A Time-Dependent Two-Dimensional-Model Study of the Trend in Atmospheric Methane

1993 ◽  
pp. 98-112 ◽  
Author(s):  
S.-M. Fan ◽  
J. M. Rodriguez ◽  
M. K. W. Ko ◽  
N. D. Sze
Keyword(s):  
Time Dependent ◽  
Two Dimensional ◽  
Atmospheric Methane ◽  
Dimensional Model ◽  
Model Study ◽  
Two Dimensional Model

Model study of explosion-generated Rayleigh waves in a half space

1964 ◽  
Vol 54 (2) ◽  
pp. 475-484
Author(s):  
I. N. Gupta ◽  
C. Kisslinger
Keyword(s):  
Rayleigh Wave ◽  
Half Space ◽  
Rayleigh Waves ◽  
Radial Component ◽  
Two Dimensional ◽  
Source Depth ◽  
Dimensional Model ◽  
Retrograde Motion ◽  
Model Study ◽  
Two Dimensional Model

ABSTRACT The Rayleigh waves generated by an explosion on or in the interior of a two-dimensional model show that the source acts as a downward impulse when the shot is on or just below the surface, and as a buried source of compression for deeper shots. The seismograms are in agreement with established theory for the line source on or in a half-space. The source depth corresponding to the reversal of polarity of the Rayleigh wave is small, and appears to be equal to the radius of the zone of inelastic failure around the shot. The polarity reversal is a true indication of a change in the mechanism of Rayleigh wave generation, and is not related to the change from retrograde motion at the free surface to prograde motion in the interior associated with the change in sign of the radial component at depth.

Thermal structure of the Venus ionosphere: A two-dimensional model study

1986 ◽  
Vol 13 (1) ◽  
pp. 10-13 ◽  
Author(s):  
R. C. Whitten ◽  
R. P. Singhal ◽  
W. C. Knudsen
Keyword(s):  
Thermal Structure ◽  
Two Dimensional ◽  
Dimensional Model ◽  
Model Study ◽  
Two Dimensional Model

Implications of smaller concentrations of stratospheric OH: A two-dimensional model study of ozone perturbations

1981 ◽  
Vol 15 (9) ◽  
pp. 1583-1589 ◽  
Author(s):  
R.C. Whitten ◽  
W.J. Borucki ◽  
H.T. Woodward ◽  
L.A. Capone ◽  
C.A. Riegel ◽  
...  
Keyword(s):  
Two Dimensional ◽  
Dimensional Model ◽  
Model Study ◽  
Two Dimensional Model
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