Expand this Topic clickable element to expand a topic
Skip to content
Optica Publishing Group

Green icebergs and remote sensing

Not Accessible

Your library or personal account may give you access

Abstract

The curious phenomenon of green icebergs has fascinated polar travelers for centuries. Although translucent green icebergs might be caused by colorants, a recently obtained sample of a green iceberg contained little inherently green material. This fact, combined with the blue-green absorption minimum of pure, homogeneous ice, suggests that a sufficient (rather than necessary) condition for green icebergs may be reddened sunlight illuminating intrinsically blue-green ice. Lacking in situ spectral reflectances of green icebergs, we develop two remote-sensing techniques to analyze their optical properties. Estimates of a green iceberg’s reflectance spectra are derived from spectrodensitometry and from video digitizing of original color slides. Proxies for polar daylight spectra yield the iceberg’s chromaticities, which agree closely with those predicted by two multiple-scattering theories.

© 1990 Optical Society of America

Full Article  |  PDF Article
More Like This
Colors of snow, frozen waterfalls, and icebergs

Craig F. Bohren
J. Opt. Soc. Am. 73(12) 1646-1652 (1983)

Green’s function of a linear anisotropic dielectric guide with a misaligned optic axis

T. K. Sen, A. Ray, and A. Basuray
J. Opt. Soc. Am. A 7(11) 2075-2080 (1990)

Wavelength discrimination at detection threshold

K. T. Mullen and J. J. Kulikowski
J. Opt. Soc. Am. A 7(4) 733-742 (1990)

Cited By

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Figures (17)

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Equations (8)

You do not have subscription access to this journal. Equations are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Login to access Optica Member Subscription

Select as filters


Select Topics Cancel
© Copyright 2024 | Optica Publishing Group. All Rights Reserved