Abstract

Maximum infrared polarization signature of up to 1% is predicted in tropical subvisual cirrus involving randomly oriented ice crystals, based on radiative transfer calculations.

© 1992 Optical Society of America

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References

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  1. Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus cloud. Part I: Single-scattering and optical properties of hexagonal ice crystals,” J. Atmos. Sci. 46, 3–19 (1989).
    [CrossRef]
  2. Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus clouds. Part II. Theory and computation of multiple scattering in an anisotropic medium,” J. Atmos. Sci. 46, 20–36 (1989).
    [CrossRef]
  3. K. N. Liou, Y. Takano, S. C. Ou, A. J. Heymsfield, W. Kreiss, “Infrared transmission through cirrus clouds: A radiative model for target detection,” Appl. Opt. 29, 1886–1896 (1990).
    [CrossRef] [PubMed]
  4. S. Warren, “Optical constants of ice from the ultraviolet to the microwave,” Appl. Opt. 23, 1206–1225 (1984).
    [CrossRef] [PubMed]
  5. K. N. Liou, “On the radiative properties of cirrus in the window region and their influence on remote sensing of the atmosphere,” J. Atmos. Sci. 31, 522–532 (1974).
    [CrossRef]
  6. K. N. Liou, An Introduction to Atmospheric Radiation (Academic, New York, 1980), Chap. 3, p. 81.

1990 (1)

1989 (2)

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus cloud. Part I: Single-scattering and optical properties of hexagonal ice crystals,” J. Atmos. Sci. 46, 3–19 (1989).
[CrossRef]

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus clouds. Part II. Theory and computation of multiple scattering in an anisotropic medium,” J. Atmos. Sci. 46, 20–36 (1989).
[CrossRef]

1984 (1)

1974 (1)

K. N. Liou, “On the radiative properties of cirrus in the window region and their influence on remote sensing of the atmosphere,” J. Atmos. Sci. 31, 522–532 (1974).
[CrossRef]

Heymsfield, A. J.

Kreiss, W.

Liou, K. N.

K. N. Liou, Y. Takano, S. C. Ou, A. J. Heymsfield, W. Kreiss, “Infrared transmission through cirrus clouds: A radiative model for target detection,” Appl. Opt. 29, 1886–1896 (1990).
[CrossRef] [PubMed]

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus cloud. Part I: Single-scattering and optical properties of hexagonal ice crystals,” J. Atmos. Sci. 46, 3–19 (1989).
[CrossRef]

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus clouds. Part II. Theory and computation of multiple scattering in an anisotropic medium,” J. Atmos. Sci. 46, 20–36 (1989).
[CrossRef]

K. N. Liou, “On the radiative properties of cirrus in the window region and their influence on remote sensing of the atmosphere,” J. Atmos. Sci. 31, 522–532 (1974).
[CrossRef]

K. N. Liou, An Introduction to Atmospheric Radiation (Academic, New York, 1980), Chap. 3, p. 81.

Ou, S. C.

Takano, Y.

K. N. Liou, Y. Takano, S. C. Ou, A. J. Heymsfield, W. Kreiss, “Infrared transmission through cirrus clouds: A radiative model for target detection,” Appl. Opt. 29, 1886–1896 (1990).
[CrossRef] [PubMed]

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus clouds. Part II. Theory and computation of multiple scattering in an anisotropic medium,” J. Atmos. Sci. 46, 20–36 (1989).
[CrossRef]

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus cloud. Part I: Single-scattering and optical properties of hexagonal ice crystals,” J. Atmos. Sci. 46, 3–19 (1989).
[CrossRef]

Warren, S.

Appl. Opt. (2)

J. Atmos. Sci. (3)

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus cloud. Part I: Single-scattering and optical properties of hexagonal ice crystals,” J. Atmos. Sci. 46, 3–19 (1989).
[CrossRef]

Y. Takano, K. N. Liou, “Solar radiative transfer in cirrus clouds. Part II. Theory and computation of multiple scattering in an anisotropic medium,” J. Atmos. Sci. 46, 20–36 (1989).
[CrossRef]

K. N. Liou, “On the radiative properties of cirrus in the window region and their influence on remote sensing of the atmosphere,” J. Atmos. Sci. 31, 522–532 (1974).
[CrossRef]

Other (1)

K. N. Liou, An Introduction to Atmospheric Radiation (Academic, New York, 1980), Chap. 3, p. 81.

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Figures (3)

Fig. 1
Fig. 1

(a) Scattering phase function and (b) degree of linear polarization for randomly oriented hexagonal ice crystals of L/2a = 120/60 (μm/μm) and the area equivalent Mie spheres at λ = 10 μm.

Fig. 2
Fig. 2

Radiances as a function of zenith/nadir angles on the boundaries of cirrus clouds in the three atmospheric profiles in the cases of (a),(b) τc = 1 and (c), (d) τc = 4.

Fig. 3
Fig. 3

Degree of linear polarization as a function of zenith/nadir angles on the boundaries of cirrus clouds in the three atmospheric profiles in the cases of (a), (b) τc = 1 and (c), (d) τc = 4.

Tables (1)

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Table I Cloud and Surface Temperature and Cloud Heights for Three Atmospheric Profiles

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