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KMID : 1024520200290101003
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Journal of the Environmental Sciences
2020 Volume.29 No. 10 p.1003 ~ p.1010
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Introduction for the Necessity and Application Example of the Village-based AWS
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Jo Won-Gi
Kang Dong-Hwan
Kim Moon-Su
Shin In-Kyu
Kim Hyun-Koo
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Abstract
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In this study, the necessity for a village unit Automatic Weather System (AWS) was suggested to obtain correct agricultural weather information by comparing the data of AWS of the weather station with the data of AWS installed in agricultural villages 7 km away. The comparison sites are Hyogyo-ri and Hongseong weather station. The seasonal and monthly averaged and cumulative values of data were calculated and compared. The annual time series and correlation was analyzed to determine the tendency of variation in AWS data. The average values of temperature, relative humidity and wind speed were not much different in comparison with each season. The difference in precipitation was ranged from 13.2 to 91.1 mm. The difference in monthly precipitation ranged from 1.2 to 75.4 mm. The correlation coefficient between temperature, humidity and wind speed was ranged from 0.81 to 0.99 and it of temperature was the highest. The correlation coefficient of precipitation was 0.63 and the lowest among the observed elements. Through this study, precipitation at the weather station and village unit area showed the low correlation and the difference for a quantitative comparison, while the elements excluding precipitation showed the high correlation and the similar annual variation pattern.
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KEYWORD
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Automatic weather system, Weather station, Agricultural weather, Precipitation, Correlation analysis
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