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Titel |
Reaching the lower stratosphere: validating an extended vertical grid for COSMO |
VerfasserIn |
J. Eckstein, S. Schmitz, R. Ruhnke |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
1991-959X
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Digitales Dokument |
URL |
Erschienen |
In: Geoscientific Model Development ; 8, no. 6 ; Nr. 8, no. 6 (2015-06-23), S.1839-1855 |
Datensatznummer |
250116413
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Publikation (Nr.) |
copernicus.org/gmd-8-1839-2015.pdf |
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Zusammenfassung |
This study presents an extended vertical grid for the regional atmospheric
model COSMO (COnsortium for Small-scale MOdeling) reaching up to 33 km. The extended setup has been used
to stably simulate 11 months in a domain covering central and northern
Europe. Temperature and relative humidity have been validated using radiosonde data in polar and temperate latitudes, focussing on the polar and
mid-latitude stratosphere over Europe. Temperature values are reproduced very
well by the model. Relative humidity could only be met in the mean over the
whole time period after excluding data from Russian stations, which showed
significantly higher values. A sensitivity study shows the stability of the
model against different forcing intervals and damping layer heights. |
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