Zobrazeno 1 - 10
of 3 375
pro vyhledávání: '"I. Steinke"'
Publikováno v:
Atmospheric Measurement Techniques, Vol 17, Pp 899-919 (2024)
The open-source Video In Situ Snowfall Sensor (VISSS) is introduced as a novel instrument for the characterization of particle shape and size in snowfall. The VISSS consists of two cameras with LED backlights and telecentric lenses that allow accurat
Externí odkaz:
https://doaj.org/article/0c2cd944cb9e409c8f808acfe0de8e97
Publikováno v:
Atmospheric Chemistry and Physics, Vol 22, Pp 847-859 (2022)
We present a framework for estimating concentrations of episodically elevated high-temperature marine ice nucleating particles (INPs) in the sea surface microlayer and their subsequent emission into the atmospheric boundary layer. These episodic INPs
Externí odkaz:
https://doaj.org/article/bd302721f3ba4923901ba2ce573722de
Laboratory and field studies of ice-nucleating particles from open-lot livestock facilities in Texas
Autor:
N. Hiranuma, B. W. Auvermann, F. Belosi, J. Bush, K. M. Cory, D. G. Georgakopoulos, K. Höhler, Y. Hou, L. Lacher, H. Saathoff, G. Santachiara, X. Shen, I. Steinke, R. Ullrich, N. S. Umo, H. S. K. Vepuri, F. Vogel, O. Möhler
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 14215-14234 (2021)
In this work, an abundance of ice-nucleating particles (INPs) from livestock facilities was studied through laboratory measurements from cloud-simulation chamber experiments and field investigation in the Texas Panhandle. Surface materials from two l
Externí odkaz:
https://doaj.org/article/5227413c414542bcba346cdb43b40c8b
Autor:
J. Schneider, K. Höhler, R. Wagner, H. Saathoff, M. Schnaiter, T. Schorr, I. Steinke, S. Benz, M. Baumgartner, C. Rolf, M. Krämer, T. Leisner, O. Möhler
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 14403-14425 (2021)
Homogeneous freezing of aqueous solution aerosol particles is an important process for cloud ice formation in the upper troposphere. There the air temperature is low, the ice supersaturation can be high and the concentration of ice-nucleating particl
Externí odkaz:
https://doaj.org/article/737b963fe8164722b6a68367f7ad02fb
Autor:
I. Steinke, N. Hiranuma, R. Funk, K. Höhler, N. Tüllmann, N. S. Umo, P. G. Weidler, O. Möhler, T. Leisner
Publikováno v:
Atmospheric Chemistry and Physics, Vol 20, Pp 11387-11397 (2020)
Quantifying the impact of complex organic particles on the formation of ice crystals in clouds remains challenging, mostly due to the vast number of different sources ranging from sea spray to agricultural areas. In particular, there are many open qu
Externí odkaz:
https://doaj.org/article/05c3fff32c754739807678841bc889df
Akademický článek
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Publikováno v:
Atmospheric Chemistry and Physics, Vol 16, Pp 2025-2042 (2016)
In spite of the resurgence in ice nucleation research a comparatively small number of studies deal with the phenomenon of pre-activation in heterogeneous ice nucleation. Fifty years ago, it was shown that various mineral dust and volcanic ash part
Externí odkaz:
https://doaj.org/article/219c784ec8fc44bb8c9f959f60880318
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 7, Pp 3703-3717 (2015)
Deposition nucleation experiments with Arizona Test Dust (ATD) as a surrogate for mineral dusts were conducted at the AIDA cloud chamber at temperatures between 220 and 250 K. The influence of the aerosol size distribution and the cooling rate on
Externí odkaz:
https://doaj.org/article/74b7c3ff4d58416e90d9c4b0c29147cd
Autor:
H. Wex, S. Augustin-Bauditz, Y. Boose, C. Budke, J. Curtius, K. Diehl, A. Dreyer, F. Frank, S. Hartmann, N. Hiranuma, E. Jantsch, Z. A. Kanji, A. Kiselev, T. Koop, O. Möhler, D. Niedermeier, B. Nillius, M. Rösch, D. Rose, C. Schmidt, I. Steinke, F. Stratmann
Publikováno v:
Atmospheric Chemistry and Physics, Vol 15, Iss 3, Pp 1463-1485 (2015)
Seven different instruments and measurement methods were used to examine the immersion freezing of bacterial ice nuclei from Snomax® (hereafter Snomax), a product containing ice-active protein complexes from non-viable Pseudomonas syringae bacteria.
Externí odkaz:
https://doaj.org/article/28f304d3ab16480fbb598e57d98f5737
Autor:
N. Hiranuma, M. Paukert, I. Steinke, K. Zhang, G. Kulkarni, C. Hoose, M. Schnaiter, H. Saathoff, O. Möhler
Publikováno v:
Atmospheric Chemistry and Physics, Vol 14, Iss 23, Pp 13145-13158 (2014)
A new heterogeneous ice nucleation parameterization that covers a wide temperature range (−36 to −78 °C) is presented. Developing and testing such an ice nucleation parameterization, which is constrained through identical experimental conditions
Externí odkaz:
https://doaj.org/article/7e2e66e76ab74f839ba51c86657cfd49