Thermal structure and gravity waves in the Antarctic middle atmosphere observed by lidar

Bernd Kaifler

doi:10.18453/rosdok_id00001352

Bernd Kaifler

Thermal structure and gravity waves in the Antarctic middle atmosphere observed by lidar

Universität Rostock, 2014

https://doi.org/10.18453/rosdok_id00001352

Abstract: The IAP iron Doppler lidar has been operated at the Antarctic station Davis (69°S, 78°E) between December 2010 and December 2012. Seasonal variations in the thermal structure above Davis are studied and wave-induced temperature perturbations are analyzed on different time scales. Gravity wave potential energy densities (GWPED) are computed from stratospheric and mesospheric lidar observations and compared to a simple gravity wave model. It is shown that observed seasonal variations in GWPED are caused by selective filtering of zonally propagating gravity waves.

Dissertation Freier Zugang

Titel:

Thermal structure and gravity waves in the Antarctic middle atmosphere observed by lidar

Weitere Titel:

Lidar-Messungen der thermischen Struktur und Untersuchung von Schwerewellen in der antarktischen mittleren Atmosphäre [übersetzt]

Beteiligte Personen:

Bernd Kaifler[VerfasserIn]
	142386383
Franz-Josef Lübken , Prof. Dr.[AkademischeR BetreuerIn]
	140754695
	Universität Rostock, Leibniz-Institut für Atmosphärenphysik
Ulf-Peter Hoppe , Prof. Dr.[AkademischeR BetreuerIn]
	Universität Tromsø, Fakultät für Naturwissenschaft und Technologie

Beteiligte Körperschaften:

Universität Rostock, Mathematisch-Naturwissenschaftliche Fakultät[Grad-verleihende Institution]
	2147083-2

Zusammenfassung:

The IAP iron Doppler lidar has been operated at the Antarctic station Davis (69°S, 78°E) between December 2010 and December 2012. Seasonal variations in the thermal structure above Davis are studied and wave-induced temperature perturbations are analyzed on different time scales. Gravity wave potential energy densities (GWPED) are computed from stratospheric and mesospheric lidar observations and compared to a simple gravity wave model. It is shown that observed seasonal variations in GWPED are caused by selective filtering of zonally propagating gravity waves. [Englisch]

Dokumenttyp:

Dissertation

Einrichtung:

Mathematisch-Naturwissenschaftliche Fakultät

Sprache:

Englisch

Sachgruppe der DNB:

530 Physik

Veröffentlichung /
Entstehung:

Rostock

Rostock: Universität Rostock

2014