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[PDF] Top 20 Global distribution of the effective aerosol hygroscopicity parameter for CCN activation

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Global distribution of the effective aerosol hygroscopicity parameter for CCN activation

Global distribution of the effective aerosol hygroscopicity parameter for CCN activation

... variation of κ with altitude of the single sites is com- ...by the hydrophobic BC particles ageing and become more hydrophilic at higher altitudes (up to 800 hPa, after which κ ...decreases). ... See full document

15

Impact of mixing state and hygroscopicity on CCN activity of biomass burning aerosol in Amazonia

Impact of mixing state and hygroscopicity on CCN activity of biomass burning aerosol in Amazonia

... source of uncertain- ties in the quantification of climate forcing of aerosols (Bauer and Menon, 2012; IPCC, ...2013). The wet size of an aerosol particle when at ... See full document

20

The hygroscopicity parameter (κ) of ambient organic aerosol at a field site subject to biogenic and anthropogenic influences: Relationship to degree of aerosol oxidation

The hygroscopicity parameter (κ) of ambient organic aerosol at a field site subject to biogenic and anthropogenic influences: Relationship to degree of aerosol oxidation

... degree of oxygenation at all sizes. These assumptions are justified by the lack of local sources, and the observation that the aerosol mass distribution, in both ... See full document

38

Estimation of cloud condensation nuclei concentration from aerosol optical quantities: influential factors and uncertainties

Estimation of cloud condensation nuclei concentration from aerosol optical quantities: influential factors and uncertainties

... counting the number of droplets formed in a chamber using optical counters at various levels of wa- ter vapor supersaturation (S) (Hudson and Yum, 2002; Ross et ...measurements of CCN ... See full document

13

Hygroscopicity, CCN and volatility properties of submicron atmospheric aerosol in a boreal forest environment during the summer of 2010

Hygroscopicity, CCN and volatility properties of submicron atmospheric aerosol in a boreal forest environment during the summer of 2010

... ability of the ambient aerosol particles to activate into cloud droplets under supersaturated conditions was measured for both size-resolved aerosol and total aerosol population with a ... See full document

16

Adjoint sensitivity of global cloud droplet number to aerosol and dynamical parameters

Adjoint sensitivity of global cloud droplet number to aerosol and dynamical parameters

... from the ICARTT field study to determine the main parameters required for achiev- ing CCN closure; they found that knowledge of the aerosol size distribution along with a ... See full document

15

Long-term observations of cloud condensation nuclei in the Amazon rain forest – Part 1: Aerosol size distribution, hygroscopicity, and new model parametrizations for CCN prediction

Long-term observations of cloud condensation nuclei in the Amazon rain forest – Part 1: Aerosol size distribution, hygroscopicity, and new model parametrizations for CCN prediction

... understanding of the Earth’s climate system and its man-made perturbation, the multiscale and feedback- rich life cycles of clouds represent one of the largest uncer- tainties ... See full document

32

The role of the particle size distribution in assessing aerosol composition effects on simulated droplet activation

The role of the particle size distribution in assessing aerosol composition effects on simulated droplet activation

... in the model aerosol hygroscopicity as represented by the κ ...parameter. The differences in precip- itation amount and distribution were similar to those seen in ... See full document

35

Hygroscopicity and chemical composition of Antarctic sub-micrometre aerosol particles and observations of new particle formation

Hygroscopicity and chemical composition of Antarctic sub-micrometre aerosol particles and observations of new particle formation

... 2003) the number of events was lower and from DMPS data, only three class I events could be observed (Table ...track the principal differences in weather patterns between nucleation and ... See full document

55

Airborne measurements of the spatial distribution of aerosol chemical composition across Europe and evolution of the organic fraction

Airborne measurements of the spatial distribution of aerosol chemical composition across Europe and evolution of the organic fraction

... date aerosol chemical composition and the processes which change it, with a focus upon their regional ...as the Indian Ocean Experi- ment (INDOEX, Ramanathan et ...as the New England Air ... See full document

19

Examination of parameterizations for CCN number concentrations based on in-situ aerosol activation property measurements in the North China Plain

Examination of parameterizations for CCN number concentrations based on in-situ aerosol activation property measurements in the North China Plain

... during the International Consortium for Atmospheric Research on Transport and Transformation 2004 campaign: effects of size- resolved composition, ... See full document

32

Effects of boundary layer particle formation on cloud droplet number and changes in cloud albedo from 1850 to 2000

Effects of boundary layer particle formation on cloud droplet number and changes in cloud albedo from 1850 to 2000

... a global aerosol microphysics model to estimate the effect of particle formation through activation nucleation in the boundary layer (BL) on cloud droplet num- ber concentration ... See full document

11

Sensitivity of cloud condensation nuclei to regional changes in dimethyl-sulphide emissions

Sensitivity of cloud condensation nuclei to regional changes in dimethyl-sulphide emissions

... Uppala, S. M., Kallberg, P. W., Simmons, A. J., Andrae, U., Bech- told, V. D., Fiorino, M., Gibson, J. K., Haseler, J., Hernandez, A., Kelly, G. A., Li, X., Onogi, K., Saarinen, S., Sokka, N., Al- lan, R. P., Andersson, ... See full document

11

CCN activation and cloud processing in sectional aerosol models with low size resolution

CCN activation and cloud processing in sectional aerosol models with low size resolution

... Overall, the simplified low resolution model agreed fairly well with the reference model under marine and rural condi- ...In the polluted urban case, the simplified model, which cannot resolve ... See full document

10

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

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

... investigating the activation curves of the smoke particles from the EFEU ex- periment ...that the broadening is much larger than for the ideal curves (aerosol to ... See full document

17

Aerosol effects on deep convective clouds: impact of changes in aerosol size distribution and aerosol activation parameterization

Aerosol effects on deep convective clouds: impact of changes in aerosol size distribution and aerosol activation parameterization

... Conant, W. C., Dulac, F., Heintzenberg, J., Heymsfield, A. J., Holben, B., Howell, S., Hudson, J., Jayaraman, A., Kiehl, J. T., Krishnamurti, T. N., Lubin, D., McFarquhar, G., Novakov, T., Ogren, J. A., Podgorny, I. A., ... See full document

34

Parameterization of cloud droplet formation for global and regional models: including adsorption activation from insoluble CCN

Parameterization of cloud droplet formation for global and regional models: including adsorption activation from insoluble CCN

... isotherms. The Langmuir isotherm is the first and perhaps the most studied adsorption model developed until to ...describing the ad- sorption of a monolayer of water vapor, and ... See full document

40

The complex response of Arctic cloud condensation nuclei to sea-ice retreat

The complex response of Arctic cloud condensation nuclei to sea-ice retreat

... part of ASCOS (the Arctic Summer Cloud Ocean ...from the Knut and Alice Wallenberg Foundation and the DAMO- CLES European Union 6th Framework Program Integrated Research ...Project. The ... See full document

35

The Current State of Neoadjuvant Chemotherapy for Muscle-Invasive Bladder Cancer

The Current State of Neoadjuvant Chemotherapy for Muscle-Invasive Bladder Cancer

... in the use of NAC for the treatment of patients with ...MIBC. The most recent and largest study was published by the International Collaboration of Trialists, and included ... See full document

6

Measurements of size-resolved hygroscopicity in the California coastal zone

Measurements of size-resolved hygroscopicity in the California coastal zone

... utilize the internal variance of chemical compositions within a sample set to extract statistical source profiles which can then be used for source ...Perhaps the oldest such technique is factor ... See full document

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