Search Results - "ARTAXO, P"
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Air quality and human health improvements from reductions in deforestation-related fire in Brazil
Published in Nature geoscience (01-10-2015)“…Fires are used to clear tropical forests. Satellite measurements and simulations show that reductions in deforestation and associated fires in Brazil have…”
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Introduction: Observations and Modeling of the Green Ocean Amazon (GoAmazon2014/5)
Published in Atmospheric chemistry and physics (19-04-2016)“…The Observations and Modeling of the Green Ocean Amazon (GoAmazon2014/5) Experiment was carried out in the environs of Manaus, Brazil, in the central region of…”
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3
Impact on short-lived climate forcers increases projected warming due to deforestation
Published in Nature communications (11-01-2018)“…The climate impact of deforestation depends on the relative strength of several biogeochemical and biogeophysical effects. In addition to affecting the…”
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A simplified description of the evolution of organic aerosol composition in the atmosphere
Published in Geophysical research letters (01-04-2010)“…Organic aerosol (OA) in the atmosphere consists of a multitude of organic species which are either directly emitted or the products of a variety of chemical…”
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Characterization of a real-time tracer for isoprene epoxydiols-derived secondary organic aerosol (IEPOX-SOA) from aerosol mass spectrometer measurements
Published in Atmospheric chemistry and physics (23-10-2015)“…Substantial amounts of secondary organic aerosol (SOA) can be formed from isoprene epoxydiols (IEPOX), which are oxidation products of isoprene mainly under…”
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6
Rainforest Aerosols as Biogenic Nuclei of Clouds and Precipitation in the Amazon
Published in Science (American Association for the Advancement of Science) (17-09-2010)“…The Amazon is one of the few continental regions where atmospheric aerosol particles and their effects on climate are not dominated by anthropogenic sources…”
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Size distributions and temporal variations of biological aerosol particles in the Amazon rainforest characterized by microscopy and real-time UV-APS fluorescence techniques during AMAZE-08
Published in Atmospheric chemistry and physics (18-12-2012)“…As a part of the AMAZE-08 campaign during the wet season in the rainforest of central Amazonia, an ultraviolet aerodynamic particle sizer (UV-APS) was operated…”
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8
Smoking Rain Clouds over the Amazon
Published in Science (American Association for the Advancement of Science) (27-02-2004)“…Heavy smoke from forest fires in the Amazon was observed to reduce cloud droplet size and so delay the onset of precipitation from 1.5 kilometers above cloud…”
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9
The effect of atmospheric aerosol particles and clouds on net ecosystem exchange in the Amazon
Published in Atmospheric chemistry and physics (01-07-2014)“…Carbon cycling in the Amazon is closely linked to atmospheric processes and climate in the region as a consequence of the strong coupling between the…”
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10
Optical properties of humic-like substances (HULIS) in biomass-burning aerosols
Published in Atmospheric chemistry and physics (30-08-2006)“…We present here the optical properties of humic-like substances (HULIS) isolated from the fine fraction of biomass-burning aerosol collected in the Amazon…”
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11
Ground-based aerosol characterization during the South American Biomass Burning Analysis (SAMBBA) field experiment
Published in Atmospheric chemistry and physics (18-11-2014)“…This paper investigates the physical and chemical characteristics of aerosols at ground level at a site heavily impacted by biomass burning. The site is…”
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12
Strong sesquiterpene emissions from Amazonian soils
Published in Nature communications (08-06-2018)“…The Amazon rainforest is the world’s largest source of reactive volatile isoprenoids to the atmosphere. It is generally assumed that these emissions are…”
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13
Spatial variability of the direct radiative forcing of biomass burning aerosols and the effects of land use change in Amazonia
Published in Atmospheric chemistry and physics (01-02-2013)“…This paper addresses the Amazonian shortwave radiative budget over cloud-free conditions after considering three aspects of deforestation: (i) the emission of…”
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14
Cloud condensation nuclei in pristine tropical rainforest air of Amazonia: size-resolved measurements and modeling of atmospheric aerosol composition and CCN activity
Published in Atmospheric chemistry and physics (09-10-2009)“…Atmospheric aerosol particles serving as cloud condensation nuclei (CCN) are key elements of the hydrological cycle and climate. We have measured and…”
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15
Atmospheric mercury concentrations observed at ground-based monitoring sites globally distributed in the framework of the GMOS network
Published in Atmospheric chemistry and physics (23-09-2016)“…Long-term monitoring of data of ambient mercury (Hg) on a global scale to assess its emission, transport, atmospheric chemistry, and deposition processes is…”
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16
Combustion iron distribution and deposition
Published in Global biogeochemical cycles (01-03-2008)“…Iron is hypothesized to be an important micronutrient for ocean biota, thus modulating carbon dioxide uptake by the ocean biological pump. Studies have assumed…”
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17
Diel and seasonal changes of biogenic volatile organic compounds within and above an Amazonian rainforest
Published in Atmospheric chemistry and physics (25-03-2015)“…The Amazonian rainforest is a large tropical ecosystem, which is one of the last pristine continental terrains. This ecosystem is ideally located for the study…”
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The AeroCom evaluation and intercomparison of organic aerosol in global models
Published in Atmospheric chemistry and physics (15-10-2014)“…This paper evaluates the current status of global modeling of the organic aerosol (OA) in the troposphere and analyzes the differences between models as well…”
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Deriving brown carbon from multiwavelength absorption measurements: method and application to AERONET and Aethalometer observations
Published in Atmospheric chemistry and physics (13-10-2016)“…The radiative impact of organic aerosols (OA) is a large source of uncertainty in estimating the global direct radiative effect (DRE) of aerosols. This…”
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20
The effect of physical and chemical aerosol properties on warm cloud droplet activation
Published in Atmospheric chemistry and physics (05-07-2006)“…The effects of atmospheric aerosol on climate forcing may be very substantial but are quantified poorly at present; in particular, the effects of aerosols on…”
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