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Gravity waves over the eastern Alps: A synopsis of the 25 October 1999 event (IOP 10) combining in-situ and remote sensing measurements with a high-resolution simulation

Volkert, Hans und Keil, Christain und Kiemle, Christoph und Poberaj, Gorazd und Chaboureau, Jean-Pierre und Richard, Evalyne (2003) Gravity waves over the eastern Alps: A synopsis of the 25 October 1999 event (IOP 10) combining in-situ and remote sensing measurements with a high-resolution simulation. Quarterly Journal of the Royal Meteorological Society, 129, Seiten 777-797. DOI: 10.1256/qj.02.45. ISSN 0035-9009.

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Offizielle URL: http://onlinelibrary.wiley.com/doi/10.1256/qj.02.45/pdf

Kurzfassung

In situ and lidar data acquired during six repetitive flight legs across Grossglockner (3797 m, highest summit of the eastern Alps) reveal a coherent structure of the mountain-wave field generated by a south-westerly cross-Alpine flow on 25 October 1999 during Intensive Observing Period (IOP) 10 of the Mesoscale Alpine Programme (MAP). The downward-looking laser system sampling at 100 Hz provides distinct wave-induced signatures in the layered clouds below the cruising altitude of about 11 km. Data obtained from three sondes dropped from the aircraft hint at mid-tropospheric wave breaking in the lee of the main Alpine crest. The measurements are juxtaposed with results from a nested, non-hydrostatic simulation (2 km horizontal resolution for the finest grid). Wave-cloud signatures in satellite images (from Meteosat and the National Oceanic and Atmospheric Administration satellites) are used for comparisons with the simulation in a region away from the aircraft track. Sensitivity experiments reveal the regular wave response to be induced by the background profile and re-enforced by the suitably spaced terrain

Dokumentart:Zeitschriftenbeitrag
Zusätzliche Informationen:LIDO-Berichtsjahr=2003,
Titel:Gravity waves over the eastern Alps: A synopsis of the 25 October 1999 event (IOP 10) combining in-situ and remote sensing measurements with a high-resolution simulation
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Volkert, HansDLR, IPA
Keil, ChristainDLR, IPA
Kiemle, ChristophDLR, IPA
Poberaj, GorazdDLR, IPA
Chaboureau, Jean-PierreCNRS and Univ. Paul Sabatier, Toulouse, F
Richard, EvalyneCNRS and Univ. Paul Sabatier, Toulouse, F
Datum:2003
Erschienen in:Quarterly Journal of the Royal Meteorological Society
Referierte Publikation:Ja
In Open Access:Nein
In SCOPUS:Ja
In ISI Web of Science:Ja
Band:129
DOI :10.1256/qj.02.45
Seitenbereich:Seiten 777-797
ISSN:0035-9009
Status:veröffentlicht
Stichwörter:airborne lidar, foehn, MAP, mountain waves
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):W - Vorhaben Atmosphären- und Klimaforschung (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Physik der Atmosphäre > Wolkenphysik und Verkehrsmeteorologie
Hinterlegt von: Ute Löb
Hinterlegt am:15 Jan 2008
Letzte Änderung:05 Aug 2014 18:39

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