Abstract
The twilight sky is usually characterized by the well-known
reddish/orange colors close to the horizon and the blue colors above.
However, in many cases, a green or greenish band forms between the
blue and reddish parts of the sky, and it is essentially not
documented in the literature. In this study, the green band phenomenon
is simulated using the radiative transfer model SCIATRAN and
subsequent color modeling based on the CIE color matching functions
and chromaticity values. Different parameters and processes that have
a potential influence are investigated. In addition, a possible
contribution by airglow emissions is discussed. The simulations show
that it requires just the right intensities in the blue, green, and
long-wave spectral regions to produce a green color. The total ozone
column has the comparatively largest influence. This study is, to the
best of our knowledge, the first detailed investigation of the green
band phenomenon.
Funder
Deutsche
Forschungsgemeinschaft
Subject
Atomic and Molecular Physics, and Optics,Engineering (miscellaneous),Electrical and Electronic Engineering
Cited by
2 articles.
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