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Theoretical Analysis of the Temperature Variations and the Krassovsky Ratio for Long Period Gravity Waves

KARIYAWASAM, THARANGA MANOHARI
http://rave.ohiolink.edu/etdc/view?acc_num=ucin1212176032

Abstract Details

2008, PhD, University of Cincinnati, Arts and Sciences : Physics.
Based on the assumption that they are caused by atmospheric gravity waves rather than atmospheric tides, this study aims at developing a theoretical analysis of the long period (~ 8 hour) fluctuations of both the Meinel OH band intensity and the rotational temperature. Eddy thermal conduction and eddy viscosity is included in the calculation. In addition, to account for the very long periods (approximately 8 hour), Coriolis force due to earths rotation will also be taken into account by employing the 'shallow atmosphere' approximation. The current theoretical analysis differ from the prior models in that it will include the Coriolis force and the model will deal with very long periods, and in addition the height varying background wind is also included in the discussion. Long period fluctuations in the airglow have been measured in many recent experimental observations (Taylor M.J., Gardner L.C., Pendleton W.R., Adv. Space Res., 2001). The Krassovsky ratio which determines the efficiency of producing an intensity fluctuation for a given temperature fluctuation, and also the phase difference between the intensity and temperature fluctuation will also be calculated based on the gravity wave assumption.
Tai-Fu Tuan (Advisor)
Paul Esposito (Committee Member)
Serota Rostislav (Committee Member)
Rohana Wijewardhana (Committee Member)
119 p.
Physics
Gravity waves; Krassovsky ratio

Recommended Citations

Citations

  • KARIYAWASAM, T. M. (2008). Theoretical Analysis of the Temperature Variations and the Krassovsky Ratio for Long Period Gravity Waves [Doctoral dissertation, University of Cincinnati]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1212176032

    APA Style (7th edition)

  • KARIYAWASAM, THARANGA. Theoretical Analysis of the Temperature Variations and the Krassovsky Ratio for Long Period Gravity Waves. 2008. University of Cincinnati, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=ucin1212176032.

    MLA Style (8th edition)

  • KARIYAWASAM, THARANGA. "Theoretical Analysis of the Temperature Variations and the Krassovsky Ratio for Long Period Gravity Waves." Doctoral dissertation, University of Cincinnati, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1212176032

    Chicago Manual of Style (17th edition)

ucin1212176032
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© 2008, all rights reserved.
This open access ETD is published by University of Cincinnati and OhioLINK.