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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 29 — Oct. 10, 2009
  • pp: 5567–5582

Retrieval of snow physical parameters using a ground-based spectral radiometer

Katsuyuki Kuchiki, Teruo Aoki, Tomonori Tanikawa, and Yuji Kodama  »View Author Affiliations


Applied Optics, Vol. 48, Issue 29, pp. 5567-5582 (2009)
http://dx.doi.org/10.1364/AO.48.005567


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Abstract

A ground-based spectral radiometer system for albedo and flux (GSAF) was developed to retrieve a mass concentration of snow impurities and effective snow grain size automatically. The GSAF measures spectral albedo and diffuse fraction with a single sensor to omit a radiometric calibration. The deviation from an ideal cosine response of the sensor to insolation is precisely corrected. The snow physical parameters can be retrieved with the GSAF even under cloudy conditions, because the effect of illumination conditions on albedo is considered in a retrieval algorithm. Continuous measurements with the GSAF at two snowfields in Hokkaido, Japan, showed the correlations between the retrieved parameters and in situ measurements ( R = 0.595 to 0.940).

© 2009 Optical Society of America

OCIS Codes
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: May 13, 2009
Revised Manuscript: September 7, 2009
Manuscript Accepted: September 14, 2009
Published: October 6, 2009

Citation
Katsuyuki Kuchiki, Teruo Aoki, Tomonori Tanikawa, and Yuji Kodama, "Retrieval of snow physical parameters using a ground-based spectral radiometer," Appl. Opt. 48, 5567-5582 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-29-5567

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