Upper Atmosphere Research - Selected Results from Measurements at Collm

Please also see Results on Christoph Jacobis Homepage and Meteor Radar results

December 2010
MLT response to the extreme solar minimum 23/24
February 2009
Change in MLT response to tropospheric circulation patterns in the 1990s
July 2008
Long-term comparison of monthly mean winds and tides from LF and MR
May 2008
Updated analysis of trends including the years 1979-2007
January 2008
Mean winds and semidiurnal tide from LF measurements 2007
June 2007
Summary of trends in LF-derived winds and temperatures and their changes
March 2007
An analysis of the quasi-two-day wave and its connection to wind shear over Collm
March 2007
A stepwise change  in mesospheric planetary wave activity around 1990
March 2006
Implementing the Warner&McIntyre gravity wave parameterisation scheme in COMMA-LIM: First results
March 2006
First results on concomitant wave acitivity in the neutral atmosphere and ionosphere
December 2005
Scale height estimates from 177 kHz LF heights compared with meteor radar temperatures
March 2005
Decadal variability of short-period wind fluctuations
March 2005 
Comparison of LF and Meteor radar winds
June 2004
New background climatology from 20-year mean profiles of wind parameters
June 2004
 A long-term analysis of sudden phase anomalies (in German)
December 2002
Very small semidiurnal tidal amplitudes during autumn 2002
April 2002  
Solar cycle and QBO in LF reflection heights (Presentation at the EGS 2002 Assembly)
December 2001
Modelling the decrease of the meridional prevailing wind and comparison with Collm results
July 2001 
Solar cycle dependece of spring - summer zonal prevailing winds
March 2001
February 2001: the effect of the major stratospheric warming on the mesopause region circulaton over Collm
February 2001
The mesopause region wind field over Collm in 2000
 November 2000
Signal of the Southern Oscillation in Collm winds
November 2000
Comparison of winds calculated with and without height information
October 2000
September 2000: low LF reflection heights during solar maximum
September 2000
Summer 2000 quasi-two-day wave over Collm
January 2000
Gravity wave information from Collm LF D1 winds (PDF-File, 550 KByte)
September 1999
Summer 1999 quasi-two-day wave at Collm
September 1999
Ionospheric response to solar eclipse on August 11, 1999 (in German)

 


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