Radiative transfer with partial frequency redistribution in inhomogeneous atmospheres - Application to the Jovian aurora

Details Radiative transfer with partial frequency redistribution in inhomogeneous atmospheres - Application to the Jovian aurora Radiative transfer with partial frequency redistribution in inhomogeneous atmospheres - Application to the Jovian aurora

May 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jqsrt..27..545g&link_type=abstract

Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 27, May 1982, p. 545-556.

Computer Science

38

Atmospheric Composition, Auroras, Frequency Distribution, Jupiter Atmosphere, Radiative Transfer, Spectral Line Width, Distribution Functions, H Lines, Lyman Alpha Radiation, Monte Carlo Method, Rayleigh Scattering

Scientific paper

A direct finite difference numerical solution for the equation of radiative transfer by the Feautrier method is developed for use in planetary atmospheres. The procedure described here uses a plane-parallel atmosphere, and can treat partial frequency redistribution, inhomogeneity, external or internal sources, and various boundary conditions. Isotropic scattering is assumed, but in the case of no frequency redistribution, Rayleigh scattering can also be handled. A program utilizing this method is tested in a variety of situations against more powerful and elaborate methods. The case of the Lyman alpha aurora on Jupiter is then considered, where the effects of partial frequency redistribution are shown to be of great importance. New results for the detailed line profiles for Lyman alpha in the Jovian aurora are presented. The method is quite versatile, and should be especially useful in studying a wide range of problems related to auroral or dayglow emissions in planetary atmospheres.

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