Anthropogenic emissions
Transport of anthropogenic emissions during ARCTAS-A: a climatology and regional case studies
... are located along the Northeastern US coastline five days prior to the flight (Fig. 12a). It is between 4 and 5 days back from the flight that the most trajectories encounter the boundary layer along the North American ...
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Simulating the integrated summertime Δ<sup>14</sup>CO<sub>2</sub> signature from anthropogenic emissions over Western Europe
... plants are sizeable compared to the measurement precision of approximately 2 ‰. The regions with high influence from anthropogenic emissions from Fig. 5, namely the Ruhrgebiet in western Germany and the ...
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Climate responses to anthropogenic emissions of short-lived climate pollutants
... reduced emissions in ...aerosol emissions increased cloud cover over the North Pa- cific, so removing these aerosols would reduce cloud ...aerosol emissions reductions over the east- ern ...
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Impact of the North Atlantic Oscillation on European aerosol ground levels through local processes: a seasonal model-based assessment using fixed anthropogenic emissions
... Hence, the objective of the present study is to increase the understanding of the signature of the NAO in terms of mean concentration of aerosols in a region covering the en- tire Mediterranean Basin, from northern ...
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Historic records of organic compounds from a high Alpine glacier: influences of biomass burning, anthropogenic emissions, and dust transport
... biogenic emissions is the missing link to tempera- ture. Direct biogenic emissions from forests have been shown to follow temperatures (Eichler et ...
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Natural and anthropogenic emissions of metals and nutrients to the lower contas river basin, Bahia state, Brazil.
... No presente estudo é apresentada uma estimativa das cargas na- turais e antrópicas de N, P, Zn, Cu, Cd, Pb e Hg para a bacia inferior do Rio de Contas, Estado da Bahia, que foi obtida a[r] ...
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Airborne observations of formic acid using a chemical ionization mass spectrometer
... both anthropogenic and biogenic sources ...morning emissions of formic acid from an anthropogenic source increases formic acid in the early afternoon, but has less effect in the late after- noon, ...
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Interannual variation in the fine-mode MODIS aerosol optical depth and its relationship to the changes in sulfur dioxide emissions in China between 2000 and 2010
... The anthropogenic emissions data for 2000–2005 are from the Regional Emission Inventory in Asia (REAS) (Ohara et ...Asian emissions inventories for 10 chemical species at ...
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Satellite constraint for emissions of nitrogen oxides from anthropogenic, lightning and soil sources over East China on a high-resolution grid
... of anthropogenic emissions most likely has in- creased in more recent years due to their rapid growth (Lin and McElroy, ...the anthropogenic con- tribution may continue to increase along with the ...
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Historical (1850–2000) gridded anthropogenic and biomass burning emissions of reactive gases and aerosols: methodology and application
... of anthropogenic and biomass burning origins (sulfate, nitrate, black carbon and organic carbon) constitute the species of in- terest in our ...that anthropogenic emissions were already significantly ...
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Air quality and radiative forcing impacts of anthropogenic volatile organic compound emissions from ten world regions
... burning emissions, yet assumes the same mixture of NMVOC species as anthropogenic ...NMVOC emissions for 1850–2000 due to O 3 and CH 4 changes ...
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Evaluation of discrepancy between measured and modelled oxidized mercury species
... oxidized mercury concentrations in light of other measure- ment constraints such as Hg 0 concentrations and wet de- position which are known to be more reliable measure- ments compared to the oxidized mercury ...
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Aerosol size distribution and radiative forcing response to anthropogenically driven historical changes in biogenic secondary organic aerosol formation
... There are also increases in N80 over oceanic regions downwind of regions with significant decreases in N80. This is caused by the increases in N3 and N10 over land. When the air mass is advected over the ocean, the ...
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A review of measurement-based assessments of the aerosol direct radiative effect and forcing
... the anthropogenic aerosol radiative forcing (Kaufman et ...and anthropogenic aerosols and clouds with accuracy and coverage sufficient for a reliable quantification of the aerosol direct and indirect ef- ...
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Assessment of Green House Gas Emissions in Road construction in India and its reduction potentials
... Global warming is the ‘talk of the town’ in this century, with its detrimental effects already being brought to limelight by the recurring events of massive floods, annihilating droughts and ravaging cyclones throughout ...
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Diurnal tracking of anthropogenic CO</sub>2</sub> emissions in the Los Angeles basin megacity during spring, 2010
... by an upward pointing Fourier transform spectrometer (FTS) in spring of 2008 for the Pasadena area (at NASA’s Jet Propulsion Laboratory (JPL), ∼5 km northwest of Cal- tech) by Wunch et al. (2011) (Fig. B1), supporting ...
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Regional-scale transport of air pollutants: impacts of southern California emissions on Phoenix ground-level ozone concentrations
... same emissions except over California, the difference in ozone between these experiments offsets the chemical ozone production east of California and west of ...
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Impact of Oxygen Enriched Air Intake on the Exhaust of a Single Cylinder Diesel Engine
... From the Table 2 it was very clear that role of oxygen enrichment plays an important role in decreasing CO emissions. From the Fig. 2 one can observe that oxygen enriched combustion produces good results with ...
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Anthropogenic, direct pressures on coastal wetlands
... The various human activities in the catchment of the Ria Formosa exert multiple anthropogenic pressures on the wetlands. Foremost of these is the loss of habitat and associated biodiversity, especially the loss of ...
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Aplicação da ACV na gestão de resíduos
... Inventory analysis involves data collection and calculation procedures to quantify relevant material and energy inputs and outputs of the systems (ISO 14040, 1997). For each unit process included in the system, use of ...
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