Zobrazeno 1 - 10
of 9 925
pro vyhledávání: '"A. Walser"'
Autor:
M. Teri, T. Müller, J. Gasteiger, S. Valentini, H. Horvath, R. Vecchi, P. Bauer, A. Walser, B. Weinzierl
Publikováno v:
Atmospheric Measurement Techniques, Vol 15, Pp 3161-3187 (2022)
Aerosol particles in the atmosphere interact with solar radiation through scattering and absorption. Accurate aerosol optical properties are needed to reduce the uncertainties of climate predictions. The aerosol optical properties can be obtained via
Externí odkaz:
https://doaj.org/article/0b6de902ee794840bb41a1f1c9364159
Autor:
R. C. Braga, B. Ervens, D. Rosenfeld, M. O. Andreae, J.-D. Förster, D. Fütterer, L. Hernández Pardo, B. A. Holanda, T. Jurkat-Witschas, O. O. Krüger, O. Lauer, L. A. T. Machado, C. Pöhlker, D. Sauer, C. Voigt, A. Walser, M. Wendisch, U. Pöschl, M. L. Pöhlker
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 17513-17528 (2021)
Aerosol–cloud interactions contribute to the large uncertainties in current estimates of climate forcing. We investigated the effect of aerosol particles on cloud droplet formation by model calculations and aircraft measurements over the Amazon and
Externí odkaz:
https://doaj.org/article/e69351355908468d8bd527b1865d8724
Autor:
Furey, Brandon J., Wu, Zhenlin, Isaza-Monsalve, Mariano, Walser, Stefan, Mattivi, Elyas, Nardi, René, Schindler, Philipp
The rotation of trapped molecules offers a promising platform for quantum technologies and quantum information processing. In parallel, quantum error correction codes that can protect quantum information encoded in rotational states of a single molec
Externí odkaz:
http://arxiv.org/abs/2405.02236
Autor:
C. G. Beer, J. Hendricks, M. Righi, B. Heinold, I. Tegen, S. Groß, D. Sauer, A. Walser, B. Weinzierl
Publikováno v:
Geoscientific Model Development, Vol 13, Pp 4287-4303 (2020)
It was hypothesized that using mineral dust emission climatologies in global chemistry climate models (GCCMs), i.e. prescribed monthly-mean dust emissions representative of a specific year, may lead to misrepresentations of strong dust burst events.
Externí odkaz:
https://doaj.org/article/adbde67567994ef8a262815019c9e497
Autor:
B. A. Holanda, M. L. Pöhlker, D. Walter, J. Saturno, M. Sörgel, J. Ditas, F. Ditas, C. Schulz, M. A. Franco, Q. Wang, T. Donth, P. Artaxo, H. M. J. Barbosa, S. Borrmann, R. Braga, J. Brito, Y. Cheng, M. Dollner, J. W. Kaiser, T. Klimach, C. Knote, O. O. Krüger, D. Fütterer, J. V. Lavrič, N. Ma, L. A. T. Machado, J. Ming, F. G. Morais, H. Paulsen, D. Sauer, H. Schlager, J. Schneider, H. Su, B. Weinzierl, A. Walser, M. Wendisch, H. Ziereis, M. Zöger, U. Pöschl, M. O. Andreae, C. Pöhlker
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 4757-4785 (2020)
Black carbon (BC) aerosols influence the Earth's atmosphere and climate, but their microphysical properties, spatiotemporal distribution, and long-range transport are not well constrained. This study presents airborne observations of the transatlanti
Externí odkaz:
https://doaj.org/article/a611899d480d4896978871c31b1900a1
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 15353-15376 (2019)
Mineral dust is an important component of the climate system, interacting with radiation, clouds, and biogeochemical systems and impacting atmospheric circulation, air quality, aviation, and solar energy generation. These impacts are sensitive to dus
Externí odkaz:
https://doaj.org/article/ae886621ce3d4acaa180a17e7c1db8c4
Autor:
M. Haarig, A. Walser, A. Ansmann, M. Dollner, D. Althausen, D. Sauer, D. Farrell, B. Weinzierl
Publikováno v:
Atmospheric Chemistry and Physics, Vol 19, Pp 13773-13788 (2019)
The present study aims to evaluate lidar retrievals of cloud-relevant aerosol properties by using polarization lidar and coincident airborne in situ measurements in the Saharan Air Layer (SAL) over the Barbados region. Vertical profiles of the number
Externí odkaz:
https://doaj.org/article/0b5f6fa8ee2542baa50ed31c1530dcab
Autor:
C. Schulz, J. Schneider, B. Amorim Holanda, O. Appel, A. Costa, S. S. de Sá, V. Dreiling, D. Fütterer, T. Jurkat-Witschas, T. Klimach, C. Knote, M. Krämer, S. T. Martin, S. Mertes, M. L. Pöhlker, D. Sauer, C. Voigt, A. Walser, B. Weinzierl, H. Ziereis, M. Zöger, M. O. Andreae, P. Artaxo, L. A. T. Machado, U. Pöschl, M. Wendisch, S. Borrmann
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 14979-15001 (2018)
During the ACRIDICON-CHUVA field project (September–October 2014; based in Manaus, Brazil) aircraft-based in situ measurements of aerosol chemical composition were conducted in the tropical troposphere over the Amazon using the High Altitude and
Externí odkaz:
https://doaj.org/article/14327237ef1f4c60a054857cf1b705e6
Autor:
Wu, Zhenlin, Walser, Stefan, Podlesnic, Verena, Isaza-Monsalve, Mariano, Mattivi, Elyas, Mu, Guanqun, Nardi, René, Gniewek, Piotr, Tomza, Michał, Furey, Brandon J., Schindler, Philipp
Publikováno v:
J. Chem. Phys. 161, 044304 (2024)
Molecular ions that are generated by chemical reactions with trapped atomic ions can serve as an accessible testbed for developing molecular quantum technologies. On the other hand, they are also a hindrance to scaling up quantum computers based on a
Externí odkaz:
http://arxiv.org/abs/2401.10854
Autor:
M. O. Andreae, A. Afchine, R. Albrecht, B. A. Holanda, P. Artaxo, H. M. J. Barbosa, S. Borrmann, M. A. Cecchini, A. Costa, M. Dollner, D. Fütterer, E. Järvinen, T. Jurkat, T. Klimach, T. Konemann, C. Knote, M. Krämer, T. Krisna, L. A. T. Machado, S. Mertes, A. Minikin, C. Pöhlker, M. L. Pöhlker, U. Pöschl, D. Rosenfeld, D. Sauer, H. Schlager, M. Schnaiter, J. Schneider, C. Schulz, A. Spanu, V. B. Sperling, C. Voigt, A. Walser, J. Wang, B. Weinzierl, M. Wendisch, H. Ziereis
Publikováno v:
Atmospheric Chemistry and Physics, Vol 18, Pp 921-961 (2018)
Airborne observations over the Amazon Basin showed high aerosol particle concentrations in the upper troposphere (UT) between 8 and 15 km altitude, with number densities (normalized to standard temperature and pressure) often exceeding those in th
Externí odkaz:
https://doaj.org/article/925c269108fd46579c04271875f58099