Search Results - "Barrie, Leonard"

Sources and Radiative Absorption of Water‐Soluble Brown Carbon in the High Arctic Atmosphere by Yue, Siyao, Bikkina, Srinivas, Gao, Meng, Barrie, Leonard A., Kawamura, Kimitaka, Fu, Pingqing

“…Brown carbon (BrC) is a source of light‐absorbing aerosols. The Arctic is more sensitive to emissions of light‐absorbing aerosols than lower latitudes…”
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Secondary formation of water-soluble organic acids and α-dicarbonyls and their contributions to total carbon and water-soluble organic carbon: Photochemical aging of organic aerosols in the Arctic spring by Kawamura, Kimitaka, Kasukabe, Hideki, Barrie, Leonard A.

“…Water‐soluble dicarboxylic acids (C2‐C12), ketocarboxylic acids (C2‐C6, C9), and α‐dicarbonyls (glyoxal and methylglyoxal) were determined in the Arctic…”
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Pan-Arctic aerosol number size distributions: seasonality and transport patterns by Freud, Eyal, Krejci, Radovan, Tunved, Peter, Leaitch, Richard, Nguyen, Quynh T, Massling, Andreas, Skov, Henrik, Leonard, Barrie

“…The Arctic environment has an amplified response to global climatic change. It is sensitive to human activities that mostly take place elsewhere. For this…”
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Distributions of Polycyclic Aromatic Hydrocarbons, Aromatic Ketones, Carboxylic Acids, and Trace Metals in Arctic Aerosols: Long-Range Atmospheric Transport, Photochemical Degradation/Production at Polar Sunrise by Singh, Dharmendra Kumar, Kawamura, Kimitaka, Yanase, Ayako, Barrie, Leonard A

“…The distributions, correlations, and source apportionment of aromatic acids, aromatic ketones, polycyclic aromatic hydrocarbons (PAHs), and trace metals were…”
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Improving Estimates of Sulfur, Nitrogen, and Ozone Total Deposition through Multi-Model and Measurement-Model Fusion Approaches by Fu, Joshua S, Carmichael, Gregory R, Dentener, Frank, Aas, Wenche, Andersson, Camilla, Barrie, Leonard A, Cole, Amanda, Galy-Lacaux, Corinne, Geddes, Jeffrey, Itahashi, Syuichi, Kanakidou, Maria, Labrador, Lorenzo, Paulot, Fabien, Schwede, Donna, Tan, Jiani, Vet, Robert

“…Earth system and environmental impact studies need high quality and up-to-date estimates of atmospheric deposition. This study demonstrates the methodological…”
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Photochemical and Other Sources of Organic Compounds in the Canadian High Arctic Aerosol Pollution during Winter−Spring by Fu, Pingqing, Kawamura, Kimitaka, Barrie, Leonard A

“…Total suspended particles collected at Alert in the Canadian high Arctic (February−June) were analyzed for solvent extractable organic compounds using gas…”
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Fluorescent water-soluble organic aerosols in the High Arctic atmosphere by Fu, Pingqing, Kawamura, Kimitaka, Chen, Jing, Qin, Mingyue, Ren, Lujie, Sun, Yele, Wang, Zifa, Barrie, Leonard A., Tachibana, Eri, Ding, Aijun, Yamashita, Youhei

“…Organic aerosols are ubiquitous in the earth’s atmosphere. They have been extensively studied in urban, rural and marine environments. However, little is known…”
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Isoprene, Monoterpene, and Sesquiterpene Oxidation Products in the High Arctic Aerosols during Late Winter to Early Summer by Fu, Pingqing, Kawamura, Kimitaka, Chen, Jing, Barrie, Leonard A

“…Oxidation products of biogenic volatile organic compounds (BVOCs) (isoprene, monoterpenes, and sesquiterpene) were investigated in the Canadian High Arctic…”
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Toward a Global Network for Persistent Organic Pollutants in Air:  Results from the GAPS Study by Pozo, Karla, Harner, Tom, Wania, Frank, Muir, Derek C. G, Jones, Kevin C, Barrie, Leonard A

“…The Global Atmospheric Passive Sampling (GAPS) study aims to demonstrate the feasibility of using passive samplers to assess the spatial distribution of…”
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Intercomparison of the measurements of oxalic acid in aerosols by gas chromatography and ion chromatography by Kawamura, Kimitaka, Barrie, Leonard A., Toom-Sauntry, Desiree

“…Oxalate, the anion of oxalic acid, is one of the most abundant measurable organic species in atmospheric aerosols. Traditionally, this bifunctional species has…”
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Hygroscopicity and CCN Activity of Water‐Soluble Extracts From the Arctic Aerosols in Winter to Early Summer by Kawana, Kaori, Kawamura, Kimitaka, Fu, Pingqing, Barrie, Leonard A.

