Search Results - "Cubison, M."
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Secondary organic aerosol formation and primary organic aerosol oxidation from biomass-burning smoke in a flow reactor during FLAME-3
Published in Atmospheric chemistry and physics (28-11-2013)“…We report the physical and chemical effects of photochemically aging dilute biomass-burning smoke. A "potential aerosol mass" (PAM) flow reactor was used with…”
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2
Effects of aging on organic aerosol from open biomass burning smoke in aircraft and laboratory studies
Published in Atmospheric chemistry and physics (05-12-2011)“…Biomass burning (BB) is a large source of primary and secondary organic aerosols (POA and SOA). This study addresses the physical and chemical evolution of BB…”
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3
Sources of carbonaceous aerosols and deposited black carbon in the Arctic in winter-spring: implications for radiative forcing
Published in Atmospheric chemistry and physics (13-12-2011)“…We use a global chemical transport model (GEOS-Chem CTM) to interpret observations of black carbon (BC) and organic aerosol (OA) from the NASA ARCTAS aircraft…”
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4
Analysis of CCN activity of Arctic aerosol and Canadian biomass burning during summer 2008
Published in Atmospheric chemistry and physics (08-03-2013)“…The NASA DC-8 aircraft characterized the aerosol properties, chemical composition, and cloud condensation nuclei (CCN) concentrations of the summertime Arctic…”
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The importance of aerosol mixing state and size-resolved composition on CCN concentration and the variation of the importance with atmospheric aging of aerosols
Published in Atmospheric chemistry and physics (06-08-2010)“…Aerosol microphysics, chemical composition, and CCN concentrations were measured at the T0 urban supersite in Mexico City during Megacity Initiative: Local and…”
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6
Statistical precision of the intensities retrieved from constrained fitting of overlapping peaks in high-resolution mass spectra
Published in Atmospheric measurement techniques (05-06-2015)“…Least-squares fitting of overlapping peaks is often needed to separately quantify ions in high-resolution mass spectrometer data. A statistical simulation…”
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The ToF-ACSM: a portable aerosol chemical speciation monitor with TOFMS detection
Published in Atmospheric measurement techniques (26-11-2013)“…We present a new instrument for monitoring aerosol composition, the time-of-flight aerosol chemical speciation monitor (ToF-ACSM), combining precision…”
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Chemically-Resolved Volatility Measurements of Organic Aerosol from Different Sources
Published in Environmental science & technology (15-07-2009)“…A newly modified fast temperature-stepping thermodenuder (TD) was coupled to a High Resolution Time-of-Flight Aerosol Mass Spectrometer for rapid determination…”
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Fourteen months of on-line measurements of the non-refractory submicron aerosol at the Jungfraujoch (3580 m a.s.l.) – chemical composition, origins and organic aerosol sources
Published in Atmospheric chemistry and physics (14-10-2015)“…Chemically resolved (organic, nitrate, sulfate, ammonium) data of non-refractory submicron (NR-PM1) aerosol from the first long-term deployment (27 July 2012…”
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10
Semicontinuous measurements of gas–particle partitioning of organic acids in a ponderosa pine forest using a MOVI-HRToF-CIMS
Published in Atmospheric chemistry and physics (11-02-2014)“…Hundreds of gas- and particle-phase organic acids were measured in a rural ponderosa pine forest in Colorado, USA, during BEACHON-RoMBAS (Bio-hydro-atmosphere…”
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11
Exploring the vertical profile of atmospheric organic aerosol: comparing 17 aircraft field campaigns with a global model
Published in Atmospheric chemistry and physics (15-12-2011)“…The global organic aerosol (OA) budget is highly uncertain and past studies suggest that models substantially underestimate observed concentrations. Few of…”
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12
Emission characteristics of black carbon in anthropogenic and biomass burning plumes over California during ARCTAS-CARB 2008
Published in Journal of Geophysical Research: Atmospheres (27-08-2012)“…The impact of aerosols on regional air quality and climate necessitates improved understanding of their emission and microphysical properties. The size…”
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13
Mexico City aerosol analysis during MILAGRO using high resolution aerosol mass spectrometry at the urban supersite (T0) – Part 1: Fine particle composition and organic source apportionment
Published in Atmospheric chemistry and physics (11-09-2009)“…Submicron aerosol was analyzed during the MILAGRO field campaign in March 2006 at the T0 urban supersite in Mexico City with a High-Resolution Time-of-Flight…”
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14
Chemically-resolved aerosol volatility measurements from two megacity field studies
Published in Atmospheric chemistry and physics (28-09-2009)“…The volatilities of different chemical species in ambient aerosols are important but remain poorly characterized. The coupling of a recently developed rapid…”
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15
CCN predictions using simplified assumptions of organic aerosol composition and mixing state: a synthesis from six different locations
Published in Atmospheric chemistry and physics (26-05-2010)“…An accurate but simple quantification of the fraction of aerosol particles that can act as cloud condensation nuclei (CCN) is needed for implementation in…”
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16
Aircraft-measured indirect cloud effects from biomass burning smoke in the Arctic and subarctic
Published in Atmospheric chemistry and physics (21-01-2016)“…The incidence of wildfires in the Arctic and subarctic is increasing; in boreal North America, for example, the burned area is expected to increase by…”
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The glyoxal budget and its contribution to organic aerosol for Los Angeles, California, during CalNex 2010
Published in Journal of Geophysical Research: Atmospheres (16-11-2011)“…Recent laboratory and field studies have indicated that glyoxal is a potentially large contributor to secondary organic aerosol mass. We present in situ…”
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A field-deployable, chemical ionization time-of-flight mass spectrometer
Published in Atmospheric measurement techniques (20-07-2011)“…We constructed a new chemical ionization time-of-flight mass spectrometer (CI-TOFMS) that measures atmospheric trace gases in real time with high sensitivity…”
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Chemistry of hydrogen oxide radicals (HO x ) in the Arctic troposphere in spring
Published in Atmospheric chemistry and physics (01-07-2010)“…We use observations from the April 2008 NASA ARCTAS aircraft campaign to the North American Arctic, interpreted with a global 3-D chemical transport model…”
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Spectral absorption of biomass burning aerosol determined from retrieved single scattering albedo during ARCTAS
Published in Atmospheric chemistry and physics (12-11-2012)“…Actinic flux, as well as aerosol chemical and optical properties, were measured aboard the NASA DC-8 aircraft during the ARCTAS (Arctic Research of the…”
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