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Aerosol Properties

Classification of aerosol properties derived from AERONET direct sun data

Classification of aerosol properties derived from AERONET direct sun data

... tify various aerosol properties peculiar to these locations. Data from Beijing (China) and Kanpur (India) confirmed these locations to be affected by superposition of dust, and high pollution conditions. At ...

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Aerosol properties over the western Mediterranean Basin: temporal and spatial variability

Aerosol properties over the western Mediterranean Basin: temporal and spatial variability

... α (440–870) data series due to some technical problems and the presence of clouds (invalid data). Table 1 presents a statistical summary of daily average values of all the analysed aerosol properties. One ...

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The effect of harmonized emissions on aerosol properties in global models – an AeroCom experiment

The effect of harmonized emissions on aerosol properties in global models – an AeroCom experiment

... emitted aerosol mass flux was matched, but size distributions have not been ...different aerosol types are taken into account in UIO GCM, because internal aerosol mixtures are con- ...

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Comparison between summertime and wintertime Arctic Ocean primary marine aerosol properties

Comparison between summertime and wintertime Arctic Ocean primary marine aerosol properties

... Despite the aim to reproduce the technical conditions of the summertime measurements during the wintertime cam- paign, differences in the dilution rate of the aerosol samples by clean air and the water pump rate ...

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Climatology of aerosol optical properties in Northern Norway and Svalbard

Climatology of aerosol optical properties in Northern Norway and Svalbard

... Toledano, C., Cachorro, V. E., Gausa, M., Stebel, K., Aaltonen, V., Berj ´on, A., Ortiz de Galis- teo, J. P., de Frutos, A. M., Bennouna, Y., Blindheim, S., Myhre, C. L., Zibordi, G., Wehrli, C., Kratzer, S., Hakansson, ...

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Measurements of aerosol intensive properties over Visakhapatnam, India for 2007

Measurements of aerosol intensive properties over Visakhapatnam, India for 2007

... physical properties such as aerosol optical depth and size distributions have shown that seasonal dependence of aerosol properties well correlate with the synoptic wind di- rection and ...

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The effects of mineral dust particles, aerosol regeneration and ice nucleation parameterizations on clouds and precipitation

The effects of mineral dust particles, aerosol regeneration and ice nucleation parameterizations on clouds and precipitation

... the aerosol properties as function of location, height and ...the aerosol size distribution at the inner domain boundaries in order to prevent depletion of aerosols from the ...initial aerosol ...

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Estimation of aerosol water and chemical composition from AERONET Sun–sky radiometer measurements at Cabauw,  the Netherlands

Estimation of aerosol water and chemical composition from AERONET Sun–sky radiometer measurements at Cabauw, the Netherlands

... the aerosol dry mass, the masses of several aerosol species, and aerosol water based on AERONET data from Cabauw (the ...an aerosol population that is initialized with an a priori size ...

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One year of Raman lidar observations of free-tropospheric aerosol layers over South Africa

One year of Raman lidar observations of free-tropospheric aerosol layers over South Africa

... extensive aerosol properties of free- tropospheric aerosol ...based aerosol in the region ...elevated aerosol layers is dominated by combus- tion ...of aerosol layers is 46 % ...

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Simulation of aerosol optical properties over Europe with a 3-D size-resolved aerosol model: comparisons with AERONET data

Simulation of aerosol optical properties over Europe with a 3-D size-resolved aerosol model: comparisons with AERONET data

... ology is first described, showing that several hypothesis can be made for several mi- crophysical aerosol properties. The simulation is made over one year (2001); statistics and monthly time series for the ...

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Regional and monthly and clear-sky aerosol direct radiative effect (and forcing) derived from the GlobAEROSOL-AATSR satellite aerosol product

Regional and monthly and clear-sky aerosol direct radiative effect (and forcing) derived from the GlobAEROSOL-AATSR satellite aerosol product

... Two circumstances motivate the research presented within this paper. Firstly there is much current research activity concerning the derivation of more quantitative satellite derived estimates of both aerosol ...

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Simultaneous retrieval of aerosol and cloud properties during the MILAGRO field campaign

Simultaneous retrieval of aerosol and cloud properties during the MILAGRO field campaign

... and aerosol vertical distribution. Aerosol sources include ur- ban/industrial emissions in the Mexico City Metropolitan Area (MCMA) basin, a high valley to the west, and numerous (mostly agricultural) fires ...

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Climate-relevant physical properties of molecular constituents relevant for isoprene-derived secondary organic aerosol material

Climate-relevant physical properties of molecular constituents relevant for isoprene-derived secondary organic aerosol material

... droplets was observed on a timescale of twenty minutes. We caution here that the partial pressure of IEPOX used in these experiments was much higher than its typical pressure in the atmosphere, and that gas and particle ...

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Analysis of the hygroscopic and volatile properties of ammonium sulphate seeded and un-seeded SOA particles

Analysis of the hygroscopic and volatile properties of ammonium sulphate seeded and un-seeded SOA particles

... Kanakidou, M., Seinfeld, J. H., Pandis, S. N., Barnes, I., Dentener, F. J., Facchini, M. C., Van Dingenen, R., Ervens, B., Nenes, A., Nielsen, C. J., Swietlicki, E., Putaud, J. P., Balkanski, Y., Fuzzi, S., Horth, J., ...

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Simulation of aerosol optical properties over a tropical urban site in India using a global model and its comparison with ground measurements

Simulation of aerosol optical properties over a tropical urban site in India using a global model and its comparison with ground measurements

... These results lead us to the conclusion that in the simu- lations the increase in BC at the surface causes the increase in columnar absorption and the decrease in columnar SSA values over Hyderabad, whereas in the ...

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Technical note: A method for measuring size-resolved CCN in the atmosphere

Technical note: A method for measuring size-resolved CCN in the atmosphere

... measurements as part of the project: “Impact of Vegetation Fires on the Composition and Circulation of the Atmosphere” (EFEU) (Wurzler et al., 2001; Chand et al., 2005; Dusek et al., 2005). Different biomass fuels, e.g., ...

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Exploiting the weekly cycle as observed over Europe to analyse aerosol indirect effects in two climate models

Exploiting the weekly cycle as observed over Europe to analyse aerosol indirect effects in two climate models

... are not distinguishable in the datasets. Similarly, our results do not support the attri- bution of observed weekly cycles in temperatures (either maximum or daily-mean) and precipitation to aerosol effects. It ...

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The effect of photochemical ageing and initial precursor concentration on the composition and hygroscopic  properties of β-caryophyllene secondary organic aerosol

The effect of photochemical ageing and initial precursor concentration on the composition and hygroscopic properties of β-caryophyllene secondary organic aerosol

... tration aerosol (left hand panel of Table 3) with ions in the lower concentration gas phase mass spectra, it is possible that condensed phase chemistry ...(i.e. aerosol ageing) may have had some role in ...

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Determination and analysis of spectral aerosol optical properties by a multi-instrumental approach

Determination and analysis of spectral aerosol optical properties by a multi-instrumental approach

... Local aerosol sources are mainly road traffic (dominated by diesel engines) together with soil re-suspension, especially during the warm-dry season when the reduced rainfall may increase the contribution of local ...

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