Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 1-5 |
| Seitenumfang | 5 |
| Fachzeitschrift | Geophysical research letters |
| Jahrgang | 32 |
| Ausgabenummer | 14 |
| Frühes Online-Datum | 20 Juli 2005 |
| Publikationsstatus | Veröffentlicht - 28 Juli 2005 |
Abstract
A large eddy simulation (LES) of a cold air outbreak along with organized convection is presented. The computational grid was chosen to be fine enough to explicitly resolve small scale unorganized turbulence, while the size of the model domain was large enough to include the evolution of large scale organized convection. For the first time such an LES was performed with a stationary model domain, being one of the most extensive LES in meteorology so far. During the simulation, convective rolls were formed which showed typical characteristics as observed in nature, such as significantly increasing aspect ratios with increasing distance from the ice edge and orientation of the roll axes in direction of the mean wind shear vector.
ASJC Scopus Sachgebiete
- Erdkunde und Planetologie (insg.)
- Geophysik
- Erdkunde und Planetologie (insg.)
- Allgemeine Erdkunde und Planetologie
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in: Geophysical research letters, Jahrgang 32, Nr. 14, 28.07.2005, S. 1-5.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Roll convection during a cold air outbreak
T2 - A large eddy simulation with stationary model domain
AU - Gryschka, M.
AU - Raasch, S.
N1 - Funding Information: M. Gryschka was supported in part through the German Science Foundation (DFG) under grant ET 8/12. We would like to thank Prof. Dr. D. Etling for his useful comments. All runs were performed on an IBM pSeries 690 supercomputer of the Norddeutscher Verbund fu ̈r Hoch- und Ho ̈chstleistungsrechnen (HLRN).
PY - 2005/7/28
Y1 - 2005/7/28
N2 - A large eddy simulation (LES) of a cold air outbreak along with organized convection is presented. The computational grid was chosen to be fine enough to explicitly resolve small scale unorganized turbulence, while the size of the model domain was large enough to include the evolution of large scale organized convection. For the first time such an LES was performed with a stationary model domain, being one of the most extensive LES in meteorology so far. During the simulation, convective rolls were formed which showed typical characteristics as observed in nature, such as significantly increasing aspect ratios with increasing distance from the ice edge and orientation of the roll axes in direction of the mean wind shear vector.
AB - A large eddy simulation (LES) of a cold air outbreak along with organized convection is presented. The computational grid was chosen to be fine enough to explicitly resolve small scale unorganized turbulence, while the size of the model domain was large enough to include the evolution of large scale organized convection. For the first time such an LES was performed with a stationary model domain, being one of the most extensive LES in meteorology so far. During the simulation, convective rolls were formed which showed typical characteristics as observed in nature, such as significantly increasing aspect ratios with increasing distance from the ice edge and orientation of the roll axes in direction of the mean wind shear vector.
UR - http://www.scopus.com/inward/record.url?scp=25444436748&partnerID=8YFLogxK
U2 - 10.1029/2005GL022872
DO - 10.1029/2005GL022872
M3 - Article
AN - SCOPUS:25444436748
VL - 32
SP - 1
EP - 5
JO - Geophysical research letters
JF - Geophysical research letters
SN - 0094-8276
IS - 14
ER -