SIMULATION OF THE INTENSITY AND POLARIZATION OF SKYLIGHT DURING TWILIGHT PERIOD

Wu Beiying; Lu Daren

doi:10.1007/BF02657342

Impact Factor: 5.8

Volume 5 Issue 1

Jan. 1988

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1988 > 5(1): 15-26

SIMULATION OF THE INTENSITY AND POLARIZATION OF SKYLIGHT DURING TWILIGHT PERIOD

1.
Institute of Atmospheric Physics, Academia Sinica, Beijing,Institute of Atmospheric Physics, Academia Sinica, Beijing

doi: 10.1007/BF02657342

Abstract
References
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Abstract:
Monte-Carlo method is applied to simulate the intensities and degrees of polarization in twilight sky after the eruption of the El Chichon volcano and during the 1977 volcanically quiet period, respectively. The results coincide well with the observations. It is found that the significance of multiple scattering is com-pletely different in these two periods; the background concentration of stratospheric aerosols has probably increased since the 1960s. It is necessary to study the cause of the increase and its impact on climate.
References

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Manuscript History

Manuscript received: 10 January 1988

Manuscript revised: 10 January 1988

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

SIMULATION OF THE INTENSITY AND POLARIZATION OF SKYLIGHT DURING TWILIGHT PERIOD

1. Institute of Atmospheric Physics, Academia Sinica, Beijing,Institute of Atmospheric Physics, Academia Sinica, Beijing

Manuscript received: 1988-01-10
Manuscript revised: 1988-01-10

Abstract: Monte-Carlo method is applied to simulate the intensities and degrees of polarization in twilight sky after the eruption of the El Chichon volcano and during the 1977 volcanically quiet period, respectively. The results coincide well with the observations. It is found that the significance of multiple scattering is com-pletely different in these two periods; the background concentration of stratospheric aerosols has probably increased since the 1960s. It is necessary to study the cause of the increase and its impact on climate.