Estimation of the Periodic Extremes of Minimum Air Temperature Using January Mean of Daily Minimum Air Temperature in Korea

This study was conducted to develop a practical method for estimating the extremes of minimum air temperature with given return-period based on the frequency distribution of daily minimum air temperature in January. Daily temperature data were collected from 61 meteorological observatories country-w...

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Bibliographic Details
Published inKorean Journal of Agricultural and Forest Meteorology Vol. 14; no. 4
Main Authors Moon, K.H., National Institute of Horticultural and Herbal Science, RDA, Jeju, Republic of Korea, Son, I.C., National Institute of Horticultural and Herbal Science, RDA, Jeju, Republic of Korea, Seo, H.H., National Institute of Horticultural and Herbal Science, RDA, Jeju, Republic of Korea, Choi, K.S., National Institute of Horticultural and Herbal Science, RDA, Jeju, Republic of Korea
Format Journal Article
LanguageKorean
Published 01.12.2012
Subjects
Climatic extreme
Daily minimum temperature
Return period
TEMPERATURA
TEMPERATURE
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Summary:This study was conducted to develop a practical method for estimating the extremes of minimum air temperature with given return-period based on the frequency distribution of daily minimum air temperature in January. Daily temperature data were collected from 61 meteorological observatories country-wide from 1961 to 2010. Most of daily minimum temperature in January could be represented by a normal-distribution, so it is possible to predict stochastically the lowest temperature by the mean and standard deviation. We developed a quadratic function to estimate standard deviation in terms of daily minimum temperature in January. Also, we introduced a coefficient which can be used to predict an extreme of minimum temperature with mean and standard deviation, and is dependent on return-periods. Using this method, we were able to reproduce the past 30-year extremes with an error of 1.1 on average and 5.3 in the worst case.
Bibliography:P40
ISSN:1229-5671