Bidirectional reflectance of oceanic waters

a comparison of modeled and measured upward radiance fields

A. Morel, Kenneth Voss, B. Gentili

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

The bidirectional reflectance of oceanic waters is conveniently described in a normalized way by forming the ratio of the upwelling irradiance Eu to any upwelling radiance Lu(θ′, φ). This ratio, Q[θ′, θ0, (φ0 - φ)], where θ′, φ are the nadir and azimuth angles for the upward radiance and θ0, φ0 are the zenith and azimuth angles of the Sun, has been determined from measurements at sea and computed via Monte Carlo simulations using the inherent optical properties measured in the field and appropriate boundary conditions (clear sky, no wind, varying Sun angle). Experimental and computed Q values are in excellent agreement. -from Authors

Original languageEnglish (US)
JournalJournal of Geophysical Research
Volume100
Issue numberC7
StatePublished - 1995
Externally publishedYes

Fingerprint

bidirectional reflectance
radiance
Sun
azimuth
upwelling
upwelling water
Water
nadir
sun
clear sky
optical property
water
irradiance
boundary condition
Optical properties
Boundary conditions
zenith
sky
boundary conditions
simulation

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Bidirectional reflectance of oceanic waters : a comparison of modeled and measured upward radiance fields. / Morel, A.; Voss, Kenneth; Gentili, B.

In: Journal of Geophysical Research, Vol. 100, No. C7, 1995.

Research output: Contribution to journalArticle

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AB - The bidirectional reflectance of oceanic waters is conveniently described in a normalized way by forming the ratio of the upwelling irradiance Eu to any upwelling radiance Lu(θ′, φ). This ratio, Q[θ′, θ0, (φ0 - φ)], where θ′, φ are the nadir and azimuth angles for the upward radiance and θ0, φ0 are the zenith and azimuth angles of the Sun, has been determined from measurements at sea and computed via Monte Carlo simulations using the inherent optical properties measured in the field and appropriate boundary conditions (clear sky, no wind, varying Sun angle). Experimental and computed Q values are in excellent agreement. -from Authors

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