“…The hygroscopicity and cloud condensation nuclei (CCN) activity of water‐soluble extracts from Arctic lower tropospheric aerosols during winter to summer were…”
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Sensitivity of transatlantic dust transport to chemical aging and related atmospheric processes by Abdelkader, Mohamed, Metzger, Swen, Steil, Benedikt, Klingmüller, Klaus, Tost, Holger, Pozzer, Andrea, Stenchikov, Georgiy, Barrie, Leonard, Lelieveld, Jos

“…We present a sensitivity study on transatlantic dust transport, a process which has many implications for the atmosphere, the ocean and the climate. We…”
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Photochemical Processing of Inorganic and Organic Species in the Canadian High Arctic Aerosols: Impact of Ammonium Cation, Transition Metals, and Dicarboxylic Acids before and after Polar Sunrise at Alert by Singh, Dharmendra Kumar, Kawamura, Kimitaka, Fu, Pingqing, Kasukabe, Hideki, Yanase, Ayako, Barrie, Leonard A

“…Temporal variations and correlation statistics of major inorganic and organic species and carbonaceous components of the total suspended particulate matter…”
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The 2014 MOZAIC-IAGOS 20th Anniversary Scientific Symposium on Atmospheric Composition Observations by Commercial Aircraft by Barrie, Leonard, Thouret, Valerie, Petzold, Andreas

“…Published: 5 October 2015 Climate change, weather forecasting, air quality, stratospheric ozone depletion and the oxidising capacity of the atmosphere are a…”
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On the links between meteorological variables, aerosols, and tropical cyclone frequency in individual ocean basins by Chiacchio, Marc, Pausata, Francesco S. R., Messori, Gabriele, Hannachi, Abdel, Chin, Mian, Önskog, Thomas, Ekman, Annica M. L., Barrie, Leonard

“…A generalized linear model based on Poisson regression has been used to assess the impact of environmental variables modulating tropical cyclone frequency in…”
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Envisioning an Integrated Assessment System and Observation Network for the North Atlantic Ocean by Coleman, Liz, Mc Govern, Frank M., Ovadnevaite, Jurgita, Ceburnis, Darius, Baroni, Thaize, Barrie, Leonard, O’Dowd, Colin D.

“…The atmosphere over the Atlantic Ocean is highly impacted by human activities on the surrounding four major continents. Globally, human activity creates…”
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Evidence of sea ice source in aerosol sulfate loading and size distribution in the Canadian High Arctic from isotopic analysis by Seguin, Alison Michelle, Norman, Ann-Lise, Barrie, Leonard

“…The influence of frost flowers and seawater brine on ion chemistry in snow, snowpack, ice cores, and aerosols is detected when a lower sulfate to sodium ratio…”
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Photochemical production and loss of organic acids in high Arctic aerosols during long-range transport and polar sunrise ozone depletion events by Kawamura, Kimitaka, Imai, Yoshie, Barrie, Leonard A.

“…Unique daily measurements of water-soluble organics in fine (<2 μm) and coarse (>2 μm) aerosols were conducted at Alert in the Canadian Arctic in winter to…”
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Polychlorinated Naphthalenes in the Global Atmospheric Passive Sampling (GAPS) Study by Lee, Sum Chi, Harner, Tom, Pozo, Karla, Shoeib, Mahiba, Wania, Frank, Muir, Derek C. G, Barrie, Leonard A, Jones, Kevin C

“…Air concentrations of polychlorinated naphthalenes (PCNs) were measured as part of the Global Atmospheric Passive Sampling (GAPS) study to assess their spatial…”
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Source and reaction pathways of dicarboxylic acids, ketoacids and dicarbonyls in arctic aerosols: One year of observations by Kawamura, Kimitaka, Kasukabe, Hideki, Barrie, Leonard A.

“…Normal saturated (C 2C 11) and unsaturated (C 4C 5, C 8) dicarboxylic acids were measured in arctic aerosol samples collected weekly at Alert, Canada in…”
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