scholarly journals A scalar three-dimensional spectral model with variable anisotropy

1997 ◽  
Vol 102 (D16) ◽  
pp. 19449-19459 ◽  
Author(s):  
Francis Dalaudier ◽  
Alexandre S. Gurvich
Keyword(s):  
Three Dimensional ◽  
Spectral Model ◽  
Variable Anisotropy

scholarly journals A Hough Spectral Model for Three-Dimensional Studies of the Middle Atmosphere

1999 ◽  
Vol 56 (11) ◽  
pp. 1461-1480 ◽  
Author(s):  
Patrick Callaghan ◽  
Andrew Fusco ◽  
Gene Francis ◽  
Murry Salby
Keyword(s):  
Middle Atmosphere ◽  
Three Dimensional ◽  
Spectral Model

The orbit of Pluto over a long interval of time

1966 ◽  
Vol 25 ◽  
pp. 227-229 ◽  
Author(s):  
D. Brouwer
Keyword(s):  
Periodic Orbit ◽  
Numerical Integration ◽  
Restricted Problem ◽  
Three Dimensional ◽  
The Third ◽  
Circular Restricted Problem ◽  
Resonance Relation

The paper presents a summary of the results obtained by C. J. Cohen and E. C. Hubbard, who established by numerical integration that a resonance relation exists between the orbits of Neptune and Pluto. The problem may be explored further by approximating the motion of Pluto by that of a particle with negligible mass in the three-dimensional (circular) restricted problem. The mass of Pluto and the eccentricity of Neptune's orbit are ignored in this approximation. Significant features of the problem appear to be the presence of two critical arguments and the possibility that the orbit may be related to a periodic orbit of the third kind.

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