Details
| Originalsprache | Englisch |
|---|---|
| Seiten (von - bis) | 7083-7109 |
| Seitenumfang | 27 |
| Fachzeitschrift | Atmospheric chemistry and physics |
| Jahrgang | 17 |
| Ausgabenummer | 11 |
| Publikationsstatus | Veröffentlicht - 15 Juni 2017 |
Abstract
Large-eddy simulations (LESs) of a multi-week period during the HD(CP)2 (High-Definition Clouds and Precipitation for advancing Climate Prediction) Observational Prototype Experiment (HOPE) conducted in Germany are evaluated with respect to mean boundary layer quantities and turbulence statistics. Two LES models are used in a semi-idealized setup through forcing with mesoscale model output to account for the synoptic-scale conditions. Evaluation is performed based on the HOPE observations. The mean boundary layer characteristics like the boundary layer depth are in a principal agreement with observations. Simulating shallow-cumulus layers in agreement with the measurements poses a challenge for both LES models. Variance profiles agree satisfactorily with lidar measurements. The results depend on how the forcing data stemming from mesoscale model output are constructed. The mean boundary layer characteristics become less sensitive if the averaging domain for the forcing is large enough to filter out mesoscale fluctuations.
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in: Atmospheric chemistry and physics, Jahrgang 17, Nr. 11, 15.06.2017, S. 7083-7109.
Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review
}
TY - JOUR
T1 - Evaluation of large-eddy simulations forced with mesoscale model output for a multi-week period during a measurement campaign
AU - Heinze, Rieke
AU - Moseley, Christopher
AU - Böske, Lennart Nils
AU - Muppa, Shravan Kumar
AU - Maurer, Vera
AU - Raasch, Siegfried
AU - Stevens, Bjorn
N1 - Publisher Copyright: © Author(s) 2017. Copyright: Copyright 2017 Elsevier B.V., All rights reserved.
PY - 2017/6/15
Y1 - 2017/6/15
N2 - Large-eddy simulations (LESs) of a multi-week period during the HD(CP)2 (High-Definition Clouds and Precipitation for advancing Climate Prediction) Observational Prototype Experiment (HOPE) conducted in Germany are evaluated with respect to mean boundary layer quantities and turbulence statistics. Two LES models are used in a semi-idealized setup through forcing with mesoscale model output to account for the synoptic-scale conditions. Evaluation is performed based on the HOPE observations. The mean boundary layer characteristics like the boundary layer depth are in a principal agreement with observations. Simulating shallow-cumulus layers in agreement with the measurements poses a challenge for both LES models. Variance profiles agree satisfactorily with lidar measurements. The results depend on how the forcing data stemming from mesoscale model output are constructed. The mean boundary layer characteristics become less sensitive if the averaging domain for the forcing is large enough to filter out mesoscale fluctuations.
AB - Large-eddy simulations (LESs) of a multi-week period during the HD(CP)2 (High-Definition Clouds and Precipitation for advancing Climate Prediction) Observational Prototype Experiment (HOPE) conducted in Germany are evaluated with respect to mean boundary layer quantities and turbulence statistics. Two LES models are used in a semi-idealized setup through forcing with mesoscale model output to account for the synoptic-scale conditions. Evaluation is performed based on the HOPE observations. The mean boundary layer characteristics like the boundary layer depth are in a principal agreement with observations. Simulating shallow-cumulus layers in agreement with the measurements poses a challenge for both LES models. Variance profiles agree satisfactorily with lidar measurements. The results depend on how the forcing data stemming from mesoscale model output are constructed. The mean boundary layer characteristics become less sensitive if the averaging domain for the forcing is large enough to filter out mesoscale fluctuations.
UR - http://www.scopus.com/inward/record.url?scp=85020864742&partnerID=8YFLogxK
U2 - 10.5194/acp-17-7083-2017
DO - 10.5194/acp-17-7083-2017
M3 - Article
AN - SCOPUS:85020864742
VL - 17
SP - 7083
EP - 7109
JO - Atmospheric chemistry and physics
JF - Atmospheric chemistry and physics
SN - 1680-7316
IS - 11
ER -