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Lecture 21

The following demonstrations are graphic representations of concepts discussed in the lecture notes (PDF).

Page 1: Internal Gravity Waves

Page 2: Free Gravity Wave Properties

  • k=2,m=1,cp=0.4,cg=0.089,-0.18 (GIF)
  • k=1,m=2,cp=0.2,cg=0.36,-0.18 (GIF)
  • k=2,m=2,cp=0.25,cg=0.18,-0.18 (GIF)

Page 4: Lee Waves

Short Scales

  • Uk/N=1.01 (PNG)
  • Uk/N=1.1 (PNG)
  • Uk/N=1.5 (PNG)
  • Uk/N=2 (PNG)

Long Scales

  • Uk/N=0.99 (PNG)
  • Uk/N=0.9 (PNG)
  • Uk/N=0.8 (PNG)
  • Uk/N=0.7 (PNG)

Froude Number

Convective Instability

Critical Levels

  • Linear solution (PNG)