anthropogenic aerosol
Potential of polarization/Raman lidar to separate fine dust, coarse dust, maritime, and anthropogenic aerosol profiles
... Saharan Aerosol Long- Range Transport and Aerosol-Cloud-Interaction Experiment (SALTRACE) in the summer of ...plex aerosol layering and mixing conditions as is the case over the remote tropical ...
25
MACv2-SP: a parameterization of anthropogenic aerosol optical properties and an associated Twomey effect for use in CMIP6
... atmospheric aerosol, it seems natural to ask what was different about the climate of the 20th century due to this anthropogenic ...that aerosol pertur- bations may be responsible for shifts in ...
20
Natural aerosol–climate feedbacks suppressed by anthropogenic aerosol
... atmospheric aerosol such as dust, sea spray, and wild fi re ...natural aerosol sources, which, in turn, can alter climate through changing the properties of clouds and the Earth’s radiative ...by ...
5
First forcing estimates from the future CMIP6 scenarios of anthropogenic aerosol optical properties and an associated Twomey effect
... pogenic aerosol, ...of aerosol forcing when exploring origins of model differences in radiative forcing (RFMIP, Pincus et ...of aerosol effects on climate both in high- resolution simulations ...
19
Reassessment of pre-industrial fire emissions strongly affects anthropogenic aerosol forcing
... Pre-industrial aerosol concentrations. Figure 3 shows annual mean PI cloud condensation nuclei (CCN) concentrations simulated by the aerosol model for the four fire emission sce- narios (see Methods). Global ...
12
Effects of land use and anthropogenic aerosol emissions in the Roman Empire
... To estimate SOA formation from biogenic sources, a volatility basis set (VBS) was used (Kühn et al., 2019; Mielonen et al., 2018; Stadtler et al., 2018). The VBS uses three volatility bins following Farina et al. (2010), ...
27
Uncertainty in the magnitude of aerosol-cloud radiative forcing over recent decades
... in anthropogenic aerosol emissions, as is the case in the 1998–2008 ...the anthropogenic aerosol emission changes during the most recent decade are so small, and second, our results highlight ...
10
The Climatic Importance of Uncertainties in Regional Aerosol-Cloud Radiative Forcings over Recent Decades
... regions. Anthropogenic aerosol emissions have prevented North Atlantic SST from warming as rapidly as South Atlantic SST in response to increasing greenhouse gas concentrations over the last century ...
19
Natural aerosol direct and indirect radiative effects
... natural aerosol burden has a relatively larger SH component, mainly due to high sea-salt (SH burden ~90% larger than in the NH) and DMS-sulfate (SH burden ~40% larger than in the NH) loadings, see Figure 1 and ...
6
Changing circulation structure and precipitation characteristics in Asian monsoon regions: greenhouse warming vs. aerosol effects
... of anthropogenic emissions of greenhouse gases (GHG) and aerosols in changing the characteristics of the large‑scale circulation and rainfall in Asian summer monsoon (ASM) ...Including anthropogenic ...
11
Toward a comprehensive global electric circuit model: Atmospheric conductivity and its variability in CESM1(WACCM) model simulations
... circuit, the Community Earth System Model (CESM1) has been extended to provide a calculation of conductivity in the troposphere and stratosphere. Conductivity depends on ion mobility and ion concentration, the latter ...
12
Aerosol optical properties derived from POLDER-3/PARASOL (2005–2013) over the western Mediterranean Sea – Part 1: Quality assessment with AERONET and in situ airborne observations
... http://mistrals-home.org/). It has also been supported by the French National Research Agency (ANR) through the ADRIMED program (contract ANR-11-BS56-0006) and by the French National Pro- gram of Spatial Teledetection ...
24
Aerosol-type classification based on AERONET version 3 inversion products
... classified aerosol types based on the absorption Ångström ...for aerosol classification can be obtained from active aerosol remote sensing with lidar, particularly when we include information on the ...
15
Nabro volcano aerosol in the stratosphere over Georgia, South Caucasus from ground-based spectrometry of twilight sky brightness
... shows aerosol profiles with enhanced SAL after the Nabro ...OSIRIS aerosol profiles show smaller aerosol extinctions in the SAL than twilight ...OSIRIS aerosol extinction profiles do not ...
14
Design of a new multi-phase experimental simulation chamber for atmospheric photosmog, aerosol and cloud chemistry research
... Size is probably among the most critical parameters. In- deed, for comparable shapes, the bigger the reactor, the smaller the surface-to-volume ratio (S/V), and thus the less important unwanted surface reactions will be. ...
30
Exploring the applicability and limitations of selected optical scattering instruments for PM mass measurement
... Mie scattering calculation results were used to explain the observed performance characteristics of the DRX and the PDR. The relative scattering fluxes from particles for condi- tions appropriate to the DRX and PDR are ...
11
Description and evaluation of tropospheric chemistry and aerosols in the Community Earth System Model (CESM1.2)
... Tsigaridis, K., Daskalakis, N., Kanakidou, M., Adams, P. J., Ar- taxo, P., Bahadur, R., Balkanski, Y., Bauer, S. E., Bellouin, N., Benedetti, A., Bergman, T., Berntsen, T. K., Beukes, J. P., Bian, H., Carslaw, K. S., ...
33
Remote sensing of aerosols by using polarized, directional and spectral measurements within the A-Train: the PARASOL mission
... The fine-mode optical depth can also be compared to AERONET measurements. Over ocean, the accuracy is gen- erally lower (correlation of 0.78) than for the total AOD (Br´eon et al., 2011) partly due to some discrepancy in ...
13
Comparison of three aerosol chemical characterization techniques utilizing PTR-ToF-MS: a study on freshly formed and aged biogenic SOA
... the aerosol chemical characteriza- tion techniques was performed with a focus on the differ- ent chemical characteristics (oxygen content, carbon content, molecular weight) of the SOA ...
20
Anthropogenic particles in natural sediment sinks: Microplastics accumulation in tributary, beach and lake bottom sediments of Lake Ontario, North America
... Rivers, particularly urban tributaries, are depositional sites as well as major transport pathways for microplastics and macroplastics (Moore et al., 2011; Gasperi et al., 2014; Lechner et al., 2014; Rech et al., 2014; ...
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