Taori, Alok ; Sridharan, R. ; Chakrabarty, D. ; Modi, N. K. ; Narayanan, R. (2003) Significant upper thermospheric contribution to the O (1S) 557.7nm dayglow emission: first ground based evidence Journal of Atmospheric and Solar-Terrestrial Physics, 65 (1). pp. 121-128. ISSN 1364-6826
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/S1364-6826(02)00289-4
Abstract
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.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Dayglow; 557.7 nm Green Line Emission; Mesosphere–Thermosphere Dynamics |
| ID Code: | 97366 |
| Deposited On: | 19 Feb 2013 11:34 |
| Last Modified: | 19 Feb 2013 11:34 |
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