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1.
Observation of viscosity transition in α-pinene secondary organic aerosol / Järvinen, Emma (KIT, Karlsruhe) ; Ignatius, Karoliina (TROPOS, Leibniz) ; Nichman, Leonid (Manchester U.) ; Kristensen, Thomas B (TROPOS, Leibniz) ; Fuchs, Claudia (PSI, Villigen) ; Hoyle, Christopher R (PSI, Villigen ; Davos Observ.) ; Höppel, Niko (KIT, Karlsruhe) ; Corbin, Joel C (PSI, Villigen) ; Craven, Jill (Caltech) ; Duplissy, Jonathan (Helsinki U.) et al.
Under certain conditions, secondary organic aerosol (SOA) particles can exist in the atmosphere in an amorphous solid or semi-solid state. To determine their relevance to processes such as ice nucleation or chemistry occurring within particles requires knowledge of the temperature and relative humidity (RH) range for SOA to exist in these states. [...]
2016 - 16 p. - Published in : Atmosph. Chem. Phys. 16 (2016) 4423-4438 Fulltext: PDF;
2.
Heterogeneous ice nucleation of viscous secondary organic aerosol produced from ozonolysis of α-pinene / Ignatius, Karoliina (TROPOS, Leibniz) ; Kristensen, Thomas B (TROPOS, Leibniz) ; Järvinen, Emma (KIT, Karlsruhe) ; Nichman, Leonid (Manchester U.) ; Fuchs, Claudia (PSI, Villigen) ; Gordon, Hamish (CERN) ; Herenz, Paul (KIT, Karlsruhe) ; Hoyle, Christopher R (PSI, Villigen ; Davos Observ.) ; Duplissy, Jonathan (Helsinki U.) ; Garimella, Sarvesh (MIT) et al.
There are strong indications that particles containing secondary organic aerosol (SOA) exhibit amorphous solid or semi-solid phase states in the atmosphere. This may facilitate heterogeneous ice nucleation and thus influence cloud properties. [...]
2016 - 15 p. - Published in : Atmosph. Chem. Phys. 16 (2016) 6495-6509 Fulltext: PDF;
3.
Phase transition observations and discrimination of small cloud particles by light polarization in expansion chamber experiments / Nichman, Leonid (Manchester U.) ; Fuchs, Claudia (PSI, Villigen) ; Järvinen, Emma (KIT, Karlsruhe) ; Ignatius, Karoliina (TROPOS, Leibniz) ; Höppel, Niko Florian (KIT, Karlsruhe) ; Dias, Antonio (CERN) ; Heinritzi, Martin (Goethe U., Frankfurt (main)) ; Simon, Mario (Goethe U., Frankfurt (main)) ; Tröstl, Jasmin (PSI, Villigen) ; Wagner, Andrea Christine (Goethe U., Frankfurt (main)) et al.
Cloud microphysical processes involving the ice phase in tropospheric clouds are among the major uncertainties in cloud formation, weather, and general circulation models. The detection of aerosol particles, liquid droplets, and ice crystals, especially in the small cloud particle-size range below 50 μm, remains challenging in mixed phase, often unstable environments. [...]
2016 - 14 p. - Published in : Atmosph. Chem. Phys. 16 (2016) 3651-3664 Fulltext: PDF;

Vedi anche: autori con nomi simili
1 Höppel, N
1 Höppel, Niko Florian
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