Radovan Krejci
San Antonio College
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NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference | 2013
Radovan Krejci; Thomas Hamburger; Johan Ström; Peter Tunved; Tina Schmeissner; Modris Matisans; Silvia Margarita Calderón; Pedro Hoffman
The long-term measurements of aerosol number and size distributions in tropical free troposphere (FT) were carried out from 2007 until 2009. The measurements took place at the high altitude Atmospheric Research Station Pico Espejo located on top of the Sierra Nevada mountain ridge at 4765 m a.s.l. nearby the city of Merida, Venezuela. Analysis of aerosol number concentration, size distribution and light absorbing aerosol focuses mainly on possible links to the atmospheric general circulation in the tropics and seasonality driven changes in biomass burning activity. Repeatable annual and diurnal cycles of the particle number concentration were observed.
NUCLEATION AND ATMOSPHERIC AEROSOLS: 19th International Conference | 2013
Tuomo Nieminen; Jenni Kontkanen; Radovan Krejci; Johan Ström; Peter Tunved; Thomas Hamburger; Silvia Margarita Calderón; Pedro Hoffman
Formation and growth events of nucleation mode particles (10-25 nm in diameter) were analyzed from 27 month period of particle size distribution measurements at the high altitude site Pico Espejo in Venezuela. Particle formation was observed both in air masses connected to boundary layer air and in free tropospheric conditions. The frequency and magnitude of particle formation at this high altitude site was comparable to many observations at lower altitude sites.
Atmospheric Chemistry and Physics | 2017
Martine Collaud Coen; E. Andrews; Diego Aliaga; Marcos Andrade; Hristo Angelov; Nicolas Bukowiecki; Marina Ealo; Paulo Fialho; H. Flentje; A. Gannet Hallar; R. K. Hooda; Ivo Kalapov; Radovan Krejci; Neng-Huei Lin; Angela Marinoni; Jing Ming; Nhat Anh Nguyen; Marco Pandolfi; Véronique Pont; Ludwig Ries; Sergio Rodríguez; Gerhard Schauer; K. Sellegri; Sangeeta Sharma; Junying Sun; Peter Tunved; Patricio Velasquez; Dominique Ruffieux
Atmospheric Chemistry and Physics | 2018
Martine Collaud Coen; E. Andrews; Diego Aliaga; Marcos Andrade; Hristo Angelov; Nicolas Bukowiecki; Marina Ealo; Paulo Fialho; H. Flentje; A. Gannet Hallar; R. K. Hooda; Ivo Kalapov; Radovan Krejci; Neng-Huei Lin; Angela Marinoni; Jing Ming; Nhat Anh Nguyen; Marco Pandolfi; Véronique Pont; Ludwig Ries; Sergio Rodríguez; Gerhard Schauer; K. Sellegri; Sangeeta Sharma; Junying Sun; Peter Tunved; Patricio Velasquez; Dominique Ruffieux
Supplement to: Freud, E et al. (2017): Pan-Arctic aerosol number size distributions: seasonality and transport patterns. Atmospheric Chemistry and Physics, 17(13), 8101-8128, https://doi.org/10.5194/acp-17-8101-2017 | 2017
Eyal Freud; Radovan Krejci; Peter Tunved; W. Richard Leaitch; Quynh T. Nguyen; Andreas Massling; Henrik Skov; L. A. Barrie
Ciencia e Ingeniería | 2013
Silvia Margarita Calderón; Nayret Calderón Malavé; Edinzo Jesús Iglesias Sánchez; Francis Larez; Oneida Ramírez; Julio Hernández; Daisy Sosa; José María Anderez; P. Hoffmann; Radovan Krejci
Archive | 2012
Johan Ström; Julia Zábori; Radovan Krejci; Annica M. L. Ekman; Peter Tunved; M. Hansson
Archive | 2010
Andreas Minikin; Bernadett Weinzierl; Radovan Krejci; Ann-Christine Engvall; Hans Schlager; Frank Arnold; Johan Ström; Andreas Herber; Andreas Stohl
Archive | 2010
Thomas Hamburger; Andreas Minikin; Andreas Petzold; Gavin McMeeking; Hugh Coe; Heikki Junninen; Adam Kristensson; Bas Henzing; M. Dall'Osto; Wolfram Birmili; H. Flentje; Radovan Krejci
Archive | 2010
Andreas Minikin; Radovan Krejci; Andreas Herber; Andreas Stohl