Zobrazeno 1 - 10
of 829
pro vyhledávání: '"A. Ulanovsky"'
Autor:
K.-O. Lee, B. Barret, E. L. Flochmoën, P. Tulet, S. Bucci, M. von Hobe, C. Kloss, B. Legras, M. Leriche, B. Sauvage, F. Ravegnani, A. Ulanovsky
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 3255-3274 (2021)
The StratoClim airborne campaign took place in Nepal from 27 July to 10 August 2017 to document the physical and chemical properties of the South Asian upper troposphere–lower stratosphere (UTLS) during the Asian summer monsoon (ASM). In the presen
Externí odkaz:
https://doaj.org/article/6cb67384032d4cc59a011cf329cdfdde
Autor:
J. Schneider, R. Weigel, T. Klimach, A. Dragoneas, O. Appel, A. Hünig, S. Molleker, F. Köllner, H.-C. Clemen, O. Eppers, P. Hoppe, P. Hoor, C. Mahnke, M. Krämer, C. Rolf, J.-U. Grooß, A. Zahn, F. Obersteiner, F. Ravegnani, A. Ulanovsky, H. Schlager, M. Scheibe, G. S. Diskin, J. P. DiGangi, J. B. Nowak, M. Zöger, S. Borrmann
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 989-1013 (2021)
We analyse aerosol particle composition measurements from five research missions between 2014 and 2018 to assess the meridional extent of particles containing meteoric material in the upper troposphere and lower stratosphere (UTLS). Measurements from
Externí odkaz:
https://doaj.org/article/ccb3258ea0c345c5873eadf9a39a5e47
Autor:
S. Bucci, B. Legras, P. Sellitto, F. D'Amato, S. Viciani, A. Montori, A. Chiarugi, F. Ravegnani, A. Ulanovsky, F. Cairo, F. Stroh
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 12193-12210 (2020)
The StratoClim stratospheric aircraft campaign took place in summer 2017 in Nepal (27 July–10 August) and provided for the first time a wide dataset of observations of air composition inside the Asian monsoon anticyclone (AMA). In the framework of
Externí odkaz:
https://doaj.org/article/e90dae2a7a8d4cd7b3ce311386198270
Autor:
Ulanovsky, Ya. B., Frolov, A. M.
Publikováno v:
International Journal of Applied Science and Technology "Integral" 1/2023
The possibility of the effect of electromagnetic radiation (hereinafter - radiation from vacuum) due to the interaction of zero-point vacuum fluctuations with free charged particles accelerated at relativistic speeds in electric or magnetic fields is
Externí odkaz:
http://arxiv.org/abs/2311.10783
Autor:
W. Frey, R. Schofield, P. Hoor, D. Kunkel, F. Ravegnani, A. Ulanovsky, S. Viciani, F. D'Amato, T. P. Lane
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 11, Pp 6467-6486 (2015)
In this study we examine the simulated downward transport and mixing of stratospheric air into the upper tropical troposphere as observed on a research flight during the SCOUT-O3 campaign in connection with a deep convective system. We use the Advanc
Externí odkaz:
https://doaj.org/article/ecb933fb568a49d1b6de0918ae83ff61
Autor:
W. Frey, S. Borrmann, F. Fierli, R. Weigel, V. Mitev, R. Matthey, F. Ravegnani, N. M. Sitnikov, A. Ulanovsky, F. Cairo
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 23, Pp 13223-13240 (2014)
The case study presented here focuses on the life cycle of clouds in the anvil region of a tropical deep convective system. During the SCOUT-O3 campaign from Darwin, Northern Australia, the Hector storm system has been probed by the Geophysica high-a
Externí odkaz:
https://doaj.org/article/8ea32b064bb5416aacef2930dfae6c21
Autor:
I. Wohltmann, T. Wegner, R. Müller, R. Lehmann, M. Rex, G. L. Manney, M. L. Santee, P. Bernath, O. Sumińska-Ebersoldt, F. Stroh, M. von Hobe, C. M. Volk, E. Hösen, F. Ravegnani, A. Ulanovsky, V. Yushkov
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 8, Pp 3909-3929 (2013)
Stratospheric chemistry and denitrification are simulated for the Arctic winter 2009/2010 with the Lagrangian Chemistry and Transport Model ATLAS. A number of sensitivity runs is used to explore the impact of uncertainties in chlorine activation and
Externí odkaz:
https://doaj.org/article/8413377657134762ba43f79e7e64a628
CRISTA-NF measurements with unprecedented vertical resolution during the RECONCILE aircraft campaign
Autor:
J. Ungermann, C. Kalicinsky, F. Olschewski, P. Knieling, L. Hoffmann, J. Blank, W. Woiwode, H. Oelhaf, E. Hösen, C. M. Volk, A. Ulanovsky, F. Ravegnani, K. Weigel, F. Stroh, M. Riese
Publikováno v:
Atmospheric Measurement Techniques, Vol 5, Iss 5, Pp 1173-1191 (2012)
The Cryogenic Infrared Spectrometers and Telescope for the Atmosphere – New Frontiers (CRISTA-NF), an airborne infrared limb-sounder, was operated aboard the high-flying Russian research aircraft M55-Geophysica during the Arctic RECONCILE campaign
Externí odkaz:
https://doaj.org/article/920bb048be4a4f99a37904554e52710f
Emission sources contributing to tropospheric ozone over Equatorial Africa during the summer monsoon
Autor:
I. Bouarar, K. S. Law, M. Pham, C. Liousse, H. Schlager, T. Hamburger, C. E. Reeves, J.-P. Cammas, P. Nédéléc, S. Szopa, F. Ravegnani, S. Viciani, F. D'Amato, A. Ulanovsky, A. Richter
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 24, Pp 13395-13419 (2011)
A global chemistry-climate model LMDz_INCA is used to investigate the contribution of African and Asian emissions to tropospheric ozone over Central and West Africa during the summer monsoon. The model results show that ozone in this region is most s
Externí odkaz:
https://doaj.org/article/b66c20677b64441194a64f574c832fdd
Autor:
W. Frey, S. Borrmann, D. Kunkel, R. Weigel, M. de Reus, H. Schlager, A. Roiger, C. Voigt, P. Hoor, J. Curtius, M. Krämer, C. Schiller, C. M. Volk, C. D. Homan, F. Fierli, G. Di Donfrancesco, A. Ulanovsky, F. Ravegnani, N. M. Sitnikov, S. Viciani, F. D'Amato, G. N. Shur, G. V. Belyaev, K. S. Law, F. Cairo
Publikováno v:
Atmospheric Chemistry and Physics, Vol 11, Iss 12, Pp 5569-5590 (2011)
In situ measurements of ice crystal size distributions in tropical upper troposphere/lower stratosphere (UT/LS) clouds were performed during the SCOUT-AMMA campaign over West Africa in August 2006. The cloud properties were measured with a Forward Sc
Externí odkaz:
https://doaj.org/article/7a7f7189978846f8bd7b3db419527e90