chemical composition of summertime High Arctic aerosols#176;29E (17th September 2018).The Arctic Ocean 2018 Expedition drifted for 33 days in the high Arctic and is now heading back south to Troms Chemical composition of summertime High Arctic aerosols#248;,Norway.With continuous aerosol observations,we hope to be able to add new pieces to the high Arctic aerosol puzzle to create a more complete picture that can help us to improve our understanding of the surface Arctic sea spray aerosols mimic those in California - FuturityThe Arctic is warming faster than any other place on Earth,leading to the formation of sea spray aerosols similar to what researchers see in California appearing during the Arctic winter

Aerosol optical,microphysical,chemical and radiative

Jun 20,2018 Chemical composition of summertime High Arctic aerosols#0183;The estimated aerosol composition,together with aerosol optical,microphysical and radiative properties from AERONET data,show the dominance of fine mode aerosols over the ArcticAerosol carbonaceous,elemental and ionic composition (2020).Aerosol carbonaceous,elemental and ionic composition variability and origin at the Siberian High Arctic,Cape Baranova.Tellus B Chemical and Physical Meteorology Vol.72,No.1,pp.1-14.Aerosol and Cloud properties in the Arctic Department of At Zeppelin Observatory (78 Chemical composition of summertime High Arctic aerosols#176;5429N 11 Chemical composition of summertime High Arctic aerosols#176;5253E,475 m.a.s.l.) we study aerosol and cloud properties to understand their life cycle,interactions and influence of both,natural and anthropogenic sources on the Arctic troposphere and rapidly changing climate in this highly sensitive region.Our observations of aerosol size distribution,light scattering and absorption represent one of

Aerosol Composition - an overview ScienceDirect Topics

W.Bloss,in Encyclopedia of Environmental Health,2011.Aerosol Composition Measurements.Until recently,aerosol composition measurement required relatively large sample sizes to permit analysis,which were acquired using high-volume samples (known as Hi-Vols),and were analyzed off-line by using techniques such as colorimetry,atomic absorption spectroscopy,and organic/elemental carbon 12345NextACPD - Chemical composition and source attribution of Particle composition above the summertime Arctic boundary layer was dominated by chemically aged particles,containing elemental carbon,nitrate,ammonium,sulfate,and organic matter.From our analysis,we conclude that the presence of these particles was driven by transport of aerosol and precursor gases from mid-latitudes to Arctic regions. Chemical Composition of Aerosol over the Arctic DOI 10.3390/ATMOS10020054 Corpus ID 126879801.Chemical Composition of Aerosol over the Arctic Ocean from Summer ARctic EXpedition (AREX) 20112012 Cruises Ions,Amines,Elemental Carbon,Organic Matter,Polycyclic Aromatic Hydrocarbons,n-Alkanes,Metals,and Rare Earth Elements

Steel material

Steel Grade

Send us a Message

Carbon low alloy steel

A283 Grade A,A36,A572 Grade 42,A572 Grade 50 .

Learn More

Weathering steel plate

Corten A,A588Grade B,S355J0WP,S355J2WP,05CuPCrNi.

Learn More

Shipbuilding Steel Plate

ABS/A steel,ABS AH32,LR AH36,RINA EH36.

Learn More

Alloy Steel Plate

50CrMo4,42CrMo4,12Cr1MoV,25MnTi.

Learn More