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Earth, Planets and Space

Table 1 Diurnal and semidiurnal vertical wavelengths (km) from classical tidal theory based on a T = 260 km isothermal atmosphere

From: New perspectives on thermosphere tides: 1. Lower thermosphere spectra and seasonal-latitudinal structures

s

D1S

S1S

D1A

S1A

D2S

S2S

D2A

S2A

-3

56

-

30

91

*

56

*

44

-2

108

-

38

183

*

77

*

52

-1

-

-

53

-

*

118

*

65

0

27

-

102

-

*

87

*

56

1

28

-

*

128

*

67

*

48

2

27

-

*

82

*

54

*

41

3

25

105

*

62

*

45

*

36

4

*

72

*

50

*

39

*

32

5

*

56

*

43

*

35

*

29

6

*

46

*

37

*

31

*

27

  1. D1S, diurnal 1st symmetric; S1S, semidiurnal 1st symmetric; D1A, diurnal 1st antisymmetric and so on; *, <25 km; -, >200 km.
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