A COMPARISON OF OBSERVATION WITH MODELING FOR ALBEDO AND TRANSMITTANCE OF SNOW
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概要
- 論文の詳細を見る
Snow surface albedo and transmittance inside the snow have been investigated by observation and modeling. Observations were taken by a grating type spectrometer at Tokamachi in March 1993. The observed snow was old and very wet. Microscope photo-graphs of snow grains taken at this time indicate that snow grain is spherical particles with size of about 1.0μm. Surface albedo and transmittance of snow by a multiple scattering model for the atmosphere-snow system with pure snow grain size of 1.0μm have similar wavelength dependence to our observation. Though both the maximum albedo and transmit-tance have been observed at the wavelength 0.55μm, model calculation shows that this wavelength is 0.45μm. Moreover, the observed albedo is lower than the model with a maximum of 10% in visible region. It is considered that these differences are mainly due to impurities and/or liquid water in natural snow.
- 国立極地研究所の論文
著者
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FUKABORI Masashi
Meteorological Research Institute
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AOKI Teruo
Meteorological Research Institute
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AOKI Tadao
Meteorological Research Institute
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Aoki Teruo
Meteorological Res. Inst. Tsukuba
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Seko Katsumoto
Atmospheric And Water Research Institute Nagoya University
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Fukabori M
Meteorological Res. Inst. Ibaraki Jpn
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