Physics
Scientific paper
Jan 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003jastp..65..121t&link_type=abstract
Journal of Atmospheric and Solar-Terrestrial Physics, Volume 65, Issue 1, p. 121-128.
Physics
3
Scientific paper
Out of the two source regions of O (1S) green line 557.7nm emission namely the one in the lower thermosphere and the other in the upper thermosphere, the upper thermospheric source is known to contribute only 15-20% of the total 557.7nm volume emission during nighttime. On the other hand, successful, simultaneous ground based measurements of daytime 557.7nm O (1S) and 630.0nm O (1D) thermospheric emissions with the multiwavelength daytime photometer (MWDPM) reveal striking similarities in their variabilities, the inference being the dominance of thermospheric contribution in 557.7nm O (1S) emission throughout the day, in conformity with the space borne measurements made else where. The first set of ground-based measurements are presented and discussed.
Chakrabarty Deepto
Modi N. K.
Narayanan Rajamani
Sridharan Ramaswamy
Taori Alok
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