A study of heat balance on the Yukikabe snow patch in the Daisetsu Mountains

Shuhei Takahashi; Atsushi Sato; Renji Naruse

doi:10.5331/seppyo.43.147

Shuhei Takahashi, Atsushi Sato, Renji Naruse

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JOURNAL FREE ACCESS

1981 Volume 43 Issue 3 Pages 147-154

DOI https://doi.org/10.5331/seppyo.43.147

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Published: September 30, 1981 Received: April 28, 1981 Available on J-STAGE: August 07, 2009 Accepted: June 26, 1981 Advance online publication: - Revised: -
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Date of correction: August 07, 2009 Reason for correction: - Correction: ABSTRACT Details: Wrong : Measurements were made on ablation and some meteorological conditions at the Yukikabe snow patch in the daisetsu Mountains in the summer of 1978. The correlation coefficient between the amount of ablation M_w and a degree day index ?? T(sum of daily mean air temperature T) is higher than 0.9 when the period of their summings was taken as more than 5 or 10 days. Evaluation of each term of heat balance showed that the incoming sensible heat, latent heat and long wave radiation increase along with air temperature. The relation M_w ?? ?? T holds well when the temperature is about 10°C or more or when the short wave radiation is around 200 (ly·day^-1). A diagram obtained for the constitution of heat balance terms clearly shows that, due to high air temperature, the main heat source for ablation in the snow patch in Japan is the sensible and latent heat, whereas the main heat source in polar glaciers is the short wave radiation, due to low temperature.
Right : Measurements were made on ablation and some meteorological conditions at the Yukikabe snow patch in the daisetsu Mountains in the summer of 1978. The correlation coefficient between the amount of ablation M_w and a degree day index ?? T(sum of daily mean air temperature T) is higher than 0.9 when the period of their summings was taken as more than 5 or 10 days. Evaluation of each term of heat balance showed that the incoming sensible heat, latent heat and long wave radiation increase along with air temperature. The relation M_w ?? ?? T holds well when the temperature is about 10°C or more or when the short wave radiation is around 200 (ly·day^-1). A diagram obtained for the constitution of heat balance terms clearly shows that, due to high air temperature, the main heat source for ablation in the snow patch in Japan is the sensible and latent heat, whereas the main heat source in polar glaciers is the short wave radiation, due to low temperature.

Abstract

Measurements were made on ablation and some meteorological conditions at the Yukikabe snow patch in the daisetsu Mountains in the summer of 1978. The correlation coefficient between the amount of ablation M_w and a degree day index ?? T(sum of daily mean air temperature T) is higher than 0.9 when the period of their summings was taken as more than 5 or 10 days. Evaluation of each term of heat balance showed that the incoming sensible heat, latent heat and long wave radiation increase along with air temperature. The relation M_w ?? ?? T holds well when the temperature is about 10°C or more or when the short wave radiation is around 200 (ly·day^-1). A diagram obtained for the constitution of heat balance terms clearly shows that, due to high air temperature, the main heat source for ablation in the snow patch in Japan is the sensible and latent heat, whereas the main heat source in polar glaciers is the short wave radiation, due to low temperature.

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