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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 42, Iss. 18 — Jun. 20, 2003
  • pp: 3460–3471

Efficient use of an improved radiative transfer code to simulate near-global distributions of satellite-measured radiances

Takashi Y. Nakajima, Hiroshi Murakami, Masahiro Hori, Teruyuki Nakajima, Teruo Aoki, Tomohiko Oishi, and Akihiko Tanaka  »View Author Affiliations


Applied Optics, Vol. 42, Issue 18, pp. 3460-3471 (2003)
http://dx.doi.org/10.1364/AO.42.003460


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Abstract

Two new extension modules that give the water-leaving radiance from the ocean and the snow bidirectional reflectance distribution function were implemented in the latest radiative transfer code. In addition, to simulate the near-global distributions of satellite-measured radiances by using the improved radiative transfer code, we tested and applied the look-up table method together with the process-separation technique of the radiative transfer calculation. The computing time was reduced from 1 year to 20 s to simulate one channel, one scene of the Global Imager image by use of an Alpha 21164A-2 (600-MHz) machine. The error analyses showed that the radiances were simulated with less than 1% error for the nonabsorbing visible channels and ∼2% error for absorbing channels by use of this method.

© 2003 Optical Society of America

OCIS Codes
(010.1310) Atmospheric and oceanic optics : Atmospheric scattering
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors

Citation
Takashi Y. Nakajima, Hiroshi Murakami, Masahiro Hori, Teruyuki Nakajima, Teruo Aoki, Tomohiko Oishi, and Akihiko Tanaka, "Efficient Use of an Improved Radiative Transfer Code to Simulate Near-Global Distributions of Satellite-Measured Radiances," Appl. Opt. 42, 3460-3471 (2003)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-42-18-3460

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