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관측지점별 비동질성 회귀모델을 이용한 기온에 대한 확률론적 예측

Probabilistic Forecast of Temperature using Station-Specific Nonhomogeneous Regression Model

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초록

In this paper, we used a nonhomogeneous Gaussian regression model (NGR) as the postprocessing techniques to calibrate probabilistic forecasts that take the form of probability density functions for temperature. We also performed the alternative implementation techniques of NGR, which are stationspecific ensemble model output statistics (EMOS) model. These techniques were applied to forecast temperature over Pyeongchang area using 24-member Ensemble Prediction System for Global (EPSG). The results showed that the station-specific EMOS model performed better than the raw ensemble and EMOS model.

Abstract

In this paper, we used a nonhomogeneous Gaussian regression model (NGR) as the postprocessing techniques to calibrate probabilistic forecasts that take the form of probability density functions for temperature. We also performed the alternative implementation techniques of NGR, which are stationspecific ensemble model output statistics (EMOS) model. These techniques were applied to forecast temperature over Pyeongchang area using 24-member Ensemble Prediction System for Global (EPSG). The results showed that the station-specific EMOS model performed better than the raw ensemble and EMOS model.

참고문헌 (14)

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  6. 한근희, "동질성과 비 동질성 회귀모델을 이용한 평창지역 기온에 대한확률론적 예측", 기후연구, 11(1), pp.87~103 (2016), 기후연구소[DOI]
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