남극 세종기지에서 복사 속 및 복사 가열률의 연직 분포
The Vertical Distribution of Radiative Flux and Heating Rate at King Sejong Station in West Antarctica
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Abstract
The vertical profiles of radiative flux and heating rate at King Sejong Station in West Antarctica were calculated with radiative transfer model by Chou and Suarez (1999) and Chou et al. (2001). To run this model, the profiles of temperature, mixing ratios of water vapor and ozone at King Sejong Station were derived from ECMWF Reanalysis data. The surface temperature and albedo were also derived from NCEP/ NCAR Reanalysis and CERES data. The radiative flux strongly depends on the cloud optical path length that was calculated using the measured UV-A data and model by Chou and Lee(1996). During the period of 2000~2001 (12 and 18 UTC), the correlation coefficient between calculated and measured downward solar fluxes at surface was 0.90 and the coefficient for downward longwave flux was 0.61. The calculated net heating rates of surface layer decreased during the same period, the trend of which was in accordance with the decrease of measured temperature.
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