Abstract

The abundance of CH4 in the earth’s atmosphere was determined by assuming an effective temperature for the atmosphere of 250°K. The lines R(0) and P(2) of the 2ν3 band were used since they are sensibly single and are easily broadened so that the total integrated intensity can be determined. The result of 1.11±0.16 cm·atm (NTP) is in good agreement with previously published results obtained by using less realistic effective temperatures.

© 1964 Optical Society of America

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References

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  1. M. Migeotte, Phys. Rev. 73, 519 (1948); Phys. Rev. 74, 112 (1948); Astrophys. J. 107, 400 (1948).
    [Crossref]
  2. R. R. McMath, O. C. Mohler, and L. G. Goldberg, Phys. Rev. 73, 1203 (1948); Astrophys. J. 109, 17 (1949).
    [Crossref]
  3. R. R. McMath and L. Goldberg, Proc. Am. Phil. Soc. 93, 362 (1949).
  4. L. Goldberg, Astrophys. J. 113, 567 (1951).
    [Crossref]
  5. A. H. Nielsen and M. Migeotte, Ann. Astrophys. 15, 134 (1962).
  6. R. L. Bowman and J. H. Shaw, Appl. Opt. 2, 176 (1963).
    [Crossref]
  7. D. H. Rank, D. P. Eastman, George Skorinko, and T. A. Wiggins, J. Mol. Spectry. 5, 78 (1960).
    [Crossref]
  8. D. H. Rank, A. F. Slomba, E. F. Gardner, and T. A. Wiggins, J. Opt. Soc. Am. 52, 858 (1962).
    [Crossref]
  9. D. H. Rank, D. P. Eastman, W. B. Birtley, George Skorinko, and T. A. Wiggins, J. Opt. Soc. Am. 50, 821 (1960).
    [Crossref]
  10. G. Herzberg, Infrared and Raman Spectra of Polyatomic Molecules (D. Van Nostrand Company, Inc., New York, 1951), p. 506.

1963 (1)

1962 (2)

1960 (2)

D. H. Rank, D. P. Eastman, W. B. Birtley, George Skorinko, and T. A. Wiggins, J. Opt. Soc. Am. 50, 821 (1960).
[Crossref]

D. H. Rank, D. P. Eastman, George Skorinko, and T. A. Wiggins, J. Mol. Spectry. 5, 78 (1960).
[Crossref]

1951 (1)

L. Goldberg, Astrophys. J. 113, 567 (1951).
[Crossref]

1949 (1)

R. R. McMath and L. Goldberg, Proc. Am. Phil. Soc. 93, 362 (1949).

1948 (2)

M. Migeotte, Phys. Rev. 73, 519 (1948); Phys. Rev. 74, 112 (1948); Astrophys. J. 107, 400 (1948).
[Crossref]

R. R. McMath, O. C. Mohler, and L. G. Goldberg, Phys. Rev. 73, 1203 (1948); Astrophys. J. 109, 17 (1949).
[Crossref]

Birtley, W. B.

Bowman, R. L.

Eastman, D. P.

D. H. Rank, D. P. Eastman, George Skorinko, and T. A. Wiggins, J. Mol. Spectry. 5, 78 (1960).
[Crossref]

D. H. Rank, D. P. Eastman, W. B. Birtley, George Skorinko, and T. A. Wiggins, J. Opt. Soc. Am. 50, 821 (1960).
[Crossref]

Gardner, E. F.

Goldberg, L.

L. Goldberg, Astrophys. J. 113, 567 (1951).
[Crossref]

R. R. McMath and L. Goldberg, Proc. Am. Phil. Soc. 93, 362 (1949).

Goldberg, L. G.

R. R. McMath, O. C. Mohler, and L. G. Goldberg, Phys. Rev. 73, 1203 (1948); Astrophys. J. 109, 17 (1949).
[Crossref]

Herzberg, G.

G. Herzberg, Infrared and Raman Spectra of Polyatomic Molecules (D. Van Nostrand Company, Inc., New York, 1951), p. 506.

McMath, R. R.

R. R. McMath and L. Goldberg, Proc. Am. Phil. Soc. 93, 362 (1949).

R. R. McMath, O. C. Mohler, and L. G. Goldberg, Phys. Rev. 73, 1203 (1948); Astrophys. J. 109, 17 (1949).
[Crossref]

Migeotte, M.

A. H. Nielsen and M. Migeotte, Ann. Astrophys. 15, 134 (1962).

M. Migeotte, Phys. Rev. 73, 519 (1948); Phys. Rev. 74, 112 (1948); Astrophys. J. 107, 400 (1948).
[Crossref]

Mohler, O. C.

R. R. McMath, O. C. Mohler, and L. G. Goldberg, Phys. Rev. 73, 1203 (1948); Astrophys. J. 109, 17 (1949).
[Crossref]

Nielsen, A. H.

A. H. Nielsen and M. Migeotte, Ann. Astrophys. 15, 134 (1962).

Rank, D. H.

Shaw, J. H.

Skorinko, George

D. H. Rank, D. P. Eastman, George Skorinko, and T. A. Wiggins, J. Mol. Spectry. 5, 78 (1960).
[Crossref]

D. H. Rank, D. P. Eastman, W. B. Birtley, George Skorinko, and T. A. Wiggins, J. Opt. Soc. Am. 50, 821 (1960).
[Crossref]

Slomba, A. F.

Wiggins, T. A.

Ann. Astrophys. (1)

A. H. Nielsen and M. Migeotte, Ann. Astrophys. 15, 134 (1962).

Appl. Opt. (1)

Astrophys. J. (1)

L. Goldberg, Astrophys. J. 113, 567 (1951).
[Crossref]

J. Mol. Spectry. (1)

D. H. Rank, D. P. Eastman, George Skorinko, and T. A. Wiggins, J. Mol. Spectry. 5, 78 (1960).
[Crossref]

J. Opt. Soc. Am. (2)

Phys. Rev. (2)

M. Migeotte, Phys. Rev. 73, 519 (1948); Phys. Rev. 74, 112 (1948); Astrophys. J. 107, 400 (1948).
[Crossref]

R. R. McMath, O. C. Mohler, and L. G. Goldberg, Phys. Rev. 73, 1203 (1948); Astrophys. J. 109, 17 (1949).
[Crossref]

Proc. Am. Phil. Soc. (1)

R. R. McMath and L. Goldberg, Proc. Am. Phil. Soc. 93, 362 (1949).

Other (1)

G. Herzberg, Infrared and Raman Spectra of Polyatomic Molecules (D. Van Nostrand Company, Inc., New York, 1951), p. 506.

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Figures (1)

Fig. 1
Fig. 1

Curve of growth of integrated absorptance vs zenith angle.

Tables (2)

Tables Icon

Table I Abundance determinations of methane in the atmosphere.

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Table II Results of CH4 abundance determination.

Equations (2)

Equations on this page are rendered with MathJax. Learn more.

A = 1 p L ln I 0 I d ν .
A l A a = exp ( - E J / k T l ) Q r ( T l ) / exp ( - E J / k T a ) Q r ( T a ) = ( T a T l ) 3 2 exp [ ( E J / k ) ( 1 T a - 1 T l ) ] ,